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UWR-12/1250-D12ASTL1

型号：

UWR-12/1250-D12ASTL1

描述：

模拟IC\n[ Analog IC ]

品牌：

ETC[ ETC ]

页数：

8 页

PDF大小：

125 K

下载PDF手册
®
®
INNOVATION and EXCELLENCE  
NEW  
1.5, 1.8 & 2.5 Volt  
Models  
Single Output  
A-Series, UWR Models  
High-Density, 2" x 1"  
1-6 Amp, 9-15 Watt DC/DC's  
A - S E R I E S  
The new 1.5V, 1.8V and 2.5V models in DATEL’s flagship 9-15 Watt A-Series  
can source a continuous 6 Amps. This is the most "low-voltage" current available  
from a standard 1" x 2" package, and these power converters exemplify DATEL’s  
relentless drive to bring you more power/current, from standard packages, without  
compromising reliability or resorting to thermal specmanship.  
Features  
■
1.5/1.8/2.5VOUT models source 6 Amps  
■
■
■
■
■
3.3VOUT models source 4.25 Amps  
5/12/15VOUT models deliver full 15 Watts  
310kHz synchronous-rectifier topologies  
Guaranteed efficiencies to 86%  
By combining a high-frequency (310kHz), high-efficiency (to 88%), synchronous-  
rectifier topology with the newest components and time-tested, fully automated,  
SMT-on-pcb construction, these UWR Models are able to bring you 9-15W (@ up  
to 6A) in the standard 2" x 1" package from which most competitors can only get  
5-10W (@ 3-4A). All UWR’s deliver their full output power over ambient temperature  
ranges from –40°C to as high as +70°C (model and input voltage dependent) without  
heat sinks or supplemental forced-air cooling. Devices derate to +100°C.  
Output voltages are 1.5, 1.8, 2.5, 3.3, 5, 12 or 15 Volts. Input voltage ranges  
are 10-18V ("D12" models), 18-36V ("D24" models) or 36-75V ("D48") models. All  
models feature input pi filters, input undervoltage and overvoltage lockout, input  
reverse-polarity protection, output overvoltage protection, output current limiting, and  
continuous short-circuit protection. On/off control, sync, and output-trim functions are  
optional (see Optional Functions). All models are certified to IEC950, UL1950 and  
EN60950 safety requirements for OPERATIONAL insulation. "D48" models (36-75V  
inputs) are CE marked.  
Choice of 3 input voltage ranges:  
10-18V, 18-36V, 36-75V  
■
■
■
■
■
■
■
–40 to +60/70°C ambient w/o derating  
Fully isolated (1500Vdc); I/O protected  
UL1950/EN60950 certified  
CE mark (75VIN models)  
Standard 2" x 1" packages and pinouts  
Optional VOUT trim, sync, on/off control  
Pin compatible with Lucent LC/LW Series  
UWR 9-15W DC/DC’s are packaged in low-cost, light-weight, diallyl phthalate  
(UL94V-0 rated) plastic packages with standoffs. EMC compliance is achieved via a  
low-noise design rather than through expensive metal shielding.  
+VIN  
+VOUT  
SWITCH  
CONTROL  
–VOUT  
–VIN  
PWM  
CONTROLLER  
OPTO  
ISOLATION  
REFERENCE &  
ERROR AMP  
TRIM  
(OPTIONAL)  
UVLO & OVLO  
COMPARATORS  
ON/OFF  
CONTROL  
OR SYNC  
1.5, 1.8, 2.5, 3.3V and 5V-output models use the synchronous-rectifier configuration shown above.  
12V and 15V-output models employ a standard forward architecture.  
(OPTIONAL)  
Figure 1. Simplified Schematic  
DATEL, Inc., Mansfield, MA 02048 (USA)  
·
Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356 · Email: sales@datel.com · Internet: www.datel.com  
A Series  
9 - 1 5 W , S I N G L E O U T P U T D C / D C C O N V E R T E R S  
■
Performance Specifications and Ordering Guide  
Output  
Input  
Package  
(Case,  
Pinout)  
■
R/N (mVp-p)  
Regulation (Max.)  
Efficiency  
VIN Nom.  
(Volts)  
Range  
(Volts)  
IIN ■  
(mA)  
VOUT  
(Volts)  
IOUT  
(mA)  
Model  
Typ.  
Max.  
Line  
Load ■  
Min.  
Typ.  
UWR-1.5/6000-D12A  
UWR-1.5/6000-D24A  
UWR-1.5/6000-D48A  
UWR-1.8/6000-D12A  
UWR-1.8/6000-D24A  
UWR-1.8/6000-D48A  
UWR-2.5/6000-D12A  
UWR-2.5/6000-D24A  
UWR-2.5/6000-D48A  
UWR-3.3/4250-D12A  
UWR-3.3/4250-D24A  
UWR-3.3/4250-D48A  
UWR-5/3000-D12A  
UWR-5/3000-D24A  
UWR-5/3000-D48A  
UWR-12/1250-D12A  
UWR-12/1250-D24A  
UWR-12/1250-D48A  
UWR-15/1000-D12A  
UWR-15/1000-D24A  
UWR-15/1000-D48A  
1.5  
1.5  
1.5  
1.8  
1.8  
1.8  
2.5  
2.5  
2.5  
3.3  
3.3  
3.3  
5
6000  
6000  
6000  
6000  
6000  
6000  
6000  
6000  
6000  
4250  
4250  
4250  
3000  
3000  
3000  
1250  
1250  
1250  
1000  
1000  
1000  
45  
45  
45  
50  
50  
50  
60  
60  
60  
85  
85  
85  
85  
85  
85  
85  
85  
85  
85  
85  
85  
65  
65  
0.2ꢀ  
0.2ꢀ  
0.2ꢀ  
0.2ꢀ  
0.2ꢀ  
0.2ꢀ  
0.2ꢀ  
0.2ꢀ  
0.2ꢀ  
0.2ꢀ  
0.2ꢀ  
0.2ꢀ  
0.2ꢀ  
0.2ꢀ  
0.2ꢀ  
0.2ꢀ  
0.2ꢀ  
0.2ꢀ  
0.2ꢀ  
0.2ꢀ  
0.2ꢀ  
0.3ꢀ  
0.3ꢀ  
0.3ꢀ  
0.3ꢀ  
0.3ꢀ  
0.3ꢀ  
0.3ꢀ  
0.3ꢀ  
0.3ꢀ  
0.5ꢀ  
0.5ꢀ  
0.5ꢀ  
0.3ꢀ  
0.3ꢀ  
0.3ꢀ  
0.3ꢀ  
0.3ꢀ  
0.3ꢀ  
0.3ꢀ  
0.3ꢀ  
0.3ꢀ  
12  
24  
48  
12  
24  
48  
12  
24  
48  
12  
24  
48  
12  
24  
48  
12  
24  
48  
12  
24  
48  
10-18  
18-36  
36-75  
10-18  
18-36  
36-75  
10-18  
18-36  
36-75  
10-18  
18-36  
36-75  
10-18  
18-36  
36-75  
10-18  
18-36  
36-75  
10-18  
18-36  
36-75  
85/914  
50/454  
40/226  
85/1084  
50/539  
40/268  
80/1489  
45/740  
35/367  
80/1375  
45/672  
35/336  
110/1471  
55/710  
35/355  
20/1471  
20/718  
20/359  
20/1471  
20/718  
20/359  
TBD  
TBD  
82ꢀ  
82.5ꢀ  
83ꢀ  
83ꢀ  
83.5ꢀ  
84ꢀ  
84ꢀ  
84.5ꢀ  
85ꢀ  
85ꢀ  
87ꢀ  
87ꢀ  
85ꢀ  
88ꢀ  
88ꢀ  
85ꢀ  
87ꢀ  
87ꢀ  
85ꢀ  
87ꢀ  
87ꢀ  
C14, P22  
C14, P22  
C14, P22  
C14, P22  
C14, P22  
C14, P22  
C14, P22  
C14, P22  
C14, P22  
C14, P22  
C14, P22  
C14, P22  
C14, P22  
C14, P22  
C14, P22  
C14, P22  
C14, P22  
C14, P22  
C14, P22  
C14, P22  
C14, P22  
65  
TBD  
70  
TBD  
70  
TBD  
70  
TBD  
80  
TBD  
80  
TBD  
80  
TBD  
100  
100  
100  
100  
100  
100  
100  
100  
100  
100  
100  
100  
83ꢀ  
84.5ꢀ  
85ꢀ  
83ꢀ  
5
85.5ꢀ  
85.5ꢀ  
82.5ꢀ  
85ꢀ  
5
12  
12  
12  
15  
15  
15  
85ꢀ  
82.5ꢀ  
85ꢀ  
85ꢀ  
■ Typical at TA = +25°C under nominal line voltage and full-load conditions, unless otherwise noted.  
■ Ripple/Noise (R/N) is tested/speciifed over a 20MHz bandwidth. All models are specified with two  
external 0.47µF multi-layer ceramic capacitors installed across their output pins.  
■ Load regulation is specified over 10ꢀ-100ꢀ load conditions. 1.5-5V models are stable and  
regulate under no-load conditions. 12/15V models have minimum loading requirements.  
See Performance/Functional Specifications.  
■ Nominal line voltage, no-load/full-load conditions.  
M E C H A N I C A L S P E C I F I C A T I O N S  
P A R T N U M B E R S T R U C T U R E  
U WR - 5 / 3000 - D48 A CT LX  
2.00  
(50.80)  
PLASTIC CASE  
Output Configuration:  
U = Unipolar  
Pin Length Option:  
L1 = 0.110"  
L2 = 0.145"  
0.49  
Case C14  
(12.45)  
Wide Range Input  
STANDOFF  
0.020 (0.51)  
Optional Functions  
See Below  
0.040 0.002 DIA.  
(1.016 0.051)  
Nominal Output Voltage:  
1.5, 1.8, 2.5, 3.3, 5, 12 or 15 Volts  
0.20 MIN  
(5.08)  
A-Series  
High Reliability  
0.60  
(15.24)  
0.800  
(20.32)  
Maximum Output Current  
in mA  
Input Voltage Range:  
0.100  
(2.54)  
D12 = 10-18 Volts (12V nominal)  
D24 = 18-36 Volts (24V nominal)  
D48 = 36-75 Volts (48V nominal)  
4
5
1
2
0.800  
1.00  
(25.40)  
(20.32)  
0.400  
(10.16)  
Optional Functions  
6
3
T
Trim function on pin 5. No pin 3.  
On/Off Control function (positive polarity) on pin 3. No pin 5.  
BOTTOM VIEW  
0.200  
(5.08)  
C
0.10  
DIMENSION ARE IN INCHES (MM)  
(2.54)  
CT On/Off Control function (positive polarity) on pin 3. Trim function on pin 5.  
L1 Pin length: 0.110 in. (2.79mm) 0.010  
I/O Connections  
Pin Function P22  
L2 Pin length: 0.145 in. (3.68mm) 0.010  
N
On/Off Control function (negative polarity) on pin 3. No pin 5.  
NT On/Off Control function (negative polarity) on pin 3. Trim function on pin 5.  
Sync function on pin 3. No pin 5.  
1
2
3
4
5
6
+Input  
–Input  
On/Off Control*  
+Output  
* Pins 3 and 5 are optional.  
S
See Optional Functions and  
Technical Notes for details.  
ST Sync function on pin 3. Trim function on pin 5.  
Blank -- No Trim function. No On/Off Control function.  
Trim*  
Common  
2
UWR Models  
9 - 1 5 W , S I N G L E O U T P U T D C / D C C O N V E R T E R S  
Performance/Functional Specifications  
Typical @ TA = +25°C under nominal line voltage and full-load conditions, unless noted. ■■  
Dynamic Characteristics  
Transient Response (50ꢀ load step)  
200µsec max. to 1.5ꢀ of final value  
Start-Up Time: ■  
VIN to VOUT  
Input  
50msec  
30msec  
Input Voltage Range:  
On/Off to VOUT  
D12A Models  
D24A Models  
D48A Models  
10-18 Volts (12V nominal)  
18-36 Volts (24V nominal)  
36-75 Volts (48V nominal)  
Switching Frequency  
310kHz ( 30kHz)  
Environmental  
Overvoltage Shutdown:  
D12A Models  
Operating Temperature (Ambient):  
Without Derating ■  
With Derating  
18.5-21 Volts (20V typical)  
37-40 Volts (38V typical)  
77-81 Volts (78.5V typical)  
–40 to +60/70°C  
D24A Models  
to +100°C (See Derating Curves)  
D48A Models  
Case Temperature:  
Start-Up Threshold: ■  
D12A Models  
Maximum Allowable  
+100°C  
9.4-9.8 Volts (9.6V typical)  
16.5-18 Volts (17V typical)  
34-36 Volts (35V typical)  
Storage Temperature  
–40 to +105°C  
D24A Models  
Physical  
D48A Models  
Dimensions  
Shielding  
2" x 1" x 0.49" (51 x 25 x 12.45mm)  
None  
Undervoltage Shutdown: ■  
D12A Models  
7.5-8.5 Volts (8V typical)  
16-17 Volts (16.5V typical)  
32.5-35.5 Volts (34V typical)  
D24A Models  
Case Material  
Pin Material  
Weight  
Diallyl phthalate, UL94V-0 rated  
Brass, solder coated  
D48A Models  
Input Current:  
1.4 ounces (39.7 grams)  
Normal Operating Conditions  
Standby Mode (Off, OV, UV)  
See Ordering Guide  
5mA  
■ All models are specified with two external 0.47µF multi-layer ceramic capacitors installed  
across their output pins.  
Input Filter Type  
Pi  
■ See Minimum Output Loading Requirements under Technical Notes.  
■ See Technical Notes for details.  
■ The On/Off Control, Sync and Trim functions are optional and must be installed by DATEL.  
See Optional Functions or contact DATEL for details.  
Reverse-Polarity Protection  
Brief duration, 10A maximum  
On/Off Control (Optional, Pin 3): ■ ■  
D12AC, D24AC, & D48AC Models  
On = open or 13V - +VIN, IIN = 50µA max.  
Off = 0-0.8V, IIN = 1mA max.  
■ The On/Off Control is designed to be driven with open-collector logic or the application of  
appropriate voltages (referenced to –Input (Pin 2)). Applying a voltage to the On/Off Control  
pin when no input voltage is applied to the converter may cause permanent damage.  
See Technical Notes.  
D12AN, D24AN, & D48AN Models  
On = 0-0.8V, IIN = 2.6mA max.  
Off = open or 3.3-5.5V, IIN = 1mA max.  
Sync (Optional, Pin 3) ■ ■  
Input Threshold (Rising edge active)  
Input Voltage Low  
■ Output noise maybe further reduced with the addition of additional external output  
capacitors. See Technical Notes.  
1-2.7 Volts  
0-0.9 Volts  
2.8-5 Volts  
35kΩ minimum  
3.5-4.8 Volts  
35mA  
■ Operating temperature range without derating is model and input-voltage dependent.  
See Temperature Derating.  
Input Voltage High  
Input Resistance  
Output High Voltage (100µA load)  
Output Drive Current  
Absolute Maximum Ratings  
Input/Output Pulse Width  
160-360nsec  
Input Voltage:  
Continuous:  
Output  
D12 Models  
D24 Models  
D48 Models  
22 Volts  
44 Volts  
88 Volts  
VOUT Accuracy (50ꢀ load):  
1.5V/1.8V/2.5V/3.3V Outputs  
5/12/15V Outputs  
1.5ꢀ, maximum  
1ꢀ, maximum  
Transient (100msec):  
D12 Models  
D24 Models  
50 Volts  
50 Volts  
100 Volts  
Minimum Loading for Specification: ■  
1.5V/1.8V/2.5V/3.3V/5V Outputs  
12V/15V Outputs  
No load  
D48 Models  
10ꢀ of IOUT max.  
Input Reverse-Polarity Protection  
Current must be <10 Amps. Brief  
duration only. Fusing recommended.  
Minimum Loading for Stability: ■  
1.5V/1.8V/2.5V/3.3V/5V Outputs  
12V/15V Outputs  
No load  
25mA  
Output Overvoltage Protection:  
1.5/1.8V Outputs  
2.5V/3.3V Outputs  
TBD/TBD Volts, unlimited duration  
TBD/4.5 Volts, unlimited duration  
6.8/15/18 Volts, unlimited duration  
Ripple/Noise (20MHz BW) ■ ■  
Line/Load Regulation  
Efficiency  
See Ordering Guide  
See Ordering Guide  
See Ordering Guide  
5V/12V/15V Outputs  
Output Current  
Current limited. Devices can  
withstand sustained output short  
circuits without damage.  
Isolation Voltage:  
Input-to-Output  
1500Vdc minimum  
470pF  
Case Temperature  
+100°C  
Isolation Capacitance  
Isolation Resistance  
Storage Temperature  
–40 to +105°C  
+300°C  
100MΩ  
Lead Temperature (soldering, 10 sec.)  
Current Limiting:  
1.5V/1.8V/2.5V/3.3V/5V Outputs  
12V/15V Outputs  
Hiccup technique, auto-recovery  
These are stress ratings. Exposure of devices to any of these conditions may adversely  
affect long-term reliability. Proper operation under conditions other than those listed in the  
Performance/Functional Specifications Table is not implied.  
Power-limiting technique, auto-recovery  
Overvoltage Protection  
Temperature Coefficient  
Zener/transorb clamp, magnetic feedback  
0.04ꢀ per °C.  
3
A Series  
9 - 1 5 W , S I N G L E O U T P U T D C / D C C O N V E R T E R S  
Trim adjustment greater than 5ꢀ can have an adverse effect on the convert-  
er's performance and is not recommended.  
T E C H N I C A L N O T E S  
Floating Outputs  
4
1
2
3
+OUTPUT  
TRIM  
Since these are isolated DC/DC converters, their outputs are "floating."  
Designers will usually use the output Common (pin 6) as the ground/return of  
the load circuit.You can, however, use the +Output (pin 4) as ground/return to  
effectively reverse the output polarity.  
+INPUT  
–INPUT  
5
6
20kΩ  
5-22  
LOAD  
Turns  
Minimum Output Loading Requirements  
ON/OFF  
CONTROL  
COMMON  
1.5-5V models employ a synchronous-rectifier design topology. All models  
regulate within spec and are stable under no-load conditions. 12/15V models  
employ a traditional forward architecture and require 10ꢀ loading (125mA for  
12V models, 100mA for 15V models) to achieve their listed regulation specs.  
12/15V models also have a minimum-load-for-stability requirement (25mA).  
For 12/15V models, operation between 25mA and 10ꢀ loading will result  
in stable operation but regulation may degrade. Operation under no-load  
conditions will not damage the 12/15V devices; however they may not meet  
all listed specifications.  
Figure 2.Trim Connections Using A Trim Pot  
4
1
2
3
+OUTPUT  
+INPUT  
RTRIM DOWN  
5
6
–INPUT  
TRIM  
LOAD  
ON/OFF  
CONTROL  
Filtering and Noise Reduction  
COMMON  
All A-Series UWR 9-15 Watt DC/DC Converters achieve their rated ripple and  
noise specifications using the external input and output capacitors specified  
in the Performance/Functional Specifications table. In critical applications,  
input/output noise may be further reduced by installing additional external I/O  
caps. Input capacitors should be selected for bulk capacitance, low ESR and  
high rms-ripple-current ratings. Output capacitors should be selected for low  
ESR and appropriate frequency response. All caps should have appropriate  
voltage ratings and be mounted as close to the converters as possible.  
Figure 3.Trim Connections To Decrease Output Voltage Using Fixed Resistors  
4
1
2
3
+OUTPUT  
TRIM  
+INPUT  
–INPUT  
5
6
LOAD  
The most effective combination of external I/O capacitors will be a function  
of your particular load and layout conditions. Our Applications Engineers will  
be happy to recommend potential solutions and can discuss the possibility of  
our modifying a given device’s internal filtering to meet your specific require-  
ments. Contact our Applications Engineering Group for additional details.  
RTRIM UP  
ON/OFF  
CONTROL  
COMMON  
Figure 4.Trim Connections To Increase Output Voltage Using Fixed Resistors  
Input Fusing  
Model  
Trim Equation  
Certain applications and/or safety agencies may require the installation of  
fuses at the inputs of power conversion components. Fuses should also be  
used if the possibility of sustained, non-current-limited, input-voltage polarity  
reversals exists. For DATEL A-Series UWR 9-15 Watt DC/DC Converters, you  
should use slow-blow type fuses with values no greater than the following.  
2.49(VO – 1.27)  
3.3 – VO  
–16.9  
–15  
RTDOWN (kΩ) =  
UWR-3.3/4250-D12A  
UWR-3.3/4250-D24A  
UWR-3.3/4250-D48A  
3.16  
–16.9  
RTUP (kΩ) =  
VO – 3.3  
2.49(VO – 2.527)  
5 – VO  
VIN Range  
Fuse Value  
RTDOWN (kΩ) =  
RTUP (kΩ) =  
UWR-5/3000-D12A  
UWR-5/3000-D24A  
UWR-5/3000-D48A  
"D12A" Models  
"D24A" Models  
"D48A" Models  
3 Amps  
2 Amps  
1 Amp  
6.292  
–15  
VO – 5  
6.34(VO – 5.714)  
12 – VO  
–49.9  
–63.4  
RTDOWN (kΩ) =  
RTUP (kΩ) =  
RTDOWN (kΩ) =  
RTUP (kΩ) =  
UWR-12/1250-D12A  
UWR-12/1250-D24A  
UWR-12/1250-D48A  
Trimming Output Voltages  
36.23  
These converters have a trim capability (pin 5) that allows users to adjust the  
output voltage 5ꢀ. Adjustments to the output voltage can be accomplished  
via a trim pot, Figure 2, or a single fixed resistor as shown in Figures 3 and 4.  
A single fixed resistor can increase or decrease the output voltage depending  
on its connection. Fixed resistors should have an absolute TCR less than  
100ppm/°C to minimize sensitivity to changes in temperature.  
–49.9  
VO – 12  
7.87(VO – 7.136)  
15 – VO  
UWR-15/1000-D12A  
UWR-15/1000-D24A  
UWR-15/1000-D48A  
56.16  
–63.4  
VO – 15  
A single resistor connected from the Trim (pin 5) to the +Output (pin 4), see  
Figure 3, will decrease the output voltage. A resistor connected from the Trim  
(pin 5) to Output Common (pin 6) will increase the output voltage.  
Accuracy of adjustment is subject to tolerances or resistor values  
and factory-adjusted output accuracy. VO = desired output voltage.  
4
UWR Models  
9 - 1 5 W , S I N G L E O U T P U T D C / D C C O N V E R T E R S  
D24A Temperature Derating Curves for 5V, 12V and 15V Output Models  
Start-Up Threshold and Undervoltage Shutdown  
15.0  
13.5  
12.0  
10.5  
9.0  
7.5  
6.0  
4.5  
3
Under normal start-up conditions, devices will not begin to regulate until the  
ramping-up input voltage exceeds the Start-Up Threshold Voltage (35V for  
"D48A" models). Once operating, devices will not turn off until the input volt-  
age drops below the Undervoltage Shutdown/Lockout limit (34V for "D48A"  
models). Subsequent re-start will not occur until the input is brought back  
up to the Start-Up Threshold. This built-in hysteresis obviously avoids any  
indeterminate on/off situations at a single voltage.  
VIN = 18V-27V  
VIN = 18V-30V  
VIN = 18V-36V  
Start-Up Time  
The VIN to VOUT Start-Up Time is the interval between the time at which  
a ramping input voltage crosses the turn-on threshold point and the fully-  
loaded output voltage enters and remains within its specified accuracy band.  
Actual measured times will vary with input source impedance, external input  
capacitance, and the slew rate and final value of the input voltage as it  
appears to the converter.  
1.5  
0
–40  
0
40  
45  
50  
55  
60  
65  
70  
75  
80  
85  
90  
95  
100  
Ambient Temperature (°C)  
The On/Off to VOUT Start-Up Time assumes the converter is turned off via  
the On/Off Control with the nominal input voltage already applied to the  
converter. The specification defines the interval between the time at which the  
converter is turned on and the fully-loaded output voltage enters and remains  
within its specified accuracy band.  
D24A and D48A Temperature Derating Curves for 3.3V Output Models  
14  
12  
10  
8
VIN = 18V-27V (D24A)  
VIN = 36V-48V (D48A)  
VIN = 18V-30V (D24A)  
VIN = 36V-60V (D48A)  
T E M P E R A T U R E D E R A T I N G  
VIN = 18V-36V (D24A)  
VIN = 36V-75V (D48A)  
The thermal performance of A-Series UWR 15 Watt DC/DC Converters is  
depicted in the derating curves shown below. All devices, when operated at  
full load, in still ambient air, over their full specified input voltage range, can  
safely operate to +60°C. All models, other than the D12A models (10-18 Volt  
input range), can operate at higher ambient temperatures if the input range  
is narrowed. For example, model UWR-5/3000-D48A can operate safely to  
+70°C if the input range is kept between 36 and 48 Volts. Contact DATEL's  
Applications Engineering Group if you need additional details.  
6
4
2
0
–40  
0
40  
45  
50  
55  
60  
65  
70  
75  
80  
85  
90  
95  
100  
Ambient Temperature (°C)  
D12A (10-18V) Temperature Derating Curves  
D48A Temperature Derating Curves for 5V, 12V and 15V Output Models  
15.0  
13.5  
12.0  
10.5  
9.0  
7.5  
6.0  
4.5  
3
15.0  
VIN = 36V-48V  
13.5  
VOUT = 5V, 12V and 15V  
12.0  
10.5  
9.0  
VIN = 36V-60V  
7.5  
VOUT = 3.3V  
VIN = 36V-75V  
6.0  
4.5  
3
1.5  
0
1.5  
0
–40  
0
40  
45  
50  
55  
60  
65  
70  
75  
80  
85  
90  
95  
100  
–40  
0
40  
45  
50  
55  
60  
65  
70  
75  
80  
85  
90  
95  
100  
Ambient Temperature (°C)  
Ambient Temperature (°C)  
5
A Series  
9 - 1 5 W , S I N G L E O U T P U T D C / D C C O N V E R T E R S  
E F F I C I E N C Y V S . L I N E A N D L O A D  
UWR-3.3/4250-D12A Efficiency vs. Line and Load  
UWR-5/3000-D12A Efficiency vs. Line and Load  
90  
90  
85  
80  
75  
85  
80  
75  
V
IN = 10V  
70  
65  
60  
55  
50  
45  
40  
V
IN = 10V  
70  
65  
60  
55  
50  
45  
V
IN = 12V  
V
IN = 12V  
V
IN = 18V  
V
IN = 18V  
0.4  
0.9  
1.4  
1.8  
2.3  
2.8  
3.3  
3.8  
4.3  
0.3  
0.6  
1.0  
1.3  
1.7  
2
2.3  
2.7  
3
Load Current (Amps)  
Load Current (Amps)  
UWR-5/3000-D24A Efficiency vs. Line and Load  
UWR-3.3/4250-D24A Efficiency vs. Line and Load  
90  
85  
80  
75  
70  
65  
60  
55  
50  
45  
40  
90  
85  
80  
75  
70  
65  
60  
55  
50  
45  
V
IN = 18V  
V
IN = 18V  
V
IN = 24V  
V
IN = 24V  
V
IN = 36V  
V
IN = 36V  
0.3  
0.6  
1.0  
1.3  
1.7  
2
2.3  
2.7  
3
0.4  
0.9  
1.4  
1.8  
2.3  
2.8  
3.3  
3.8  
4.3  
Load Current (Amps)  
Load Current (Amps)  
UWR-3.3/4250-D48A Efficiency vs. Line and Load  
UWR-5/3000-D48A Efficiency vs. Line and Load  
90  
85  
80  
75  
70  
65  
60  
55  
50  
45  
90  
85  
80  
75  
70  
65  
60  
55  
50  
45  
40  
V
IN = 36V  
V
IN = 36V  
V
IN = 48V  
V
IN = 48V  
V
IN = 75V  
V
IN = 75V  
0.4  
0.9  
1.4  
1.8  
2.3  
2.8  
3.3  
3.8  
4.3  
0.3  
0.6  
1.0  
1.3  
1.7  
2
2.3  
2.7  
3
Load Current (Amps)  
Load Current (Amps)  
6
UWR Models  
9 - 1 5 W , S I N G L E O U T P U T D C / D C C O N V E R T E R S  
E F F I C I E N C Y V S . L I N E A N D L O A D  
UWR-15/1000-D12A Efficiency vs. Line and Load  
UWR-12/1250-D12A Efficiency vs. Line and Load  
90  
85  
80  
75  
70  
65  
60  
55  
90  
85  
80  
75  
V
IN = 10V  
V
IN = 10V  
70  
65  
60  
55  
50  
V
IN = 12V  
V
IN = 12V  
V
IN = 18V  
V
IN = 18V  
0.1  
0.2  
0.3  
0.4  
0.6  
0.7  
0.8  
0.9  
0.9  
0.9  
1
1
1
0.1  
0.2  
0.4  
0.5  
0.7  
0.8  
1.0  
1.1  
1.1  
1.1  
1.3  
1.3  
1.3  
Load Current (Amps)  
Load Current (Amps)  
UWR-12/1250-D24A Efficiency vs. Line and Load  
UWR-15/1000-D24A Efficiency vs. Line and Load  
90  
85  
80  
75  
70  
65  
60  
55  
50  
90  
85  
80  
75  
70  
65  
60  
55  
V
IN = 18V  
V
IN = 18V  
V
IN = 24V  
V
IN = 24V  
V
IN = 36V  
V
IN = 36V  
0.1  
0.2  
0.3  
0.4  
0.6  
0.7  
0.8  
0.1  
0.2  
0.4  
0.5  
0.7  
0.8  
1.0  
Load Current (Amps)  
Load Current (Amps)  
UWR-12/1250-D48A Efficiency vs. Line and Load  
UWR-15/1000-D48A Efficiency vs. Line and Load  
90  
85  
80  
75  
70  
65  
60  
55  
50  
90  
85  
80  
75  
70  
65  
60  
55  
V
IN = 36V  
V
IN = 36V  
V
IN = 48V  
V
IN = 48V  
V
IN = 75V  
V
IN = 75V  
0.1  
0.2  
0.3  
0.4  
0.6  
0.7  
0.8  
0.1  
0.2  
0.4  
0.5  
0.7  
0.8  
1.0  
Load Current (Amps)  
Load Current (Amps)  
7
A Series  
9 - 1 5 W , S I N G L E O U T P U T D C / D C C O N V E R T E R S  
Typical Performance Curves  
Output Ripple and Noise (PARD)  
(VIN = nominal, 3.3V @ 4.25A, two external 0.47µF output capacitors.)  
Output Ripple and Noise (PARD)  
(VIN = nominal, 12V @ 1.25A, two external 0.47µF output capacitors.)  
20mV/div, 20MHz BW  
20mV/div, 20MHz BW  
Output Ripple and Noise (PARD)  
(VIN = nominal, 5V @ 3A, two external 0.47µF output capacitors.)  
Output Ripple and Noise (PARD)  
(VIN = nominal, 15V @ 1A, two external 0.47µF output capacitors.)  
20mV/div, 20MHz BW  
20mV/div, 20MHz BW  
®
®
INNOVATION and EXCELLENCE  
DS-0426B  
9/01  
ISO-9001 REGISTERED  
DATEL (UK) LTD. Tadley, England Tel: (01256)-880444  
DATEL, Inc. 11 Cabot Boulevard, Mansfield, MA 02048-1151  
Tel: (508) 339-3000 (800) 233-2765 Fax: (508) 339-6356  
DATEL S.A.R.L. Montigny Le Bretonneux, France Tel: 01-34-60-01-01  
DATEL GmbH München, Germany Tel: 89-544334-0  
DATEL KK Tokyo, Japan Tel: 3-3779-1031, Osaka Tel: 6-6354-2025  
Internet: www.datel.com  
Email: sales@datel.com  
Data Sheet Fax Back: (508) 261-2857  
DATEL makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights.The descriptions contained herein do  
not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without notice. The DATEL logo is a registered DATEL, Inc. trademark.  
8
厂商 型号 描述 页数 下载

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