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UZ2085

型号:

UZ2085

描述:

3A可调式/固定式低压降线性稳压器[ 3A ADJUSTABLE/FIXED LOW DROPOUT LINEAR REGULATOR ]

品牌:

UTC[ Unisonic Technologies ]

页数:

7 页

PDF大小:

285 K

UNISONIC TECHNOLOGIES CO., LTD  
UZ2085  
LINEAR INTEGRATED CIRCUIT  
3A ADJUSTABLE/FIXED LOW  
DROPOUT LINEAR REGULATOR  
„
DESCRIPTION  
1
The UTC UZ2085-xx series are low dropout three-terminal  
TO-252  
regulators with 3A output current capability. These devices have been  
optimized for low voltage applications including VTT bus termination in  
which transient response and minimum input voltage are critical.  
Current limit is trimmed to ensure specified output current and  
controlled short-circuit current. On-chip thermal limitation provides  
protection against any combination of overload and ambient  
temperature that would create excessive junction temperature.  
„
FEATURES  
* Fast transient response  
* Low dropout voltage at up to 3A  
* Load regulation: 0.05% typical  
* Trimmed current limit  
* On-chip thermal limiting  
* Ultra low current consumption (0.35mA typ.)  
* Ultra low Adjustment Current (7μA typ.)  
* Ultra low minimum Load (0.3mA typ.)  
* Stable with low ESR ceramic output capacitor (MLCC)  
„
ORDERING INFORMATION  
Ordering Number  
Pin Assignment  
Packing  
Package  
Lead Free  
Halogen Free  
1
2
3
I
UZ2085L-xx-TN3-R  
UZ2085L-xx-TN3-T  
UZ2085G-xx-TN3-R  
UZ2085G-xx-TN3-T  
TO-252  
TO-252  
A/G  
A/G  
O
O
Tape Reel  
Tube  
I
Note: 1. xx: Output Voltage, refer to Marking Information.  
2. A: ADJ (for adjustable regulator), G: GND (for fixed regulator), O: VOUT, I: VIN  
www.unisonic.com.tw  
1 of 6  
Copyright © 2012 Unisonic Technologies Co., Ltd  
QW-R102-043.F  
UZ2085  
LINEAR INTEGRATED CIRCUIT  
„
MARKING INFORMATION  
PACKAGE  
VOLTAGE CODE  
MARKING  
50:5.0V  
AD:ADJ  
TO-252  
„
BLOCK DIAGRAM  
UNISONIC TECHNOLOGIES CO., LTD  
2 of 7  
QW-R102-043.F  
www.unisonic.com.tw  
UZ2085  
LINEAR INTEGRATED CIRCUIT  
„
ABSOLUTE MAXIMUM RATINGS  
PARAMETER  
SYMBOL  
VIN  
RATINGS  
18  
UNIT  
V
Input Voltage  
Power Dissipation  
PD  
Internally Limited  
+150  
W
Junction Temperature  
Operating Temperature  
Storage Temperature  
TJ  
°C  
°C  
°C  
TOPR  
TSTG  
-20 ~ +85  
-40 ~ +150  
Note:1 Absolute maximum ratings are those values beyond which the device could be permanently damaged.  
Absolute maximum ratings are stress ratings only and functional device operation is not implied.  
„
THERMAL DATA  
PARAMETER  
SYMBOL  
θJA  
RATINGS  
118  
UNIT  
°C/W  
°C/W  
Junction to Ambient  
Junction to Case  
θJC  
12  
„
ELECTRICAL CHARACTERISTICS (TA=25°C, COUT=22μF, unless otherwise specified.)  
For UZ2085-ADJ (Adjustable)  
PARAMETER  
SYMBOL  
VREF  
TEST CONDITIONS  
1.5V(VIN - VOUT) 8.25V  
10mAIOUT3A  
MIN. TYP. MAX. UNIT  
Reference Voltage  
1.225 1.25 1.275  
V
Line Regulation  
ΔVOUT (VOUT +1.5V)VIN 12V, IOUT=10mA  
ΔVOUT (VIN -VOUT)=3V, 10mA IOUT 3A  
0.005  
0.05  
1.2  
5.8  
7
0.2  
0.5  
%
%
Load Regulation  
Dropout Voltage  
VD  
ΔVREF%=1%, lOUT=3A  
1.40  
V
Current Limit  
ILIMIT (VIN-VOUT)=2V  
3.1  
75  
A
Adjust Pin Current  
Adjust Pin Current Change  
Minimum Load Current  
Ripple Rejection  
IADJ  
10  
2
μA  
μA  
mA  
dB  
ΔIADJ (VOUT +1.5V)VIN12V, 10mA IOUT 3A  
IO(MIN) (VOUT +1.5V) VIN 12V  
0.3  
0.3  
1
RR  
f=120Hz,Tantalum,(VIN-VOUT)=3V IOUT=3A  
TA=25°C,30ms pulse  
Thermal Regulation  
Temperature Stability  
Long-Term Stability  
0.004 0.02 %/W  
ΔVOUT  
0.5  
0.03  
0.003  
150  
%
%
%
°C  
ΔVOUT TA =125°C, 1000hr  
1.0  
Output Noise(% of VOUT  
Thermal Shutdown  
)
eN  
TA =25°C,10Hz f 10kHz  
For UZ2085-xx (Fixed Voltage)  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
MIN. TYP. MAX. UNIT  
Output Voltage  
Line Regulation  
Load Regulation  
Dropout Voltage  
Current Limit  
UZ1085-50  
VOUT 6.5VVIN 12V, 10mAIOUT 3A  
ΔVOUT (VOUT +1.5V)VIN 12V, IOUT=10mA  
ΔVOUT (VIN -VOUT)=3V, 10Ma IOUT 3A  
4.9  
5.0  
0.005  
0.05  
1.2  
5.1  
0.2  
V
%
0.5  
%
VD  
ΔVREF%=1%, lOUT=3A  
1.40  
V
ILIMIT (VIN-VOUT)=2V  
3.1  
5.8  
A
Minimum Load Current  
Quiescent Current  
Ripple Rejection  
IO(MIN) (VOUT +1.5V) VIN 12V  
1
mA  
mA  
dB  
IQ  
VIN=12V  
0.35  
0.5  
RR  
f=120Hz, Tantalum,(VIN -VOUT)=3V,IOUT=3A 75  
TA=25°C,30ms pulse  
Thermal Regulation  
Temperature Stability  
Long-Term Stability  
Output Noise(% of VOUT  
Thermal shutdown  
0.004 0.02 %/W  
ΔVOUT TA=125°C, 1000hr  
ΔVOUT  
0.5  
0.03  
0.003  
150  
%
%
%
°C  
1.0  
)
eN  
TA=25°C,10Hz f 10kHz  
UNISONIC TECHNOLOGIES CO., LTD  
3 of 7  
QW-R102-043.F  
www.unisonic.com.tw  
UZ2085  
LINEAR INTEGRATED CIRCUIT  
„
TYPICAL APPLICATION CIRCUIT  
The UTC UZ2085 also supports MLCC.  
UNISONIC TECHNOLOGIES CO., LTD  
4 of 7  
QW-R102-043.F  
www.unisonic.com.tw  
UZ2085  
LINEAR INTEGRATED CIRCUIT  
„
TYPICAL CHARACTERISTICS  
Short-Circuit Current vs. V  
T=25  
Ripple Rejection vs. Frequency  
90  
7
6
80  
70  
60  
5
4
3
2
50  
40  
30  
20  
10  
0
1
0
100k  
10k  
Frequency (Hz)  
10  
100  
1k  
0
1
2
3
4
5
6
7
8
V  
UNISONIC TECHNOLOS CO., LTD  
5 of 7  
QW-R102-043.F  
www.unisonic.com.tw  
UZ2085  
LINEAR INTEGRATED CIRCUIT  
„
TYPICAL CHARACTERISTICS(Cont.)  
Short-Circuit Current vs. Temperature  
Output Voltage vs. Output Current  
8
7
5
4
UTC UZ2085-ADJ  
VOUT=3.3V  
3
2
6
-40℃  
125℃  
25℃  
5
4
1
0
0
1
2
3
4
5
6
7
8
-50 -25  
0
25  
50 75 100 125  
Output Current (A)  
Junction Temperature ()  
Reference Voltage vs. Temperature  
Output Voltage vs. Temperature  
1.254  
1.252  
5.10  
5.05  
UTC UZ2085-5.0  
1.250  
1.248  
5.00  
4.95  
1.246  
1.244  
1.242  
1.240  
4.90  
4.85  
-25  
0
25  
50  
100 125  
75  
-25  
0
25  
50  
100 125  
75  
Junction Temperature ()  
Junction Temperature ()  
UNISONIC TECHNOLOGIES CO., LTD  
6 of 7  
QW-R102-043.F  
www.unisonic.com.tw  
UZ2085  
LINEAR INTEGRATED CIRCUIT  
UTC assumes no responsibility for equipment failures that result from using products at values that  
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or  
other parameters) listed in products specifications of any and all UTC products described or contained  
herein. UTC products are not designed for use in life support appliances, devices or systems where  
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in  
whole or in part is prohibited without the prior written consent of the copyright owner. The information  
presented in this document does not form part of any quotation or contract, is believed to be accurate  
and reliable and may be changed without notice.  
UNISONIC TECHNOLOGIES CO., LTD  
7 of 7  
QW-R102-043.F  
www.unisonic.com.tw  
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