ISOLATED DC/AC CONVERTER
36 Vdc - 75 Vdc Input, 65 Vac - 95 Vac 17.5, 20, 25, 50 Hz/40 W Output
0RHB-40TRxx RoHS Compliant
Rev.C
•
•
•
•
•
•
•
•
•
Isolated
•
•
•
•
•
Fixed Switching Frequency (110 kHz)
Output Short Circuit Protection
Input Under/Over Voltage Protection
Over Temperature Protection
CNT On/Off Logic
High Efficiency
Basic Insulation
Low Cost
Low THD Sine Wave Output
Excellent Thermal Performance
External Output Voltage Control 65 Vrms - 95 Vrms
External Digital Frequency Selection 17.5 Hz, 20 Hz, 25 Hz and 50 Hz
Overload Protection with Advanced Output Power Control
Description
The 0RHB-40TRxx is an isolated dc/ac ring generator that operates from a nominal 48 Vdc source. This unit
provides up to 40 W output power. It is designed to be highly efficient and low cost in a half-brick package.
Part Selection
Output Voltage
Input Voltage
Max. Output
Power
Typical
Efficiency
Model Number
Active High
Model Number
Active Low
65 Vac - 95 Vac
65 Vac - 95 Vac
36 Vdc - 75 Vdc
36 Vdc - 75 Vdc
40 W
40 W
85%
85%
0RHB-40TRG0
0RHB-40TRH0
0RHB-40TRGL
0RHB-40TRHL
Notes: 1. 0RHB-40TRGx indicates application 1, 0RHB-40TRHx indicates application 2, details please see page 5.
2. Add “G” suffix at the end of the model number to indicate Tray Packaging.
3. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers.
Absolute Maximum Ratings
Parameter
Input Voltage (continuous)
I/O Isolation Voltage
Min
-0.3 V
-
Typ
-
-
Max
80 V
Notes
1500 Vac
Ambient Temperature
Storage Temperature
-
-
-40 °C
-50 °C
85 °C
115 °C
Input Specifications
Parameter
Min
Typ
Max
Notes
Input Voltage
36 V
48 V
75 V
Input Current (full load)
Input Current (no load)
-
-
-
-
1.5 A
60 mA
Tested with simulated source impedance
of 10 uH, 5 Hz to 20 MHz; use a 100 uF
/100 V electrolytic capacitor with ESR = 1
ohm max at 200 kHz at 25 °C.
Input Reflected Ripple Current (pk-pk)
-
-
150 mA
Turn-on Voltage Threshold
Under Voltage Threshold
Over Voltage Threshold
-
-
-
33 V
-
-
-
32 V
90 V
Note: All specifications are typical at 25 °C unless otherwise stated.
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
