NON-ISOLATED DC/DC CONVERTERS
4.5 Vdc - 13.2 Vdc Input
0.9 Vdc - 5.0 Vdc/3 A Output
xRAH-03Exx0 Series RoHS Compliant
Rev.A
•
•
•
•
Non-Isolated
•
•
•
Remote On/Off
OCP/SCP
Trim Function
Low Profile Package (7.82 mm)
UL60950-1 Recognized (UL/cUL)
Under-Voltage Lockout (UVLO)
Description
The Bel xRAH-03Exx0 is part of the low cost non-isolated dc/dc converter Power Module series. The modules use
a SMD or SIP package for ease of layout and space savings. The output is closely regulated and the efficiency of
3.3 Vdc output module is typically 93% at full load.
Part Selection
Output
Voltage
Input Voltage
Max. Output
Current
Max. Output
Power
Typical
Efficiency
Part Number
Surface Mount
Part Number
Vertical Mount
5.0 Vdc
3.3 Vdc
2.5 Vdc
1.8 Vdc
1.5 Vdc
1.2 Vdc
1.0 Vdc
0.9 Vdc
8.0 Vdc - 13.2 Vdc
4.5 Vdc - 13.2 Vdc
4.5 Vdc - 13.2 Vdc
4.5 Vdc - 13.2 Vdc
4.5 Vdc - 13.2 Vdc
4.5 Vdc - 13.2 Vdc
4.5 Vdc - 13.2 Vdc
4.5 Vdc - 13.2 Vdc
3 A
3 A
3 A
3 A
3 A
3 A
3 A
3 A
15 W
9.9 W
7.5 W
5.4 W
4.5 W
3.6 W
3 W
95%
93%
91%
88%
87%
85%
84%
82%
SRAH-03E500
SRAH-03E330
SRAH-03E250
SRAH-03E180
SRAH-03E150
SRAH-03E120
SRAH-03E100
SRAH-03E090
VRAH-03E500
VRAH-03E330
VRAH-03E250
VRAH-03E180
VRAH-03E150
VRAH-03E120
VRAH-03E100
VRAH-03E090
2.7 W
Notes: 1. Add “0” suffix at the end of the model number to indicate “Tube Packaging”, and “R” for “Reel
Packaging”, and “G” for “Tray Packaging”.
2. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers.
Absolute Maximum Ratings
Parameter
Min
-0.3 V
-0.3 V
0 °C
Typ
Max
14 V
Notes
Input Voltage (continuous)
Output Enable Terminal Voltage
Ambient Temperature
-
-
-
-
13.2 V
70 °C
100 °C
Storage Temperature
-40 °C
Input Specifications
Parameter
Min
Typ
Max
Notes
Min. input voltage for 5.0 V output module
should be 8.0 V
Input Voltage
4.5 V
-
13.2 V
Input Current (no load)
Input Current (full load)
Remote Off Input Current
Input Reflected Ripple Current
(pk-pk)
-
-
-
30 mA
-
4 mA
-
3 A
-
With simulated source impedance of
500 nH, 5 Hz to 20 MHz; Use two
-
75 mA
150 mA
270 uF/16 V Oscon capacitors with ESR =
0.018 ohm max. at 100 kHz at 25 °C
Input Reflected Ripple Current
(rms)
I2t Inrush Current Transient
-
-
30 mA
60 mA
0.02 A2s
0.08 A2s
Turn-on Voltage Threshold
Turn-off Voltage Threshold
-
-
4.1 V
3.3 V
4.5 V
4.0 V
Not applicable for 5.0 V output.
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com