NON-ISOLATED DC/DC CONVERTERS
7.0 Vdc - 13.2 Vdc Input
1.2 Vdc - 3.3 Vdc/5 A Output
xRAH-05Exx0
RoHS Compliant
Rev.A
•
•
•
•
•
Non-Isolated
•
•
•
•
•
Remote On/Off
High Efficiency
Under-Voltage Lockout
OCP/SCP
High Power Density
Fixed Frequency (280 kHz)
Trim Function
Low Profile Package (7.82 mm)
UL60950-1 Recognized (UL/cUL)
Description
The Bel xRAH-05Exx0 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 91% 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
3.3 V
2.5 V
1.8 V
1.5 V
1.2 V
7.0 V - 13.2 V
7.0 V - 13.2 V
7.0 V - 13.2 V
7.0 V - 13.2 V
7.0 V - 13.2 V
5 A
5 A
5 A
5 A
5 A
16.5 W
12.5 W
9 W
91%
89%
87%
85%
83%
SRAH-05E330
SRAH-05E250
SRAH-05E180
SRAH-05E150
SRAH-05E120
VRAH-05E330
VRAH-05E250
VRAH-05E180
VRAH-05E150
VRAH-05E120
7.5 W
6 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
Input Voltage (continuous)
Output Enable Terminal Voltage
Ambient Temperature
Min
Typ
Max
14 V
Notes
-0.3 V
-0.3 V
-40 °C
-40 °C
-
-
-
-
14 V
85 °C
125 °C
Storage Temperature
Input Specifications
Parameter
Input Voltage
Min
7 V
Typ
-
Max
13.2 V
100 mA
2.8 A
-
Notes
Input Current (no load)
Input Current (full load)
Remote Off Input Current
-
-
-
70 mA
-
3 mA
With simulated source impedance of
500 nH, 5 Hz to 20 MHz. Use one 270
uF/ 16 V OSCON capacitor with
ESR=0.018 ohm max, at 100kHz at
the input
Input Reflected Ripple Current (pk-pk)
-
120 mA
240 mA
Input Reflected Ripple Current (rms)
I2t Inrush Current Transient
-
-
50 mA
100 mA
0.1 A2s
0.04 A2s
Turn on Voltage Threshold
Turn off Voltage Threshold
-
5 V
6 V
-
3.2 V
3.8 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