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SRAH-03C500 Datasheet(PDF) 1 Page - Bel Fuse Inc.

Part # SRAH-03C500
Description  NON-ISOLATED DC/DC CONVERTERS
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Manufacturer  BEL [Bel Fuse Inc.]
Direct Link  http://www.belfuse.com
Logo BEL - Bel Fuse Inc.

SRAH-03C500 Datasheet(HTML) 1 Page - Bel Fuse Inc.

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Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302
• Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
NON-ISOLATED DC/DC CONVERTERS
3.0 Vdc - 3.6 Vdc Input
5.0 Vdc/3 A Output
Non-Isolated
Allows Burst Mode Operation
High Efficiency
at Low Load Currents
Fixed Frequency (530 kHz)
Trim Function (Option)
Low Profile Package
UL60950-1 Recognized (UL/cUL)
Description
The Bel xRAH-03C500 is a part of the low cost non-isolated dc/dc converter series. The modules use a SMD or
SIP package for ease of layout and space savings. The output is closely regulated and the efficiency is typically
90% 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
3.0 Vdc - 3.6 Vdc
3 A
15 W
90%
SRAH-03C500
VRAH-03C500
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
Typ
Max
Notes
Input Voltage (continuous)
2.8 V
-
4.0 V
Ambient Temperature
0
°C
-
70
°C
Storage Temperature
-40
°C
-
125
°C
Input Specifications
Parameter
Min
Typ
Max
Notes
Input Voltage
3.0 V
-
3.6 V
Input Current
-
-
6.3 A
Input Reflected Ripple Current
(rms)
-
30 mA
60 mA
Input Reflected Ripple Current
(pk-pk)
-
100 mA
150 mA
With simulated source impedance of 500
nH, 5 Hz to 20 MHz; Use one 270 uF/16
V capacitor with ESR = 0.018 ohm max.
at 100KHz at 25
°C.
I
2t Inrush Current Transient
-
0.02 A
2s
0.05 A
2s
Turn-on Voltage Threshold
-
2.8 V
2.9 V
Note:
All specifications are typical at nominal input, full load at 25 °C unless otherwise stated.
xRAH-03C500
RoHS Compliant
Rev.A


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