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SRDB-04C500 Datasheet

  • SRDB-04C500

  • NON-ISOLATED DC/DC CONVERTERS 3.3 V Input 5 V/4 A Output

  • 5頁

  • BEL   BEL

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NON-ISOLATED DC/DC CONVERTERS
3.3 V Input
5 V/4 A Output
SRDB-04C500
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鈥?/div>
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Non-Isolated
High Efficiency
Fixed Frequency (530 kHz)
Low Profile Package (8.5 mm)
RoHS Compliant
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Remote Sense
Allows Burst Mode Operation
at Low Load Currents
Description
The SRDB-04C500 is part of the low cost non-isolated dc/dc series. The module uses a DIP package for ease
of layout and space savings, with a low profile of 8.5mm. The output is closely regulated and the efficiency is
typically 92% at full load. The unit is designed to be highly efficient and cost-effective. Features include remote
sense, output voltage adjustment and burst mode at light load.
Part Selection
Output
Voltage
5V
Input
Voltage
3.3 V
Max. Output
Current
4A
Max. Output
Power
20 W
Typical
Efficiency
92%
Model Number
SRDB-04C500
Note:
Add 鈥淩鈥?suffix at the end of the model number to indicate 鈥淩eel Packaging鈥? and 鈥淕鈥?for 鈥淭ray
Packaging鈥?
Absolute Maximum Ratings
Parameter
Input Voltage (continuous)
Ambient Temperature
Storage Temperature
Min
2.8 V
0
擄C
-40
擄C
Typ
-
-
-
Max
4V
70
擄C
125
擄C
Notes
Input Specifications
Parameter
Input Voltage
Input Current (full load)
Input Reflected Ripple Current (pk-pk)
Input Reflected Ripple Current (rms)
I t Inrush Current Transient
Turn-on Voltage Threshold
2
Min
3V
-
-
-
-
-
Typ
-
-
120 mA
25 mA
0.02 A s
2.8 V
2
Max
3.6 V
8.5 A
200 mA
50 mA
0.05 A s
2.9 V
2
Notes
Tested with simulated source
impedance of 500 nH, 5 Hz to 20
MHz; 270 uF/16 V capacitors with
ESR=0.018 ohm max. at 100KHz
Note:
All specifications are typical at 25
擄C
unless otherwise stated.
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302
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Tel 201-432-0463
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Fax 201-432-9542
鈥?/div>
www.belfuse.com

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