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SRDB-04HX20 Datasheet

  • SRDB-04HX20

  • NON-ISOLATED DC/DC CONVERTER 9.0 V - 32 V Input 10 V - 12 V/...

  • 5頁

  • BEL   BEL

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NON-ISOLATED DC/DC CONVERTER
9.0 V - 32 V Input
10 V - 12 V/3.5 A Output
SRDB-04HX20
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Non-Isolated
Fixed Frequency (340 kHz)
Over Current Protection
SCP
RoHS Compliant
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Remote Sense
Low Profile Package (8.5mm)
Remote On/Off (Active Low)
Description
The SRDB-04HX20 is part of the low cost non-isolated dc/dc converter. The module uses a DIP package for
ease of layout and space savings, with a low profile of 8.5 mm. The output is closely regulated and the efficiency
of 12 V is typically 86% at full load. Features include remote sense, over current protection and remote on/off.
Part Selection
Output
Voltage
10 V - 12 V
Input
Voltage
9.0 V - 32 V
Max. Output
Current
3.5 A
Max. Output
Power
42 W
Typical
Efficiency
86%
Model Number
SRDB-04HX20
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)
Output Enable Voltage
Ambient Temperature
Storage Temperature
Min
-0.3 V
-0.3 V
-40
擄C
-55
擄C
Typ
-
-
-
-
Max
36 V
12 V
85
擄C
125
擄C
Notes
Input Specifications
Parameter
Input Voltage
Input Current (Full load)
Input Current (No load)
Remote Off Input Current
Input Reflected Ripple Current
(pk-pk)
Input Reflected Ripple Current
(rms)
I t Inrush Current Transient
Turn-on Voltage Threshold
2
Min
9V
-
-
-
-
-
-
-
Typ
20 V
-
50 mA
1 mA
500 mA
170 mA
0.05 A s
8.5 V
2
Max
32 V
5.6 A
100 mA
3 mA
750 mA
250 mA
0.1 A s
9.0 V
2
Notes
Tested with simulated source
impedance of 500 nH, 5 Hz to 20 MHz;
and two 100 uF/50 V electrolytic
capacitors and a 3.3 uF/50 V ceramic
capacitor at the input.
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
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www.belfuse.com

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