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Bel Fuse

SRDB-07A Datasheet Preview

SRDB-07A Datasheet

NON-ISOLATED DC/DC CONVERTERS

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NON-ISOLATED DC/DC CONVERTERS
12V Input / 1.2V – 5.0V Output / 7A
SRDB-07A Series
RoHS Compliant
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Nonisolated
Compact, low profile surface mount package
Fixed frequency
High efficiency means less power dissipation
Excellent thermal performance
Optimized for cost
Remote on/off
Undervoltage lockout (UVLO)
Over current and short circuit protection
Remote sense
POWER PRODUCTS
BP06SRDB-07A
Description
The Bel SRDB-07A modules are a series of non-isolated, step down DC/DC power converters that operate from a nominal
12V source. These converters are available in a range of output voltages from 1.2V to 5.0V. They are packaged in a compact,
low profile, surface mount DIP package for ease of layout and space savings. 7A maximum output is also provided. Standard
features include remote on/off, over current and short circuit protection, UVLO and output voltage adjust. These products may
be used almost anywhere low voltage silicon is employed and a 12V source is available. Typical applications include file
servers, routers, line cards and other computing and communications equipment.
Applications
• Distributed power architectures
• Data networking equipment
• Telecommunications
• Computers and peripherals
Part Number Selection
Output
Voltage
5.0V
3.3V
2.5V
1.8V
1.5V
1.2V
Input
Voltage
12V
12V
12V
12V
12V
12V
Max. Output Max. Output
Current
Power
7A 35.0W
7A 23.1W
7A 17.5W
7A 12.6W
7A 10.5W
7A 8.4W
Typical
Efficiency
92%
90%
88%
83%
82%
81%
Part Number
SRDB-07A500
SRDB-07A330
SRDB-07A250
SRDB-07A180
SRDB-07A150
SRDB-07A120
©2006 Bel Fuse Inc. Specifications subject to change without notice. 02.06
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 1




Bel Fuse

SRDB-07A Datasheet Preview

SRDB-07A Datasheet

NON-ISOLATED DC/DC CONVERTERS

No Preview Available !

POWER PRODUCTS
BP06SRDB-07A
Absolute Maximum Ratings
NON-ISOLATED DC/DC CONVERTERS
12V Input / 1.2V – 5.0V Output / 7A
Parameter
Symbol Min Typical Max
Unit
Continuous Input Voltage
Vin -0.3
15 V
Output Enable Terminal Voltage
Vouten
-0.3
15.3
V
Ambient Temperature
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Storage Temperature
Tamb
Tstor
0
-40
70 °C
100 °C
Note: Use beyond the maximum ratings may cause a reliability degradation of the DC/DC
converter or may permanently damage the device.
Input Specifications
Parameter
Module Symbol Min Typical Max
Operating Input Voltage
Input Current
No Load Input Current
All Vin 10.8 12 13.2
5.0V
3.3V
2.5V
1.8V
1.5V
1.2V
Iin
4.0
2.6
2.0
1.7
1.4
1.3
5.0V
3.3V
2.5V
1.8V
1.5V
1.2V
50 65
45 60
35 50
30 45
30 45
30 45
Remote Off Input Current
14
Input Reflected Ripple Current1
Input Reflected Ripple Current (P-P)1
I2t Inrush Current Transient
5.0V
3.3V
2.5V
1.8V
1.5V
1.2V
5.0V
3.3V
2.5V
1.8V
1.5V
1.2V
20 30
15 25
12 25
12 20
12 20
12 20
70
50
45
35
35
35
0.08
120
100
100
60
60
60
0.16
Turn On Voltage Threshold
10.4
Turn Off Voltage Threshold
8.2
Note: Input capacitance two 270µF/16V, ESR = 0.018 max at 100kHz @ 25° C.
1. With simulated source impedance of 500nH, 5Hz to 20MHz.
Units
V
A
mA
mA
mArms
mApk
A2s
V
V
©2006 Bel Fuse Inc. Specifications subject to change without notice. 02.06
page 2
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com


Part Number SRDB-07A
Description NON-ISOLATED DC/DC CONVERTERS
Maker Bel Fuse
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