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Bel Fuse

SRDB-08B Datasheet Preview

SRDB-08B Datasheet

NON-ISOLATED DC/DC CONVERTER

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NON-ISOLATED DC/DC CONVERTERS
5V Input / 1.2V – 3.3V Output / 8A
SRDB-08B Series
RoHS Compliant
www.DataSheet4U.com
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-08B
Description
The Bel SRDB-08B modules are a series of non-isolated, step down DC/DC power converters that operate from a nominal 5V
source. These converters are available in a range of output voltages from 1.2V to 3.3V. They are packaged in a compact, low
profile, surface mount DIP package for ease of layout and space savings. 8A 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 5V 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
3.3V
2.5V
1.8V
1.5V
1.2V
Input
Voltage
5V
5V
5V
5V
5V
Max. Output Max. Output
Current
Power
8A 26.4W
8A 20W
8A 14.4W
8A 12W
8A 9.6W
Typical
Efficiency
93%
91%
87%
86%
83%
Part Number
SRDB-08B330
SRDB-08B250
SRDB-08B180
SRDB-08B150
SRDB-08B120
©2006 Bel Fuse Inc. Specifications subject to change without notice. 06.06
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-08B Datasheet Preview

SRDB-08B Datasheet

NON-ISOLATED DC/DC CONVERTER

No Preview Available !

POWER PRODUCTS
BP06SRDB-08B
NON-ISOLATED DC/DC CONVERTERS
5V Input / 1.2V – 3.3V Output / 8A
Absolute Maximum Ratings
Parameter
Symbol Min Typical Max
Unit
Continuous Input Voltage
Vin
www.DataSheet4U.com
Output Enable Terminal Voltage
Vouten
-0.3
-0.3
6V
6V
Ambient Temperature
Tamb
-40
85 °C
Storage Temperature
Tstor
-55
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
Operating Input Voltage
Input Current
No Load Input Current
All Vin 4.5
5
3.3V
2.5V
1.8V
1.5V
1.2V
Iin
All 50
Remote Off Input Current
4
Input Reflected Ripple Current1
30
Input Reflected Ripple Current (P-P)1
60
I2t Inrush Current Transient
0.05
Turn On Voltage Threshold
4.3
Turn Off Voltage Threshold
3.85
Note: Input capacitance two 270µF/10V, ESR = 0.018 max at 100kHz @ 25° C.
1. With simulated source impedance of 500nH, 5Hz to 20MHz.
Max
5.5
7.2
5.6
4.6
3.9
3.0
8
50
100
0.07
4.5
4.49
Units
V
A
mA
mA
mArms
mApk
A2s
V
V
©2006 Bel Fuse Inc. Specifications subject to change without notice. 06.06
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-08B
Description NON-ISOLATED DC/DC CONVERTER
Maker Bel Fuse
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