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PDF ( 数据手册 , 数据表 ) V7AH-05B

零件编号 V7AH-05B
描述 NON-ISOLATED DC/DC CONVERTERS
制造商 Bel Fuse
LOGO Bel Fuse LOGO 


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V7AH-05B 数据手册, 描述, 功能
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NON-ISOLATED DC/DC CONVERTERS
5V Input / 1.2V – 3.3V Output / 5A
S7AH-05B / V7AH-05B Series
• 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
POWER PRODUCTS
BP02x7AH-05B
Description
The Bel S7AH-05B and V7AH-05B 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, overmolded package rated at 5A. Optional lead forming provides a vertical mount product for minimal footprint
or a surface mount option for a very low profile. Standard features include remote on/off, over current and short circuit
protection, 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
Current
5A
5A
5A
5A
5A
Max. Output
Power
16.5W
12.5W
9.0W
7.5W
6W
Typical
Efficiency
92%
90%
86%
84%
82%
Part Number
Surface Mount
S7AH-05B330
S7AH-05B250
S7AH-05B180
S7AH-05B150
S7AH-05B120
Part Number
Vertical Mount
V7AH-05B330
V7AH-05B250
V7AH-05B180
V7AH-05B150
V7AH-05B120
©2003 Bel Fuse Inc. Specifications subject to change without notice. 10.03
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
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V7AH-05B pdf, 数据表
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POWER PRODUCTS
NON-ISOLATED DC/DC CONVERTERS
5V Input / 1.2V – 3.3V Output / 5A
BP02x7AH-05B
Transient Response
Transient response: di/dt = 0.5A/µS, no external load capacitance
Vout=3.3V
50% to 100% load transients at 5V input and Ta=25° C
Vout=3.3V
100% to 50% load transients at 5V input and Ta=25° C
Vout=2.5V
50% to 100% load transients at 5V input and Ta=25° C
Vout=2.5V
100% to 50% load transients at 5V input and Ta=25° C
Vout=1.8V
50% to 100% load transients at 5V input and Ta=25° C
Vout=1.8V
100% to 50% load transients at 5V input and Ta=25° C
©2003 Bel Fuse Inc. Specifications subject to change without notice. 10.03
page 8
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
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