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PDF S7DB-08B Data sheet ( Hoja de datos )
| Número de pieza | S7DB-08B | |
| Descripción | NON-ISOLATED DC/DC CONVERTERS | |
| Fabricantes | Bel Fuse | |
| Logotipo |  |
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NON-ISOLATED DC/DC CONVERTERS
5V Input / 1.2V – 3.3V Output / 8A
S7DB-08B 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
• Remote sense
POWER PRODUCTS
BP02S7DB-08B
Description
The Bel S7DB-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 shortDcairtcauSithperoette4cUtio.cno, mUVLO 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.
DataShee
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
S7DB-08B330
S7DB-08B250
S7DB-08B180
S7DB-08B150
S7DB-08B120
DataSheet4U.com
©2002 Bel Fuse Inc. Specifications subject to change without notice. 06.02
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 1
1 page  
www.DataSheet4U.com
NON-ISOLATED DC/DC CONVERTERS
5V Input / 1.2V – 3.3V Output / 8A
POWER PRODUCTS
BP02S7DB-08B
General Specifications
Parameter
Efficiency1
Switching Frequency
Output Voltage Trim Range2
Module
3.3V
2.5V
1.8V
1.5V
1.2V
All
All
et4U.com
Remote Sense Compensation
Weight
All
All
1. Vin=5.0V, full load and Ta=25° C.
2. See graphs on pages 12-14.
Symbol Min Typical
η
90 93
88 91
84 87
83 86
80 83
Fsw 260 300
3.3V
2.5V
1.8V
1.5V
1.2V
70
70
90
90
90
10.5
DataSheet4U.com
Max
340
110
110
120
120
110
10
Units
%
kHz
%
%
g
Control Specifications
Parameter
Remote On/Off 3
Module
All
Symbol
Vouten
Signal Low (Unit On)
All
Signal High (Unit Off)
All
3. With remote on/off pin 8 open, the module is on.
Min
0
2.5
Typical
Max
1
5.5
Units
V
V
V
DataShee
Note: On/off pin designed to work with an open collector/drain switch.
DataSheet4U.com
©2002 Bel Fuse Inc. Specifications subject to change without notice. 06.02
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 5
5 Page 
www.DataSheet4U.com
NON-ISOLATED DC/DC CONVERTERS
5V Input / 1.2V – 3.3V Output / 8A
Transient Response
Transient response: di/dt = 0.5A/µS
POWER PRODUCTS
BP02S7DB-08B
et4U.com
Vout=1.8V
DataSheet4U.Vcooumt=1.8V
50% to 100% load transients at 5V input and Ta=25° C
100% to 50% load transients at 5V input and Ta=25° C
DataShee
Vout=1.5V
50% to 100% load transients at 5V input and Ta=25° C
Vout=1.5V
100% to 50% load transients at 5V input and Ta=25° C
DataSheet4U.com
©2002 Bel Fuse Inc. Specifications subject to change without notice. 06.02
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet S7DB-08B.PDF ] | |
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