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PDF V7AH-07C Data sheet ( Hoja de datos )
| Número de pieza | V7AH-07C | |
| Descripción | NON-ISOLATED DC/DC CONVERTERS | |
| Fabricantes | Bel Fuse | |
| Logotipo |  |
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NON-ISOLATED DC/DC CONVERTERS
3.3V Input / 0.9V – 2.5V Output / 7A
S7AH-07C / V7AH-07C 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
• Industrial temperature range -40° to +85° C
POWER PRODUCTS
BP03x7AH-07C
Description
The Bel S7AH-07C and V7AH-07C modules are a series of non-isolated, step down DC/DC power converters that operate
from a nominal 3.3V source. These converters are available in a range of output voltages from 0.9V to 2.5V. They are pack-
aged in a compact, overmolded package rated at 7A. 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
3.3V 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
Options
• Wide range adjustable output
Part Number Selection
Output
Voltage
Input
Voltage
Max. Output
Current
Max. Output
Power
Typical
Efficiency
Part Number
Surface Mount
Part Number
Vertical Mount
2.5V
3.3V
7A
17.5W
92%
S7AH-07C250
V7AH-07C250
1.8V
3.3V
7A
12.6W
88%
S7AH-07C180
V7AH-07C180
1.5V
3.3V
7A
10.5W
86%
S7AH-07C150
V7AH-07C150
1.2V
3.3V
7A
8.4W
83%
S7AH-07C120
V7AH-07C120
0.9V
3.3V
7A
6.3W
80%
S7AH-07C090
V7AH-07C090
0.9V - 2.5V
3.3V
7A
17.5W
92%
S7AH-07C1A0
V7AH-07C1A0
©2003 Bel Fuse Inc. Specifications subject to change without notice. 02.03
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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NON-ISOLATED DC/DC CONVERTERS
3.3V Input / 0.9V – 2.5V Output / 7A
POWER PRODUCTS
BP03x7AH-07C
General Specifications
Parameter
Efficiency1
Switching Frequency
Module Symbol Min Typical Max
2.5V
1.8V
1.5V
1.2V
0.9V
η
90 92
86 88
84 86
81 83
78 80
All Fsw 250 300 340
Output Voltage Trim Range2
1.8V
50
146
Weight
All
1. Vin=3.3V, full load and Ta=25° C.
2. See graphs on page 9.
5
Units
%
kHz
%
g
Control Specifications
Parameter
Remote On/Off 3
Module Symbol Min Typical
All Vouten
Signal Low (Unit Off)
Signal High (Unit On)
All
All
-0.3
1.8
3. With remote on/off pin 1 open, the module is on.
Note: On/off pin designed to work with an open collector/drain switch.
Max
1
3.6
Units
V
V
V
©2003 Bel Fuse Inc. Specifications subject to change without notice. 02.03
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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NON-ISOLATED DC/DC CONVERTERS
3.3V Input / 0.9V – 2.5V Output / 7A
Output Voltage Set-Point Adjustment
x7AH-07C120 Trim Resistor Calculation
Rtrim down = (
0.622
Vo – Vo, adj
– 4.15) Kohm
POWER PRODUCTS
BP03x7AH-07C
Rtrim up =
(
1.232
Vo, adj – Vo
– 2.61) Kohm
x7AH-07C090 Trim Resistor Calculation
Rtrim up =
(
0.3064
Vo, adj – Vo
– 0.178) Kohm
©2003 Bel Fuse Inc. Specifications subject to change without notice. 02.03
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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11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet V7AH-07C.PDF ] | |
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