參數(shù)資料
型號(hào): S7AH-08B
廠商: Bel Fuse Inc.
英文描述: NON-ISOLATED DC/DC CONVERTERS 5V Input / 0.9V - 3.3V Output / 8A
中文描述: 非隔離式DC / DC轉(zhuǎn)換器5V輸入/為0.9V - 3.3V輸出/ 8A條
文件頁(yè)數(shù): 13/22頁(yè)
文件大小: 351K
代理商: S7AH-08B
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
2004 Bel Fuse Inc. Specifications subject to change without notice. 03.04
POWER PRODUCTS
NON-ISOLATED DC/DC CONVERTERS
5V Input / 0.9V – 3.3V Output / 8A
BP03x7AH-08B
page 13
Output Voltage Set-Point Adjustment
Vo
Trim
Gnd
Vo
Trim
Gnd
Trim Down Test Circuit
Trim Up Test Circuit
x7AH-08B1A0 Trim Resistor Calculation
0.85
0.94
1.04
1.14
Adjusted output voltage Vo,adj (V)
1.23
1.33
1.42
1.52
1.61
1.71
1.8
0
300
600
900
1200
1500
1800
2100
2400
2700
3000
T
1.8
2
2.2
2.4
2.6
2.8
3
3.2
3.4
3.6
3.8
0
300
600
900
1200
1500
1800
2100
2400
2700
3000
Adjusted output voltage Vo,adj(V)
T
ohm
adj
Vo
Vo
R
down
trim
)
261
,
362
.
250
(
=
ohm
Vo
adj
Vo
R
up
trim
)
12
,
2
199
(
=
where,
Vo
is the nomnal output voltage setpoint when trimpin is open ,Vo=1.805V
Vo,adj
is the adjusted output voltage.
Rtrim-down
is the resistance required between TRIMand Vo.
Vo
is the nomnal output voltage setpoint when trimpin is open ,Vo=1.805V
Vo,adj
is the adjusted output voltage.
Rtrim-up
is the resistance required between TRIMand GND.
where,
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