參數(shù)資料
型號(hào)： FC250R
元件分類： DC/DC變換器
英文描述： Power Module:dc-dc Converter; 18 Vdc to 36 Vdc Input, 28 Vdc Output; 250 W
中文描述： 電源模塊：型DC - DC轉(zhuǎn)換器，18伏到36伏直流電輸入，28伏直流輸出; 250瓦
文件頁(yè)數(shù)： 9/20頁(yè)
文件大?。?/td> 1145K
代理商： FC250R
Tyco Electronics Corp.
9
Data Sheet
May 1999
dc-dc Converter; 18 Vdc to 36 Vdc Input, 28 Vdc Output; 250 W
FC250R Power Module:
Feature Descriptions
(continued)
Output Voltage Set-Point Adjustment (Trim)
(continued)
The test results for this configuration are displayed in
Figure 15.
8-748 (C).b
Figure 13. Circuit Configuration to Decrease
Output Voltage
8-1933 (C)
Figure 14. Resistor Selection for Decreased Output
Voltage
Figure 15. Circuit Configuration to Increase
Output Voltage
Figure 16. Resistor Selection for Increased Output
Voltage
Output Overvoltage Protection
The output voltage is monitored at the V
pins of the module. If the voltage at these pins exceeds
the value indicated in the feature specifications table,
the module will shut down and latch off. Recovery from
latched shutdown is accomplished by cycling the dc
input power off for at least 1.0 s or toggling the primary
referenced on/off signal for at least 1.0 s.
(–)
V
I
(+)
V
I
(–)
ON/OFF
CASE
V
O
(+)
V
O
(–)
SENSE(+)
TRIM
SENSE(–)
R
adj-down
R
LOAD
10
20
30
1
10
PERCENT CHANGE IN OUTPUT VOLTAGE (
%)
A
)
10k
40
0
100
1k
V
I
(+)
V
I
(–)
ON/OFF
CASE
V
O
(+)
V
O
(–)
SENSE(+)
TRIM
SENSE(–)
R
adj-up
0.4
0.8
1.2
1.6
2.0
1M
10M
0.0
100M
A
)
% CHANGE IN OUTPUT VOLTAGE (
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