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参数资料
| 型号： | QPW060A0Y46-B |
| 厂商： | LINEAGE POWER LLC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 文件页数： | 6/21页 |
| 文件大小： | 512K |
| 代理商： | QPW060A0Y46-B |
QPW050/060A Series Power Modules; dc-dc Converters
36 – 75 Vdc Input; 1.2Vdc to 3.3Vdc Output
Data Sheet
Sept 16, 2003
14
Tyco Electronics Power Systems
Figure 36. Circuit Configuration to Decrease Output
Voltage
Figure 37. Circuit Configuration to Increase Output
Voltage
Examples:
To trim down the output of a nominal 3.3V module
(QPW050A0F) to 3.1V
100
3
.
3
1
.
3
.
3
%
×
=
V
% = 6.06
=
K
R
down
adj
2
.
10
06
.
6
510
Radj-down = 73.96 k
To trim up the output of a nominal 3.3V module
(QPW050A0F) to 3.6V
100
3
.
3
.
3
6
.
3
%
×
=
V
% = 9.1
()
+
=
K
R
up
adj
2
.
10
1
.
9
510
1
.
9
*
225
.
1
.
9
100
*
3
.
3
*
1
.
5
Rtadj-up = 98.47k
Output Overvoltage Protection
The output overvoltage protection consists of
circuitry that monitors the voltage on the output
terminals. If the voltage on the output terminals
exceeds the over voltage protection threshold, then
the module will shutdown and latch off. The
overvoltage latch is reset by either cycling the input
power for one second or by toggling the on/off
signal for one second. The protection mechanism
is such that the unit can continue in this condition
until the fault is cleared.
Overtemperature Protection
These modules feature an overtemperature
protection circuit to safeguard against thermal
damage. The circuit shuts down and latches off the
module when the maximum device reference
temperature is exceeded. The module can be
restarted by cycling the dc input power for at least
one second or by toggling the remote on/off signal
for at least one second.
Input Undervoltage Lockout
At input voltages below the input undervoltage
lockout limit, the module operation is disabled. The
module will begin to operate at an input voltage
above the undervoltage lockout turn-on threshold.
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