参数资料
型号: V375A28M400BS3
元件分类: 电源模块
英文描述: 1-OUTPUT 400 W DC-DC REG PWR SUPPLY MODULE
封装: MODULE-9
文件页数: 2/15页
文件大小: 575K
代理商: V375A28M400BS3
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
375V Maxi Family
Rev. 8.7
Page 10 of 15
Set your site on VICOR at vicorpower.com
Module Enable/Disable
The module may be disabled by pulling PC below 2.3 V with
respect to the –Input. This may be done with an open collec-
tor transistor, relay, or optocoupler. Multiple converters may
be disabled with a single transistor or relay either directly or
via “OR’ing” diodes. See Figure 1.
Primary Auxiliary Supply
At 5.7 V, PC can source up to 1.5 mA. In the example shown
in Figure 3, PC powers a module enabled LED.
Module Alarm
The module contains “watchdog” circuitry which monitors
input voltage, operating temperature and internal operating
parameters. In the event that any of these parameters are
outside of their allowable operating range, the module will
shut down and PC will go low. PC will periodically go high
and the module will check to see if the fault (as an example,
overtemperature) has cleared. If the fault has not been cleared,
PC will go low again and the cycle will restart. The SC pin
will go low in the event of a fault and return to its normal
state after the fault has been cleared. See Figures 2 and 4.
+IN
PC
PR
–IN
Disable
Disable = PC <2.3 V
Figure 1 — Module enable/disable.
Figure 3 — LED on-state indicator.
+IN
PC
PR
–IN
4 k
Ω
"Module
Enabled"
+IN
PC
PR
–IN
Optocoupler
4 k
Ω
Alarm
1.00V
+OUT
+S
SC
–S
–OUT
Comparator
+OUT
+S
SC
–S
– OUT
+IN
PC
PR
–IN
Input Undervoltage
2-20 ms typ.
f (VIN)
Auto
Restart
5.7 Vdc
(0-3 mA)
50
Ω
SW2
SW3
1.23
Vdc
6 K
1 K
SW1
SW1, 2, & 3
shown in
"Fault" position
Input Overvoltage (See Note 1)
Overtemperature
Module Faults
1
Not applicable for 300 Vdc input family
1 M
Figure 2 — PC/SC module alarm logic.
Figure 5 — Isolated on-state indicator.
2–20 ms typical
Fault
SC
PC
1.23 V
5.7 V
40
μs typ.
Figure 4 — PC/SC module alarm timing.
Figure 6 — Secondary side on-state indicator.
CONTROL FUNCTIONS - PC PIN
相关PDF资料
PDF描述
V375A28T400BG2 1-OUTPUT 400 W DC-DC REG PWR SUPPLY MODULE
V375A2M160BF2 1-OUTPUT 160 W DC-DC REG PWR SUPPLY MODULE
V375A32C600BL 1-OUTPUT 600 W DC-DC REG PWR SUPPLY MODULE
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