Datasheet > V375B48H300AN3

V375B48H300AN3

更新时间： 2024-01-08 20:26:45

品牌	Logo	应用领域
VICOR		/
页数	文件大小	规格书
8页	374K
描述
DC-DC Regulated Power Supply Module, 1 Output, 300W, Hybrid

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数据手册

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V375B48H300AN3 数据手册

CONTROL FUNCTIONS - PC PIN

Module Enable/Disable

Module Alarm

The module may be disabled by pulling PC below 2.3V with

respect to the –Input. This may be done with an open collector

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.

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.

Primary Auxiliary Supply

At 5.7V, PC can source up to 1.5mA. In the example shown in

Figure 3, PC powers a module enabled LED.

Input Undervoltage

Input Overvoltage

+Out

+In

Overtemperature

+Out

Auto

Restart

Module Faults

SW1

–S

2-20ms typ.

50Ω

f (V )

SW1, 2, & 3

shown in

"Fault" position

SW2

SW3

–In

Disable

–In

5.7Vdc

(0-3mA)

1.23

Vdc

–Out

Disable = PC <2.3V

Figure 1—Module enable/disable.

Figure 2—PC/SC module alarm logic.

+In

+Out

Fault

40µs typ.

5.7V

–S

4kΩ

"Module

–In

Enabled"

1.23V

2-20ms typ.

–Out

Figure 3—LED on-state indicator.

Figure 4—PC/SC module alarm timing.

Optocoupler

+In

+Out

–S

Alarm

4kW

–In

1.00V

–Out

Figure 5—Isolated on-state indicator.

Figure 6—Secondary side on-state indicator.

Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715

375V Mini Family

Rev. 6.4

Page 4 of 8

Set your site on VICOR at www.vicorpower.com

1 2 345 6 7 8

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