Datasheet > V375B24C400A3

V375B24C400A3

更新时间： 2024-01-23 08:02:20

品牌	Logo	应用领域
VICOR		/
页数	文件大小	规格书
8页	190K
描述
Power Supply Module

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技术参数
数据手册

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V375B24C400A3 技术参数

生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.84
Base Number Matches：	1

V375B24C400A3 数据手册

CONTROL FUNCTIONS - PC PIN

Module Enable/Disable

Module Alarm

The module may be disabled by pulling PC below 2.5V 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, 4.

Primary Auxiliary Supply

At 5.5V, PC can source up to 1.5mA. In the example shown in

Figure 3, PC powers a Module Enabled LED.

Input Undervoltage

Input Overvoltage

+In

+Out

+In

Overtemperature

Auto

Restart

Module Faults

SW1

–S

2-20ms typ.

50Ω

f (V )

SW1, 2, & 3

shown in

"Fault" position

SW2

SW3

Disable

5.7 Vdc

(0-3mA)

–In

1.23

Vdc

–Out

–In

Disable = PC <2.3V

Figure 1—Module enable/disable.

Figure 2—PC/SC module alarm logic.

+In

Fault

40µs typ.

5.7V

4kΩ

"Module

Enabled"

1.23V

2-20ms typ.

–In

Figure 3—LED on-state indicator.

Figure 4—PC/SC module alarm timing.

Voltage

Detector

+In

+Out

Alarm

–S

1.00V

–In

–Out

Figure 5—Isolated on-state indicator.

Figure 6—Secondary side on-state indicator.

Vicor Corporation Tel: 800-735-6200 • 978-470-2900 • Fax: 978-475-6715

Page 4 of 8

The latest data sheets for individual models are available on the Vicor website at www.vicr.com

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