Datasheet > V48B36T250BL2

V48B36T250BL2

更新时间： 2022-09-29 12:39:50

品牌	Logo	应用领域
VICOR		/
页数	文件大小	规格书
11页	898K
描述
CONVERTER MOD DC/DC 36V 250W

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数据手册

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V48B36T250BL2 数据手册

48V Input

Primary Control – PC Pin

Module Enable/Disable

Module Alarm

The module may be disabled by pulling PC to 0V (2.3V max) with

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

transistor, relay, or optocoupler. Converters may be disabled with

a single transistor or relay either directly or via “OR’ing” diodes for

two or more converters. See Figure 2.

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, Input Undervoltage) 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 3 and 5.

Primary Auxiliary Supply

During normal operation only, the PC Pin can source 5.7V

@ 1.5mA. In the example shown in Figure 4, PC powers a

module enabled LED.

Input Undervoltage

Input Overvoltage

+IN

+OUT

Overtemperature

Module Faults

Auto

Restart

SW1

–S

2 – 20ms typ.

50Ω

f (V_IN

)

SW1, 2, & 3

shown in

1kΩ

6kΩ

SW2

SW3

1MΩ

Disable

–IN

"Fault" position

5.7V_DC

–IN

(0 – 3mA)

1.23

V_DC

–OUT

Disable = PC <2.3V

Figure 2 — Module enable/disable

Figure 3 — PC/SC module alarm logic

+IN

+OUT

Fault

400µs typ.

5.7V

–S

4kΩ

"Module

Enabled"

1.23V

–IN

2 – 20ms typ.

–OUT

Figure 4 — LED on-state indicator

Figure 5 — PC/SC module alarm timing

Optocoupler

+IN

+OUT

–S

4kΩ

Alarm

1.00V

–IN

–OUT

Figure 6 — Isolated on-state indicator

Figure 7 — Secondary-side on-state indicator

48V Mini Family

Page 7 of 11

Rev 8.8

02/2021

1...4 5 678 9 10 11

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