Datasheet > V48B3V3C100B3

V48B3V3C100B3

更新时间： 2023-01-15 00:00:00

品牌	Logo	应用领域
VICOR		/
页数	文件大小	规格书
11页	586K
描述
DC-DC Regulated Power Supply Module

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获取价格

数据手册

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V48B3V3C100B3 数据手册

CONTROL FUNCTIONS - PC PIN

Module Enable/Disable

Module Alarm

The module may be disabled by pulling PC below 2.3 V 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 5.7 V, PC can source up to 1.5 mA. In the example shown

in Figure 3, PC powers a module enabled LED.

Input Undervoltage

Input Overvoltage (See Note 1)

+OUT

+IN

Overtemperature

Module Faults

Auto

+In

+Out

Restart

SW1

–S

2-20 ms typ.

50 Ω

–S

f (V

)

SW1, 2, & 3

shown in

1 K

6 K

SW2

SW3

1 M

"Fault" position

Disable

–In

5.7 Vdc

–IN

(0-3 mA)

1.23

Vdc

– OUT

–Out

Disable = PC <2.3V

Not applicable for 300 Vdc input family

Figure 1 — Module enable/disable.

Figure 2 — PC/SC module alarm logic.

+In

+Out

Fault

40 μs typ.

5.7 V

–S

4kΩ

"Module

–In

Enabled"

1.23 V

2–20 ms typical

–Out

Figure 3 — LED on-state indicator.

Figure 4 — PC/SC module alarm timing.

Optocoupler

+In

+Out

–S

4 kΩ

Alarm

–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

48V Mini Family

Rev. 7.4a

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