Datasheet > V24B28M200A3

V24B28M200A3

更新时间： 2023-08-15 00:00:00

品牌	Logo	应用领域
VICOR		/
页数	文件大小	规格书
4页	257K
描述
DC-DC Regulated Power Supply Module, 1 Output, 200W, Hybrid

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Specifications

General Specifications (See vicorpower.com for model specific data sheets)

PARAMETER

MIN

TYP

MAX

UNITS

NOTES

Input Characteristics

Undervoltage turn-on

24V

48V

300V

375V

24V

48V

300V

375V

17.5

34.9

174.6

242.5

15.3

17.9

35.7

178.2

247.5

Vdc

Undervoltage turn-off

14.74

29.4

147.4

204.7

36.3

30.5

152.8

212.2

37.8

Overvoltage turn-off/on 24V

39.6

82.5

48V

300V

375V

75.7

78.8

Not Included

446.3

429.2

467.5

Output Characteristics

Line regulation

Temperature regulation

Power sharing accuracy

0.02

0.002

0.20

0.005

%/°C

Low line to high line; full load

Over operating temperature range

10 to 100% of full load

For trimming below 90% of

nominal, a minimum load

may be required.

Programming range

110

% Vnom

Current limit

Short circuit current

115

% Iout

Output voltage 95% of nominal

Output voltage < 250mV

Isolation Characteristics

Complies with reinforced

insulation requirements

Complies with basic

insulation requirements

Complies with operational

insulation requirements

Isolation voltage (in to out)

3000

1550

500

Vrms

Isolation voltage (in to base)

Isolation voltage (out to base)

Isolation resistance (in to out)

Vrms

Megohms

RATING

UNIT

NOTES

Thermal Characteristics

Operating temperature (H-grade)

Storage temperature (H-grade)

Operating temperature (M-grade)

Storage temperature (M-grade)

Temperature limiting (typical)

-40 to +100

-55 to +125

-55 to +100

-65 to +125

115

°C

Baseplate

Environmental Stress Screening

See page 30 for details

Control Functions - PC Pin

+In

Module Enable/Disable. 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.

–In

Disable

Disable = PC <2.3V

Figure 1 – Module enable/disable

Input Undervoltage

Input Overvoltage

Overtemperature

Module Faults

+In

+Out

Auto

Restart

SW1

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 3.

–S

2-20ms typ.

50Ω

(V )

SW1, 2,

SW2

SW3

shown in

"Fault" position

5.7Vdc

(0-3mA)

–In

1.23

Vdc

–Out

Figure 2 – PC/SC module alarm logic

Fault

40µs typ.

5.7V

1.23V

2-20ms typ.

Figure 3 – PC/SC module alarm timing

123 4

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