A8438(2005) Просмотр технического описания (PDF) - Allegro MicroSystems

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Компоненты Описание

производитель

A8438
(Rev.:2005)

Photoflash Capacitor Charger with IGBT Driver

Allegro MicroSystems 

A8438 Photoflash Capacitor Charger with IGBT Driver

Performance Characteristics, continued

Tests performed using application circuit shown in figure 6 (unless otherwise noted)

IGBT Drive Performance

Rising Signal

tr

Symbol Parameter Units/Division

C2

VIGBTDRV

1V

C2

C3

VTRIGGER

1V

t

time

50 ns

Conditions Parameter

Value

tDr

22.881 ns

tr

63.125 ns

CLOAD

Rgate

6800 pF

12 Ω

C3

t

VIGBTDRV

VTRIGGER

Falling Signal

Symbol Parameter Units/Division

C2

VIGBTDRV

1V

C3

VTRIGGER

1V

t

time

50 ns

Conditions Parameter

Value

C2

tDf

tf

CLOAD

Rgate

27.427 ns

65.529 ns

6800 pF

12 Ω

C3

A8438-DS, Rev. 1

tf

VIGBTDRV

VTRIGGER

t

Allegro MicroSystems, Inc.

8

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

www.allegromicro.com

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