a8439eej-t Allegro MicroSystems, Inc., a8439eej-t Datasheet - Page 8

• Manufacturer Part Number: a8439eej-t
• Description: A8439 Photoflash Capacitor Charger With Igbt Driver And Refresh
• Manufacturer: Allegro MicroSystems, Inc.

A8439
Performance Characteristics, continued
IGBT Drive waveforms are measured with R-C load (12 Ω, 6800 pF)
Conditions
Conditions
Symbol
Symbol
C2
C3
C2
C3
t
t
Parameter Units/Division
Parameter
Parameter Units/Division
Parameter
V
V
V
V
TRIGGER
C
TRIGGER
C
IGBTDRV
IGBTDRV
R
R
time
time
LOAD
LOAD
t
t
gate
gate
Dr
t
Df
t
r
f
Photoflash Capacitor Charger with IGBT Driver and Refresh
Rising Signal
Falling Signal
22.881 ns
63.125 ns
27.427 ns
65.529 ns
6800 pF
6800 pF
Value
Value
50 ns
50 ns
12 Ω
12 Ω
1 V
1 V
1 V
1 V
C2
C3
C2
C3
IGBT Drive Performance
t
r
t
t
t
f
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
V
V
V
V
IGBTDRV
TRIGGER
IGBTDRV
TRIGGER
8