A8439 Datasheet, PDF (8/14 Pages) Allegro MicroSystems – Photoflash Capacitor Charger with IGBT Driver and Refresh

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