a8740 Allegro MicroSystems, Inc., a8740 Datasheet - Page 15

• Manufacturer Part Number: a8740
• Description: Ultra Small Mobile Phone Xenon Photoflash Capacitor Charger With Igbt Driver
• Manufacturer: Allegro MicroSystems, Inc.

A8740
Recommended Layout
Schematic
Top side
Bottom side
Top components
10 μF
V
C2
BAT
0.1 μF
C4
2 kΩ
R10
1 nF
C5
Ultra Small Mobile Phone Xenon Photoflash
6
7
1
8
VBAT
VIN_DRV
DONE
CHARGE
Capacitor Charger with IGBT Driver
A8740
GND
4
GATE
TRIG
SW
5
3
2
1 nF
C6
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
T1
12 Ω
RG
D1
VOUT
100 μF
COUT
15