A8735EEETR-T Allegro Microsystems Inc, A8735EEETR-T Datasheet - Page 15

• Manufacturer Part Number: A8735EEETR-T
• Description: IC PHOTOFLASH CAP CHARGER 8DFN
• Manufacturer: Allegro Microsystems Inc

Specifications of A8735EEETR-T

• Applications: Photoflash Capacitor Charger, Xenon
• Current - Supply: 50µA
• Voltage - Supply: 1.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-UFDFN
• Ic Function: Capacitor Charger Controller
• Supply Voltage Range: 2.3V To 5.5V
• Operating Temperature Range: -40°C To +85°C
• Digital Ic Case Style: DFN
• No. Of Pins: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 620-1339-2

A8735
Recommended layout:
Schematic
Top side
Bottom side
Top components
CHARGE
DONE
0.1uF
C4
C5
1nF
2k
R10
Ultra Small Mobile Phone Xenon Photoflash
6
7
1
8
VBAT
VIN_DRV
DONE
CHARGE
VBAT
U1
A8735
Capacitor Charger with IGBT Driver
GATE
TRIG
GND
SW
10uF
TRIGGER
C2
5
3
2
4
2
1
C6
1nF
X2
TCE_T-16-024A
4
3
D1
1
Rg
12
BAV23S
TP_Gate
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
2
Vout
Cout1
100uF
15