A8436EEJTR-T Allegro Microsystems Inc, A8436EEJTR-T Datasheet - Page 5

• Manufacturer Part Number: A8436EEJTR-T
• Description: IC PHOTOFLASH CHARGER 10-MLP
• Manufacturer: Allegro Microsystems Inc

Specifications of A8436EEJTR-T

• Applications: Photoflash Capacitor Charger
• Current - Supply: 1.3mA
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-WFDFN Exposed Pad
• Input Voltage: 5.5V
• No. Of Outputs: 1
• Supply Voltage Range: 3V To 5.5V
• No. Of Pins: 10
• Operating Temperature Range: -40°C To +85°C
• Termination Type: SMD
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 620-1098-2

A8436
TRIGGER
IGBTDRV
CHARGE
Explanation of Events:
A.
B.
C. Start a new charging process with a low-to-high transition at the CHARGE pin.
D. Pull CHARGE to low, to put the controller in low-power standby mode.
E.
F.
DONE
V
VIN
SW
OUT
Start charging by pulling CHARGE to high, provided that V
Charging stops when V
completion of the charging process.
Charging does not start, because V
After V
required to start charging.
Target V
V
UVLO
OUT
IN
goes above V
A
Operation Timing Diagram
Photoflash Capacitor Charger with IGBT Driver
B
UVLO
OUT
reaches the target voltage. ¯ D ¯ ¯ O ¯ ¯ N ¯ ¯ E ¯ goes low, to signal the
, another low-to-high transition at the CHARGE pin is
IN
C
is below V
UVLO
D
level when CHARGE goes high.
IN
E
is above the V
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
F
UVLO
level.
5