A8436EEJTR-T Allegro Microsystems Inc, A8436EEJTR-T Datasheet - Page 3

• 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
IGBTDRV
CHARGE
IGBTDRV
CHARGE
GND
Device Pin-out Diagrams
VIN
NC
GND
VIN
NC
1
2
3
4
5
CHARGE
TRIGGER
1
2
3
4
5
(Top Views)
DONE
Package EJ
Package LZ
ILIM
VIN
I
LIM
10
Decoder
10
9
8
7
6
9
8
7
6
ILIM
FB
DONE
TRIGGER
SW
ILIM
FB
DONE
TRIGGER
SW
IGBTDRV
V IN
Adjustable
Reference
Terminal List Table
Number
1.2 V
10
1
2
3
4
5
6
7
8
9
CMP3
Functional Block Diagram
CMP2
Photoflash Capacitor Charger with IGBT Driver
Comparator
Comparator
DCM
I
LIM
GND
TRIGGER
IGBTDRV
CHARGE
¯ D ¯ ¯ O ¯ ¯ N ¯ ¯ E ¯
Name
GND
ILIM
VIN
Enable
SW
NC
FB
H → L
Triggered Timer
18 µs
No connection
IGBT driver gate drive output
Power supply input
Device ground
Charging enable; set to low to power-off the A8436
Switch, internally connected to the DMOS power FET drain
Strobe signal input
Open drain, when pulled low by internal MOSFET, indicates that
charging target level has been reached
Output voltage feedback
Switch current limit setting; sets three discreet levels
Control Logic
S
R
SET
One-Shot
CLR
Q
Q
Q
Q
SET
CLR
S
R
Q
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Function
CMP1
40 V
DMOS
1.2 V
FB
SW
3