A704
ABSOLUTE MAXIMUM RATINGS (Note)
32V
Input Voltage, VDD
-20°C ~85°C
150℃
Operating temperature
Maximum Operating Junction Temperature, TJ
Storage Temperature Range
-65°C to 150°C
260°C
Lead Temperature (Soldering, 10 seconds)
Note: Exceeding these ratings could cause damage to the device. All voltages are with respect to Ground.
Currents are positive into, negative out of the specified terminal.
BLOCK DIAGRAM
Internal Bias
5
VDD
OVP@26V
UVLO 16V/8V
Driver
Duty Cycle Limit
PWM
OSC
Gate
CS
1
4
Latch
R
S
Q
3
2
EN
130/65kHz
LEB
＋
－
250ns
GND
0.5V
Comparator
PIN DESCRIPTION
Pin Function
Pin Name
Gate
GND
EN
Drives the gate of the external MOSFET.
Power Ground Pin.
Enable Pin.
CS
Current Sense Pin
VDD
Input Power Supply Pin and Over Voltage Protected Pin.
Contack Info:Samsun Zhang 13556850583 IC9898@163.com
Copyright © 2008 ADDtek Corp.
2
A704_V0.6 -- AUGUST 2008
ADDTEK [ ADDTEK CORP ]
