UPS1622 Datasheet, PDF (2/6 Pages) Unisonic Technologies – HIGH PERFORMANCE CURRENT MODE POWER SWITCH

UPS1622
„ PIN CONFIGURATION
GND 1
GND 2
FB 3
V_{CC 4}
LINEAR INTEGRATED CIRCUIT
8 Drain
7 Drain
6 _Drain
5 _Drain
„ PIN DESCRIPTION
PIN NO.
1、2
3
4
5~8
PIN NAME
GND
FB
V_CC
Drain
Ground
Feedback
Supply voltage
Power MOSFET drain
„ BLOCK DIAGRAM
VCC
4
DESCRIPTION
GND 1/2
FB 3
UVLO
Reference voltage
OVP
OTP
Burst
mode
Oscillator
R1=1K
Latch
SQ
RQ
PWM&OCP
COMP
Driver
LEB
0.23v
R2=230
Notes: OTP (Over Temperature Protection)
OVP (Over Voltage Protection)
OCP (Over Current Protection)
UVLO (Under Voltage Latch-Out)
LEB (Led Edge Blanking)
8 Drain
7 Drain
6 Drain
5 Drain
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 6
QW-R119-020.a