UPSR104G-AG6-R Datasheet, PDF (2/8 Pages) Unisonic Technologies – CMOS IC

UPSR104
 MARKING
Preliminary
 PIN CONFIGURATION
CMOS IC
 PIN DESCRIPTION
PIN NO.
1
2
3
4
5
6
PIN NAME
GND
GATE
CS
INV
COMP
V_DD
DESCRIPTION
Ground
Totem-pole gate drive output for power MOSFET.
Current sense input. Connected to MOSFET current sensing resistor node.
The voltage feedback from auxiliary winding. Connected to resistor divider from
auxiliary winding reflecting output voltage.
Loop Compensation for CV Stability
Power Supply
 BLOCK DIAGRAM
V_DD
6
Regulator Por
& Vref
Logic core
Drive
2 GATE
27.5V
OVP
Tdemag
CC
detector controller
INV ⁴
CV
2V
controller
Cable
compensation
5
COMP
1
GND
Softstart
LEB
3 CS
0.91V
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 8
QW-R103-113.a