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UPSL1630 Datasheet, PDF (3/7 Pages) Unisonic Technologies – PSR, SINGLE STAGE, AC-DC LED DRIVER WITH ACTIVE
UPSL1630
Preliminary
 BLOCK DIAGRAM
STP
5
VDD 7
Regulator Por
& Vref
Logic
core
Drive
1 DRV
TM 3
+
-
19V
OVP
Tdemag
detector
DSEN 6
+
0.2V -
-
3.2V +
SCP
OVP
LEB
2.2V
+
-
Current
regulation
8 CS
Constant
TOFF
Control
+
- 0.4V
4
COMP
2
GND
CMOS IC
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 7
QW-R502-A010.b