STMicroelectronics EVALHVLED815W10 and EVALHVLED815W15 Evaluation Board for the Offline LED Driver with Primary-Sensing and High Power Fact EVALHVLED815W10 Hoja De Datos
Los códigos de productos
EVALHVLED815W10
Principle app
lica
tion circ
tion circ
uit
and
and
b
lo
ck
diagr
diagr
a
m
H
VLED81
5PF
6
/34
DocID02
3409
Rev 5
1.2 Block
diagram
Figure 3. Block diagram
3.3 V
DMG
SOURCE
+ VIN
Vref
DRAIN
DRIVING
LOGIC
COMP
DEMAG
LOGIC
GND
ILED
PROTECTION &
FEEDFORWARD
LOGIC
VILED
1 V
HV start-up &
Supply Logic
Supply Logic
R
FB
R
DMG
R
SENSE
R
COMP
C
COMP
C
LED
VCC
CS
Constant Voltage
Regulation
OCP
CONSTANT
CURRENT
REGULATION
Vref
LED
R
PF
R
OS
R
A
R
1
VCS
AM13209v1