Datasheet

Principle application circuit and block diagram HVLED815PF 6/36 Doc ID 023409 Rev 4
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
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