Datasheet

Principle application circuit and block diagram HVLED815PF 4/34 DocID023409 Rev 5
1 Principle application circuit and block diagram
1.1 Principle application circuit
Figure 1. Application circuit for high power factor LED driver - single range input
Cin
C12
Cout Bulk
CS
RPF
Csnubber
T1
TRANSFORMER
4
5 6
3
1 10
2
7
9
8
Rsnubber
Snubber Diode
NA
Rdmg
R12
Minimum Load
D5
VIN
C_ILED (10uF)
Lf
Lf
Cf
Rf
RB
Rf
J1
CON1
VCC
J3
CON1
EMI FILTER
Rfb
Cf
CS DMG
CS
J2
CON1
J4
CON1
F1 1A_DIP
D4
U1
HVLED8xxPF
SOURCE
1
ILED
5
CS
2
GND
4
DMG
6
VCC
3
COMP
7
N.A.
8
DRAIN
13
DRAIN
14
DRAIN
15
DRAIN
16
DMG
Cf (330nF-680nF)
Rf (8k-15k)
C_Vcc (10uF MIN)
Cp (1n-10nF)
Outpout Diode
C10
Y1 - SAFETY
Vout
VCC
220pF-1nF
RA
R1 (500 - 1.5k)
C13
Cout SMD
ROS
COS Filter (1uF)
Cin
-
+
Bridge Diode
2 1
34
D2
1N4148
R-VCC (10-100ohm)
C_VCC (470nF)
VIN
Rsense
Rsense
Lin
AM13207v1