BLOCK DIAGRAM
VDD
6
OB5269
High Voltage Green Mode PWM Controller
RT 1
HV 8
Vth_ovp
Vth_otp
Internal supply
RQ
Latch
Logic
Control
Soft
Driver
Soft Start
Ktec 5 GATE
CS Float
HV
LDO
star
t
to UVLO
PORb
l OVP
On-Bright Confidentia Clamp
S
Burst
mode
OSC
Extended
Burst mode
CPL
Vth
OCP
Slope
compensation
LEB
PWM
Comparator
R
Debounce
OLP
R
4
GND
3 CS
5V
2 FB
©On-Bright Electronics
Confidential
-4-
Preliminary Datasheet
OB_DOC_DS_526902