PT6903
ORDER INFORMATION
Valid Part Number
PT6903-S
Package Type
8 Pins, SOP, 150 MIL
5 Pins, TO252
Top Code
PT6903-S
PT6903
PT6903
PIN CONFIGURATION
8 PINS, SOP
5 PINS, TO252
PIN DESCRIPTION
Pin No.
Pin Name
Description
SOP-8
TO252
RT
CS
GND
SW
Fixed off-time setting resistor
LED string current sense
Ground
1
2
3
4
5
6
7
8
1
2
3
4
5
Internal switch
VIN
Positive input supply voltage
PWMD dimming & enable input
Internal regulated voltage
Linear dimming
PWMD
VDD
LD
V1.1
3