PT6911 Datasheet, PDF (3/4 Pages) Princeton Technology Corp – Wide Input Range Buck LED Driver

ORDER INFORMATION
Valid Part Number
PT6911-S
Package Type
8 Pins, SOP, 150MIL
PIN CONFIGURATION
PT6911
Top Code
PT6911-S
PIN DESCRIPTION
Pin Name
VIN
PWMD
NC
CS
LD
GND
GD
VDD
Description
Input supply voltage 8V-450V DC.
Low frequency PWM dimming pin, also enable pin. When PWMD pin is floating or is pulled to
GND, IC operates in stand-by mode. When PWMD pin is pulled to high, IC operates normally.
No connection.
Current sense pin.
Linear dimming. If the voltage at the LD pin is less than 1.2V, the LD pin voltage sets the
current sense threshold.
IC Ground.
IC output drives external MOSFET.
Internal regulated voltage output pin. It must be bypassed with a low ESR capacitor to GND.
Pin No.
1
2
3
4
5
6
7
8
PRE1.0
3
January 2010