PT5621
ORDER INFORMATION
Valid Part Number
PT5621-D
Package Type
16 Pins, DIP, 300MIL
16 Pins, SOP, 150MIL
Top Code
PT5621-D
PT5621-S
PT5621-S
PIN CONFIGURATION
IN DESCRIPTION
Pin Name
Description
Pin No.
GND
CP
Ground
1
2
Preheat time and sweeping ignition control pin
Internal reference current bias setting pin, The pin’s voltage reference is
fixed at 1.5V. It connects to an external resistor to determine the internal
current reference, typical value is 75K
RF
3
Oscillator connects to an external resistor to determine the oscillating
frequency
Oscillator connects to an external capacitor to determine the oscillating
frequency
ROSC
COSC
4
5
Dimming level setting pin
The different output states of the CTR1& CTR2 make the voltage divider
consisting of external resistors output different voltage level to the DIM pin
and set different dimming level
CTR1, 2
6, 7
DIM
IL
Dimming input Pin
Lamp current sampling
8
9
NC
DATA0
10
This pin is shorted to GND
RIND
DATA1, 2
LO
Protection input pin
The Lives sensing pins
Low-side gate driver output
Power supply, operating voltage is 13V
High-side gate driver output
11
12, 13
14
15
16
VDD
HO
V1.0
3
PTC [ PRINCETON TECHNOLOGY CORP ]
