PT5615

V1.0

3

August 2010

ORDER INFORMATION

Valid Part Number

Package Type

Top Code

PT5615-S

16 Pins, SOP, 150mil

PT5615-S

PT5615-D

16 Pins, DIP, 300mil

PT5615-D

PIN DESCRIPTION

PIN DESCRIPTION

Pin Name

Description

Pin No.

VDD

IC power supply

1

GND

System ground

2

SD

Low side filament sensing and shut-down control

3

RF

Internal current bias control, connecting a external resistor (68K, typ.) to

GND

4

RP

Preheat frequent setting

5

CP

Preheat time setting

6

CT

Capacitor of the RC oscillator

7

RT

Resistor of the RC oscillator

8

EOL1

End-of-life sensing for Lamp1

9

EOL2

End-of-life sensing for Lamp2

10

HSFL

High side filament sensing

11

CS

Half-bridge current sensing

12

LO

Low side gate driver

13

VS

High side driver floating ground

14

HO

High side gate driver

15

VB

High side driver floating supply

16