Product Summary

The LT1768IGN#TR is designed to control single or multiple cold cathode fluorescent lamp (CCFL) displays. The LT1768IGN#TR can detect and protect against lamp failures and overvoltage start-up conditions. The LT1768IGN#TR is designed to provide maximum flexibility with a minimum number of external components. Applications of the LT1768IGN#TR include: Desktop Flat Panel Displays, Multiple Lamp Displays, Notebook LCD Displays, Point of Sale Terminal Displays.

Parametrics

LT1768IGN#TR absolute maximum ratings: (1)Input Voltage (Vin Pin) : 28V; (2) SHDN Pin Voltage: 28V; (3) FAULT Pin Voltage: 28V; (4) PROG Pin Voltage: 5.5V; (5) PWM Pin Voltage: 4.5V;(6) Ct Pin Voltage: 4.5V; (7) SENSE Pin Voltage: 1V; (8) DIO1, DIO2 Input Current: ±50mA; (9) Rmax Pin Source Current: 750μA; (10) Rmin Pin Source Current: 750μA;(11) Vref Pin Source Current: 10mA; (12) Operating Junction Temperature Range: -40°C to 125°C; (13) Storage Temperature Range: 65°C to 150°C; (14) Lead Temperature (Soldering 10 sec) : 300°C.

Features

LT1768IGN#TR features: (1) Ultrawide Multimode Dimming Range; (2) Multiple Lamp Capability; (3) Programmable PWM Dimming Range and Frequency; (4) Precision Maximum and Minimum Lamp Currents Maximize Lamp Lifetime; (5)No Lamp Flicker Under All Supply and Load Conditions; (6) Open Lamp Detection and Protection; (7) 350kHz Switching Frequency; (8) 1.5A MOSFET Gate Driver; (9) 100mV Current Sense Threshold; (10) 5V Reference Voltage Output; (11)The 16-Lead SSOP Package.

Diagrams

LT1768IGN#TR Pin Configuration

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
LT1768IGN#TR
LT1768IGN#TR


IC CTRLR CCFL SGL/MULT HP 16SSOP

Data Sheet

0-2500: $2.85
LT1768IGN#TRPBF
LT1768IGN#TRPBF


IC CTRLR CCFL SGL/MULT HP 16SSOP

Data Sheet

0-2500: $2.79