TTP117 - TONTEK

TTP117 TOUCH DIMMER

The TTP117 is a touch detector IC for the LED lightings with NMOS application. The dimmer function controls by PWM output. It has high frequency for PWM output. FEATURES ƒ Operating voltage typical 5.0V ƒ Operating current @VDD=5.0V, 25 no load <500uA ƒ Higher frequency 2.2KHz PWM output. ƒ Support two option pin to select 4 type dimmer modes. (1). 3 steps d.

Features

ƒ Operating voltage typical 5.0V ƒ Operating current @VDD=5.0V, 25 no load <500uA ƒ Higher frequency 2.2KHz PWM output. ƒ Support two option pin to select 4 type dimmer modes. (1). 3 steps dimmer initial OFF. OPT2=0, OPT1=1 (2). 4 steps dimmer initial OFF. OPT2=1, OPT1=0 (3). 3 steps dimmer initial ON (6%). OPT2=0, OPT1=0 (4). Toggle ON / OFF initial OFF. OPT2=1, OPT1=1 ƒ TTP117 PWM output active high control NMOS. ƒ Two input dimmer modes: touch plate and switch ƒ The application circuit is simple and easy. ƒ Can use wire to connect the IC to touch plate. APPLICATION ƒ LED LAMP ƒ For PWM con.