TTP933 is a high efficiency, constant current, continuous mode inductive buck converter for
Drive high-power LEDs (single or multiple) that require constant current with only 4 external components.
The TTP933 operates from 5V to 33V and the externally adjustable output provides up to 1.5A.
The TTP933 is a controller designed for PFM with a conversion efficiency of up to 97%.
Output current can
Adjusted by an external resistor, and DIM can accept PWM waveform control, through DIM
The foot applies an external control signal for dimming.
In addition, in order to ensure the reliability of the system, TTP933 is built-in over-temperature protection, LED open circuit is short
Road protection to protect the system from damage.
— 1.5A output current
— Wide input voltage range: 5V to 33V
- High efficiency (up to 97%)
— Built-in NDMOS power switch
— PWM single-pin dimming control
— Hysteretic PFM, increased efficiency at light loads
— Temperature / Soft Start / LED Open / Short Detection Protection
- only 4 external components
— up to 1MHz switching frequency
— typical 3% output current accuracy
High power LED lighting
Automotive LED lighting
Low voltage lighting industry