TTP933 Datasheet 1.5A LED Driver

Manufacturer: TONTEK

Overview: Preliminary TTP933 1.5A LED Driver with internal switch 2013/08/23 Page 1—25 Ver. 1.2 Preliminary TTP933 .

Datasheet Details

Part number	TTP933
Manufacturer	TONTEK
File Size	1.18 MB
Description	1.5A LED Driver
Datasheet	TTP933-TONTEK.pdf

General Description

TTP933 is a high efficiency , constant current , continuous mode inductive step-down converter, designed for driving constant current to high power (single or multiple) LED with only 4 external components.

TTP933 operates from input supply between 5V and 33V and provides an externally adjustable output current of up to 1.5A.

The TTP933 is specifically designed with PFM control to enhance the efficiency up to 97%.

Key Features

1.5A output current Wide input voltage range: 5V to 33V High efficiency (up to 97%) Internal NDMOS power switch Single pin on/off and brightness control using PWM Hysteretic PFM improves efficiency at light loads With Thermal/Soft start /LED open-short detect protection Only 4 External Components Up to 1Mhz switching frequency Typical 3% output current accuracy .

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