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TTP933 - 1.5A LED Driver

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.

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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Datasheet preview – TTP933

Datasheet Details

Part number TTP933
Manufacturer TONTEK
File Size 1.18 MB
Description 1.5A LED Driver
Datasheet download datasheet TTP933 Datasheet
Additional preview pages of the TTP933 datasheet.

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Full PDF Text Transcription

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Preliminary TTP933 1.5A LED Driver with internal switch 2013/08/23 Page 1—25 Ver. 1.2 Preliminary TTP933 .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%. The Output current can be modify by an external resister , and can adjusted , by applying an external control signal to the DIM pin , The DIM pin will accept a PWM waveform.
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