Datasheet Details
| Part number | TTP932 |
|---|---|
| Manufacturer | TONTEK |
| File Size | 914.85 KB |
| Description | 1A LED Driver |
| Datasheet | TTP932-TONTEK.pdf |
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Overview: TTP932 1A LED Driver with internal switch Outline TTP932 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. TTP932 operates from input supply between 5V and 33V and provides an externally adjustable output current of up to 1A. The TTP932 is specifically designed with PFM control to enhance the efficiency up to 95% . 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. Additionally , to ensure the system reliability , TTP932 is built-in with over temperature protection, and LED open-circuit short-circuit protection to protect system from being damaged. Characteristic 1A output current Wide input voltage range：5V ～ 33V High efficiency（up to 95%） 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 Applications High power LED lighting Automotive LED lighting Low voltage industrial lighting LED back-up lighting Constant Current Source 2015/11/30 Page 1 of 21 Version：3.
| Part number | TTP932 |
|---|---|
| Manufacturer | TONTEK |
| File Size | 914.85 KB |
| Description | 1A LED Driver |
| Datasheet | TTP932-TONTEK.pdf |
|
|
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Pin name SW GND DIM ISEN VIN Pin Description Drain of NDMOS switch Ground pad Dimming control pad Connect resistor RS from this pin to VIN to define nominal average output current Power pad 2015/11/30 Page 2 of 21 Version：3.3 Application circuit TTP932 2015/11/30 Page 3 of 21 Version：3.3 Electrical Characteristics Absolute maximum ratings Parameter Supply Voltage Output Current Sustaining Voltage at
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