Datasheet Details
| Part number | RT4503 |
|---|---|
| Manufacturer | Richtek Technology |
| File Size | 266.31 KB |
| Description | Asynchronous Boost Converter |
| Datasheet |
 RT4503 Datasheet
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General Description
The RT4503/A is a highly integrated LED driver IC capable of driving 10 WLEDs in series.
It is composed of a current mode Boost converter integrated with a 36V/1.2A power switch.
The RT4503/A supports a wide input voltage range from 2.5V to 5.5V and runs at a fixed frequency of 550kHz.
Key Features
- 2.5V to 5.5V Input Voltage Range.
- 36V Open LED Protection for 10 WLEDs.
- Pulse Dimming Brightness Control.
- 200mV Reference Voltage with ±2% Accuracy.
- 550kHz Switching Frequency.
- Built-In Soft-Start.
- Over-Temperature Protection.
- Internal Compensation.
- Current Limit Ordering Information RT4503/A Package Type QW : WDFN-6L 2x2 (W-Type) Lead Plating System G : Green (Halogen Free and Pb Free) Note : RT4503 : PWM Dimming RT4503A : Pulse Dimming Richt.