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CAT3644HV3-T2 from CATALYST

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CAT3644HV3-T2

Manufacturer: CATALYST

4-Channel Ultra High Efficiency Quad-Mode TM LED Driver

Partnumber Manufacturer Quantity Availability
CAT3644HV3-T2,CAT3644HV3T2 CATALYST 900 In Stock

Description and Introduction

4-Channel Ultra High Efficiency Quad-Mode TM LED Driver The CAT3644HV3-T2 is a high-efficiency, quad-mode LED charge pump manufactured by CATALYST SEMICONDUCTOR (now part of ON Semiconductor). Here are its key specifications:

1. **Input Voltage Range**: 2.7V to 5.5V  
2. **Output Current**: Up to 30mA per LED (4 LEDs total)  
3. **Efficiency**: Up to 92%  
4. **Operating Modes**: 1x, 1.5x, 2x, and fractional charge pump modes for optimized efficiency  
5. **Dimming Control**: PWM and analog dimming support  
6. **Package**: 12-pin TDFN (3mm x 3mm)  
7. **Switching Frequency**: 1MHz typical  
8. **Features**: Over-voltage protection, thermal shutdown, and soft-start  
9. **Applications**: Backlighting for LCD displays, portable electronics  

For exact details, refer to the official datasheet from ON Semiconductor.

Partnumber Manufacturer Quantity Availability
CAT3644HV3-T2,CAT3644HV3T2 CAT 341 In Stock

Description and Introduction

4-Channel Ultra High Efficiency Quad-Mode TM LED Driver The CAT3644HV3-T2 is a high-efficiency, quad-mode LED charge pump manufactured by ON Semiconductor. It is designed to drive up to four LEDs in parallel with a constant current. Key specifications include:

- **Input Voltage Range**: 2.7V to 5.5V  
- **LED Current**: Up to 30mA per LED (adjustable via external resistor)  
- **Efficiency**: Up to 92%  
- **Operating Modes**: 1x, 1.5x, 2x, and fractional charge pump modes for optimal efficiency  
- **PWM Dimming**: Supports up to 50kHz frequency  
- **Package**: 12-pin TDFN (3mm x 3mm)  
- **Features**: Over-voltage protection, thermal shutdown, and soft-start  

This device is commonly used in portable electronics for backlighting applications.

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