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CAT3644HV3-GT2 from CATALYST

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CAT3644HV3-GT2

Manufacturer: CATALYST

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

Partnumber Manufacturer Quantity Availability
CAT3644HV3-GT2,CAT3644HV3GT2 CATALYST 4000 In Stock

Description and Introduction

4-Channel Ultra High Efficiency Quad-Mode? LED Driver The CAT3644HV3-GT2 is a high-efficiency, quad-mode LED charge pump manufactured by **CATALYST SEMICONDUCTOR** (now part of ON Semiconductor).  

### Key Specifications:  
- **Input Voltage Range**: 2.7V to 5.5V  
- **Output Current**: Up to 30mA per LED (4 LEDs total)  
- **Efficiency**: Up to 92% (1x mode)  
- **Operating Modes**: 1x, 1.5x, 2x, and fractional (for optimized efficiency)  
- **Dimming Control**: PWM or analog (via external resistor)  
- **Package**: 12-pin TDFN (3mm x 3mm)  
- **Switching Frequency**: ~1MHz  
- **Features**: Over-temperature protection, soft-start, low-noise operation  

This IC is designed for **backlighting in portable electronics** (e.g., smartphones, tablets).  

For exact details, refer to the official datasheet from ON Semiconductor (since they acquired Catalyst).

Partnumber Manufacturer Quantity Availability
CAT3644HV3-GT2,CAT3644HV3GT2 ON 15000 In Stock

Description and Introduction

4-Channel Ultra High Efficiency Quad-Mode? LED Driver The CAT3644HV3-GT2 is a high-efficiency, quad-mode LED charge pump manufactured by ON Semiconductor. Key specifications include:

- **Input Voltage Range**: 2.7V to 5.5V  
- **Output Current**: Up to 30mA per LED (4 LEDs total)  
- **Efficiency**: Up to 92%  
- **Switching Frequency**: 1MHz  
- **Dimming Control**: 1-Wire digital interface or PWM  
- **Package**: 12-pin TDFN (3mm x 3mm)  
- **Operating Temperature Range**: -40°C to +85°C  
- **Features**: Automatic mode switching, low noise, over-temperature protection  

This device is designed for driving LEDs in portable applications.

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