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CAT3643HV2-T2 from Catalyst

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CAT3643HV2-T2

Manufacturer: Catalyst

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

Partnumber Manufacturer Quantity Availability
CAT3643HV2-T2,CAT3643HV2T2 Catalyst 49745 In Stock

Description and Introduction

3-Channel Ultra High Efficiency Quad-Mode TM LED Driver The CAT3643HV2-T2 is a high-efficiency, quad-mode LED charge pump manufactured by Catalyst Semiconductor (now part of ON Semiconductor).  

**Key Specifications:**  
- **Manufacturer:** Catalyst Semiconductor (ON Semiconductor)  
- **Part Number:** CAT3643HV2-T2  
- **Type:** LED Driver (Charge Pump)  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Current:** Up to 120mA (adjustable per LED)  
- **Number of LEDs Supported:** 3 or 4 (configurable)  
- **Efficiency:** Up to 92%  
- **Switching Frequency:** 1MHz  
- **Modes of Operation:** 1x, 1.5x, 2x, and fractional charge pump modes  
- **Package:** 12-pin TDFN (3x3mm)  
- **Features:** PWM dimming, low noise, over-temperature protection  
- **Applications:** Backlighting for LCD displays, portable electronics  

This information is based on the manufacturer's datasheet. For detailed technical specifications, refer to the official documentation.

Partnumber Manufacturer Quantity Availability
CAT3643HV2-T2,CAT3643HV2T2 CAT 732 In Stock

Description and Introduction

3-Channel Ultra High Efficiency Quad-Mode TM LED Driver The CAT3643HV2-T2 is a high-efficiency, quad-mode LED charge pump manufactured by ON Semiconductor (now part of onsemi).  

### **Key Specifications:**  
- **Manufacturer:** ON Semiconductor (onsemi)  
- **Part Number:** CAT3643HV2-T2  
- **Type:** Quad-Mode LED Charge Pump  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Current:** Up to 120mA total (30mA per LED channel)  
- **Number of Channels:** 4  
- **Efficiency:** Up to 92%  
- **Switching Frequency:** 1MHz (typical)  
- **Dimming Control:** I²C interface (16-step logarithmic dimming per channel)  
- **Package:** 12-pin TDFN (3mm x 3mm)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Features:**  
  - Automatic mode switching (1x, 1.5x, 2x charge pump modes)  
  - Low noise operation  
  - Short-circuit and thermal protection  

This device is designed for driving LEDs in portable applications such as smartphones, tablets, and handheld devices.  

(Note: Always refer to the official datasheet for the most accurate and detailed specifications.)

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