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LM3554TMX/NOPB from TEXAS

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LM3554TMX/NOPB

Manufacturer: TEXAS

Synchronous Boost Converter with 1.2A Dual High Side LED Driver and I2C Compatible Interface 16-DSBGA -30 to 85

Partnumber Manufacturer Quantity Availability
LM3554TMX/NOPB,LM3554TMXNOPB TEXAS 6000 In Stock

Description and Introduction

Synchronous Boost Converter with 1.2A Dual High Side LED Driver and I2C Compatible Interface 16-DSBGA -30 to 85 The LM3554TMX/NOPB is a high-efficiency, dual-mode (1x/2x) charge pump LED driver manufactured by Texas Instruments.  

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Current:** Up to 1.2A (adjustable)  
- **Efficiency:** Up to 92%  
- **Switching Frequency:** 1MHz (typical)  
- **Number of LEDs Supported:** 1 or 2 (series-connected)  
- **Dimming Control:** Analog/PWM (up to 50kHz)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Pin WQFN (3mm x 3mm)  

### **Descriptions:**  
- Designed for driving high-current LEDs in camera flash and video light applications.  
- Supports automatic transition between 1x and 2x charge pump modes for optimal efficiency.  
- Includes thermal foldback and overvoltage protection.  

### **Features:**  
- Dual-mode charge pump (1x/2x) for high efficiency.  
- Adjustable output current via external resistor.  
- Integrated soft-start to limit inrush current.  
- Low shutdown current (<1µA).  
- Supports both analog and PWM dimming.  
- Thermal shutdown protection.  

This device is ideal for portable electronics requiring high-brightness LED illumination.

Application Scenarios & Design Considerations

Synchronous Boost Converter with 1.2A Dual High Side LED Driver and I2C Compatible Interface 16-DSBGA -30 to 85

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