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LM3532TMX-40A/NOPB from NS,National Semiconductor

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LM3532TMX-40A/NOPB

Manufacturer: NS

High Efficiency White LED Driver with Programmable Ambient Light Sensing Capability and I2C Compati 16-DSBGA -40 to 125

Partnumber Manufacturer Quantity Availability
LM3532TMX-40A/NOPB,LM3532TMX40ANOPB NS 42654 In Stock

Description and Introduction

High Efficiency White LED Driver with Programmable Ambient Light Sensing Capability and I2C Compati 16-DSBGA -40 to 125 The LM3532TMX-40A/NOPB is a high-efficiency LED driver manufactured by Texas Instruments (NS). Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Current:** Up to 40mA per channel (adjustable)  
- **Number of Channels:** 2  
- **Switching Frequency:** 1MHz (typical)  
- **Efficiency:** Up to 90%  
- **Dimming Control:** Analog and PWM dimming  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-pin WSON  

### **Descriptions:**  
The LM3532TMX-40A/NOPB is a dual-mode LED driver designed for backlighting applications in portable devices. It integrates two current sinks with high efficiency and supports both analog and PWM dimming for brightness control.  

### **Features:**  
- **Dual Independent Current Sinks:** Supports two LED strings.  
- **High Efficiency:** Up to 90% with integrated boost converter.  
- **Flexible Dimming:** Analog (0.3V to 1.25V) and PWM (up to 50kHz).  
- **Thermal Foldback Protection:** Prevents overheating.  
- **Low Shutdown Current:** <1µA in shutdown mode.  
- **Small Footprint:** 10-pin WSON package for space-constrained designs.  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

High Efficiency White LED Driver with Programmable Ambient Light Sensing Capability and I2C Compati 16-DSBGA -40 to 125

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