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TPS61120 from TI,Texas Instruments

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TPS61120

Manufacturer: TI

Adjustable, 95% Efficient Boost Converter with 200-mA LDO for 1-Cell LiIon or Dual-Cell Applications

Partnumber Manufacturer Quantity Availability
TPS61120 TI 15 In Stock

Description and Introduction

Adjustable, 95% Efficient Boost Converter with 200-mA LDO for 1-Cell LiIon or Dual-Cell Applications The TPS61120 is a boost converter from Texas Instruments (TI) designed for driving white LEDs or similar applications.  

### **Key Specifications:**  
- **Input Voltage Range:** 2.5V to 6V  
- **Output Voltage:** Up to 22V  
- **Switching Frequency:** 1.2MHz (typical)  
- **Maximum Output Current:** 30mA (adjustable)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 6-pin SOT-23 (DBV)  

### **Descriptions and Features:**  
- **Boost Converter for LED Driving:** Designed to power up to 6 white LEDs in series.  
- **Adjustable Brightness:** Supports PWM dimming for brightness control.  
- **Integrated Power MOSFET:** Simplifies design and reduces external components.  
- **Low Quiescent Current:** ~1µA in shutdown mode for power savings.  
- **Overvoltage Protection (OVP):** Protects the device and LEDs from excessive voltage.  
- **Thermal Shutdown:** Prevents damage from overheating.  

This device is commonly used in backlighting applications for small LCD displays, portable electronics, and battery-powered systems.  

(Source: Texas Instruments datasheet for TPS61120.)

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