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TPS62221DDCR from TI,Texas Instruments

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TPS62221DDCR

Manufacturer: TI

1.5-V Output, 400-mA, 95% Efficient Step-Down Converter, 15uA, ThinSOT-23

Partnumber Manufacturer Quantity Availability
TPS62221DDCR TI 582 In Stock

Description and Introduction

1.5-V Output, 400-mA, 95% Efficient Step-Down Converter, 15uA, ThinSOT-23 The TPS62221DDCR is a high-efficiency synchronous step-down DC-DC converter manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Input Voltage Range:** 2.5V to 6V  
- **Output Voltage Range:** Adjustable from 0.7V to VIN  
- **Output Current:** Up to 300mA  
- **Switching Frequency:** 2.25MHz (typical)  
- **Efficiency:** Up to 95%  
- **Quiescent Current:** 15µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-5 (DDC)  

### **Descriptions and Features:**  
- Ultra-small, low-power synchronous buck converter  
- Fixed-frequency PWM operation for low output voltage ripple  
- Power-save mode for improved efficiency at light loads  
- 100% duty cycle for lowest dropout operation  
- Internal soft-start to limit inrush current  
- Over-temperature protection  
- Short-circuit protection  

This device is commonly used in portable battery-powered applications such as smartphones, wearables, and IoT devices.

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