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TPS62223DDCT from TI,Texas Instruments

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TPS62223DDCT

Manufacturer: TI

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

Partnumber Manufacturer Quantity Availability
TPS62223DDCT TI 108 In Stock

Description and Introduction

2.3-V Output, 400-mA, 95% Efficient Step-Down Converter, 15uA, ThinSOT-23 The TPS62223DDCT is a step-down DC-DC converter manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 2.5V to 6V  
- **Output Voltage Range:** Adjustable from 0.7V to VIN  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 2.25MHz (typical)  
- **Efficiency:** Up to 95%  
- **Quiescent Current:** 17µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-6 (DDC)  

### **Descriptions:**  
The TPS62223DDCT is a high-efficiency, synchronous step-down DC-DC converter designed for battery-powered applications. It operates at a fixed switching frequency of 2.25MHz, enabling the use of small external components. The device supports automatic power-save mode for improved efficiency at light loads.  

### **Features:**  
- **Synchronous Rectification:** Improves efficiency and reduces power loss.  
- **Power-Save Mode:** Enhances light-load efficiency.  
- **100% Duty Cycle Operation:** Allows lowest dropout voltage.  
- **Soft-Start Function:** Prevents inrush current at startup.  
- **Thermal Shutdown Protection:** Safeguards the device from overheating.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low input voltage conditions.  

This converter is commonly used in portable electronics, wireless devices, and battery-powered applications.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • AP3211KTR-G1 --: 1A synchronous step-down converter in SOT-23-5 with similar input range and fixed output options; pin-compatible footprint and widely available.
  • MP2143DJ-LF-Z --: 3A synchronous buck converter in TSOT-23-5 with high efficiency at light load, suitable drop-in replacement for 2A-class step-down designs.
  • RT8059GJ5 --: 1A synchronous step-down converter in TSOT-23-5 with 1.5MHz switching, matching the compact size and low-current rail requirements of the original.

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