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TPS62103D from TI,Texas Instruments

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TPS62103D

Manufacturer: TI, BB, TI/BB

Multimode 2MHz Synchronous Buck Converter with Adjustable Output

Partnumber Manufacturer Quantity Availability
TPS62103D TI, BB, TI/BB 76 In Stock

Description and Introduction

Multimode 2MHz Synchronous Buck Converter with Adjustable Output The TPS62103D is a step-down (buck) DC-DC converter manufactured by Texas Instruments (TI). Below are the specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Input Voltage Range:** 3 V to 17 V  
- **Output Voltage Range:** Adjustable from 0.9 V to 6 V  
- **Output Current:** Up to 500 mA  
- **Switching Frequency:** 1.25 MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC (D)  

### **Descriptions:**  
The TPS62103D is a high-efficiency, synchronous step-down DC-DC converter designed for low-power applications. It integrates a power switch and synchronous rectifier, eliminating the need for an external Schottky diode. The device operates in PWM mode at higher loads and automatically switches to power-save mode at light loads for improved efficiency.  

### **Features:**  
- **High Efficiency:** Up to 95% efficiency due to synchronous rectification.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Low Quiescent Current:** 17 µA (typical) in power-save mode.  
- **100% Duty Cycle Mode:** Supports low dropout operation.  
- **Soft-Start:** Reduces inrush current during startup.  
- **Thermal Shutdown:** Protects the device from overheating.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low input voltage conditions.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Multimode 2MHz Synchronous Buck Converter with Adjustable Output

Alternative Part Number

  • LTC3406ES5#PBF --: Pin-compatible-class synchronous buck converter with similar input range and output current, well-established alternative to the TPS62103.
  • AP3402KTR-G1 --: Low-cost synchronous step-down converter with comparable 2A output and wide input range, suitable drop-in replacement in many designs.
  • MP1584EN-LF-Z --: Widely available 3A step-down converter with similar voltage range and compact footprint, commonly used as a TPS62103 substitute.
  • LM3671MF-3.3 --: Pin-compatible step-down DC-DC converter with similar input range and 3.3V fixed output, widely available and often used as a drop-in replacement.
  • AP3211KTR-G1 --: 1A synchronous buck converter in a similar package with comparable input voltage and output current ratings, suitable for the same applications.
  • MP2359DJ-LF-Z --: Compact 1.2A step-down converter with similar electrical characteristics and SOT-23 package, offering a cost-effective alternative.
  • TPS62102D --: Same TPS6210x family buck converter with identical pinout and package, differing only in fixed output voltage option, making it a drop-in substitute for many designs.
  • LM2672M-ADJ --: Simple Switcher step-down regulator with comparable input range and current capability, widely available and suitable as a functional replacement with minor external component changes.
  • MP1584EN --: Low-cost 3A step-down converter in a different series with similar input voltage range and adjustable output, usable as an alternative with layout and component value adjustments.

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