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TPS64201DBVRG4 from TI,Texas Instruments

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TPS64201DBVRG4

Manufacturer: TI

Adjustable, up to 3A, 95% Efficient Step-Down Controller, 20uA, SOT-23 6-SOT-23 -40 to 85

Partnumber Manufacturer Quantity Availability
TPS64201DBVRG4 TI 92800 In Stock

Description and Introduction

Adjustable, up to 3A, 95% Efficient Step-Down Controller, 20uA, SOT-23 6-SOT-23 -40 to 85 The TPS64201DBVRG4 is a step-down (buck) DC-DC converter manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 2.7V to 6.5V  
- **Output Voltage Range:** Adjustable from 1.2V to 5.5V  
- **Output Current:** Up to 1.2A  
- **Switching Frequency:** 1.6MHz (typical)  
- **Efficiency:** Up to 95%  
- **Quiescent Current:** 17µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-5 (DBV)  

### **Descriptions:**
The TPS64201DBVRG4 is a high-efficiency, low-quiescent-current buck converter designed for battery-powered applications. It integrates a synchronous rectifier for improved efficiency and operates at a fixed frequency for predictable noise performance.  

### **Features:**
- **Low Quiescent Current:** Optimized for battery life in portable applications.  
- **Synchronous Rectification:** Improves efficiency and reduces external component count.  
- **Fixed-Frequency PWM Operation:** Ensures stable performance with low output ripple.  
- **100% Duty Cycle Mode:** Allows the input voltage to pass through when the battery is low.  
- **Thermal Shutdown & Overcurrent Protection:** Enhances reliability.  
- **Small Form Factor:** SOT-23-5 package saves board space.  

This device is suitable for applications such as portable electronics, IoT devices, and battery-powered systems.  

(Source: Texas Instruments Datasheet)

Application Scenarios & Design Considerations

Adjustable, up to 3A, 95% Efficient Step-Down Controller, 20uA, SOT-23 6-SOT-23 -40 to 85

Alternative Part Number

  • LTC3406ES5#TRPBF --: High-efficiency synchronous step-down converter in a small SOT-23 package, functionally similar to the TPS64201 and widely used as a drop-in alternative for low-power buck applications.
  • AP3211KTR-G1 --: 1A synchronous buck converter in SOT-23-6 with comparable input voltage range and switching behavior, offering a cost-effective alternative from a different series.
  • MP2359DJ-LF-Z --: 1.2A step-down converter in TSOT-23 with similar electrical characteristics and pin-compatible footprint, suitable as a third-source alternative.
  • TPS64200DBVR --: Same TPS6420x family step-down controller in SOT-23-6 with identical pinout and function; differs only in feedback threshold option, so it is a close drop-in with minor output voltage setting change.
  • AP3401DNTR-G1 --: Low-cost SOT-23-6 step-down converter with comparable input voltage and load current; a practical second-source option when TI parts are unavailable, with minor layout and compensation review needed.

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