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LT3437HFE#PBF from LT

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LT3437HFE#PBF

Manufacturer: LT

High Voltage 500mA, 200kHz Step-Down Switching Regulator with 100碌A Quiescent Current

Partnumber Manufacturer Quantity Availability
LT3437HFE#PBF,LT3437HFEPBF LT 18 In Stock

Description and Introduction

High Voltage 500mA, 200kHz Step-Down Switching Regulator with 100碌A Quiescent Current The LT3437HFE#PBF is a high-efficiency, monolithic step-down switching regulator manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 3.5V to 60V  
- **Output Voltage Range:** 1.25V to 20V (adjustable)  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 200kHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to 125°C  
- **Package:** 16-Lead TSSOP (Exposed Pad)  

### **Descriptions:**  
- The LT3437HFE#PBF is a current-mode PWM buck converter with a wide input voltage range.  
- It features a low dropout operation, allowing it to maintain regulation even when the input voltage is close to the output voltage.  
- The device includes an internal NPN power switch and requires minimal external components.  

### **Features:**  
- **Wide Input Voltage Range (3.5V to 60V)**  
- **Adjustable Output Voltage**  
- **Low Quiescent Current (85µA in Shutdown)**  
- **Internal Soft-Start**  
- **Thermal Shutdown Protection**  
- **Short-Circuit Protection**  
- **Synchronous Rectification for Improved Efficiency**  

This regulator is suitable for industrial, automotive, and battery-powered applications requiring high efficiency and compact design.

Application Scenarios & Design Considerations

High Voltage 500mA, 200kHz Step-Down Switching Regulator with 100碌A Quiescent Current

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