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LT3437EFE from LT

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LT3437EFE

Manufacturer: LT

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

Partnumber Manufacturer Quantity Availability
LT3437EFE LT 1975 In Stock

Description and Introduction

High Voltage 500mA, 200kHz Step-Down Switching Regulator with 100?A Quiescent Current The LT3437EFE 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 2.5A  
- **Switching Frequency:** 200kHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Lead TSSOP (Exposed Pad)  
- **Features:**  
  - Wide input voltage range  
  - Low dropout operation (100% duty cycle)  
  - Adjustable soft-start  
  - Current mode control for improved transient response  
  - Shutdown current <1µA  
  - Thermal shutdown protection  
  - Short-circuit protection  

### **Description:**  
The LT3437EFE is designed for high voltage applications requiring efficient power conversion. It integrates a high-side switch and control circuitry, making it suitable for automotive, industrial, and telecom applications.  

### **Features:**  
- **High Voltage Operation:** Supports up to 60V input.  
- **Adjustable Output:** Set via external resistors.  
- **Low Quiescent Current:** 100µA in standby mode.  
- **Thermal Protection:** Prevents overheating.  
- **Compact Package:** TSSOP-16 with exposed pad for thermal management.  

This regulator is ideal for applications requiring robust, high-efficiency power conversion.

Application Scenarios & Design Considerations

High Voltage 500mA, 200kHz Step-Down Switching Regulator with 100?A Quiescent Current
Partnumber Manufacturer Quantity Availability
LT3437EFE LINEAR 1800 In Stock

Description and Introduction

High Voltage 500mA, 200kHz Step-Down Switching Regulator with 100?A Quiescent Current The LT3437EFE is a step-down switching regulator manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 3.5V to 60V  
- **Output Voltage Range:** 1.25V to 20V (adjustable)  
- **Output Current:** Up to 2.5A  
- **Switching Frequency:** 200kHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Lead TSSOP (Exposed Pad)  

### **Descriptions:**  
- The LT3437EFE is a high-voltage, high-current step-down DC/DC converter.  
- It features a built-in NPN power switch for efficient power conversion.  
- Designed for applications requiring wide input voltage ranges and high output currents.  
- Includes internal soft-start and thermal shutdown protection.  

### **Features:**  
- **Wide Input Range:** Supports 3.5V to 60V input.  
- **Adjustable Output:** Configurable from 1.25V to 20V.  
- **High Efficiency:** Up to 90% efficiency with minimal external components.  
- **Internal Power Switch:** Integrated 2.5A NPN switch.  
- **Protection Features:** Thermal shutdown and current limiting.  
- **Low Dropout Operation:** Maintains regulation with low input-output differentials.  
- **Soft-Start:** Reduces inrush current during startup.  

This regulator is commonly used in automotive, industrial, and telecom applications requiring robust power conversion.

Application Scenarios & Design Considerations

High Voltage 500mA, 200kHz Step-Down Switching Regulator with 100?A Quiescent Current
Partnumber Manufacturer Quantity Availability
LT3437EFE LT 1889 In Stock

Description and Introduction

High Voltage 500mA, 200kHz Step-Down Switching Regulator with 100?A Quiescent Current The LT3437EFE 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:** Adjustable from 1.25V to 20V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 200kHz  
- **Efficiency:** Up to 90%  
- **Quiescent Current:** 100µA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Lead TSSOP (Exposed Pad)  

### **Descriptions and Features:**  
- **High Voltage Operation:** Supports input voltages up to 60V.  
- **Adjustable Output Voltage:** Set via an external resistor divider.  
- **Low Quiescent Current:** Enhances efficiency in light-load conditions.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Current Mode Control:** Provides fast transient response and stable operation.  
- **Wide Temperature Range:** Suitable for industrial and automotive applications.  
- **Compact Package:** TSSOP-16 with an exposed pad for improved thermal performance.  

This regulator is commonly used in automotive, industrial, and battery-powered applications requiring high input voltage and efficient power conversion.

Application Scenarios & Design Considerations

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

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