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LT1525AJ from LINEAR

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LT1525AJ

Manufacturer: LINEAR

Regulating Pulse Width Modulators

Partnumber Manufacturer Quantity Availability
LT1525AJ LINEAR 2530 In Stock

Description and Introduction

Regulating Pulse Width Modulators The LT1525AJ is a switching regulator controller manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Input Voltage Range:** 4V to 40V  
- **Output Voltage Range:** Adjustable (via external components)  
- **Switching Frequency:** 100kHz (fixed)  
- **Output Current:** Up to 5A (with external components)  
- **Duty Cycle Range:** 0% to 100%  
- **Reference Voltage:** 5V (for feedback regulation)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Pin PDIP (Plastic Dual In-Line Package)  

### **Descriptions:**  
- The LT1525AJ is a pulse-width modulation (PWM) controller designed for DC-DC converter applications.  
- It includes an onboard 5V reference, error amplifier, oscillator, PWM comparator, and output drivers.  
- Suitable for buck, boost, flyback, and forward converter topologies.  
- Features soft-start capability to reduce inrush current during startup.  

### **Features:**  
- **Wide Input Voltage Range (4V to 40V)**  
- **5V Precision Reference (±1% accuracy)**  
- **Adjustable Soft-Start Function**  
- **Under-Voltage Lockout (UVLO) Protection**  
- **Dual Output Drivers (Totem-Pole or Push-Pull Configurations)**  
- **Synchronizable Oscillator (for multi-phase operation)**  
- **Current-Limit Protection**  
- **Low Standby Current (typically 8mA)**  

The LT1525AJ is commonly used in power supply designs for industrial, automotive, and telecom applications.

Application Scenarios & Design Considerations

Regulating Pulse Width Modulators

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