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SG3525AP from STM,ST Microelectronics

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SG3525AP

Manufacturer: STM

REGULATING PULSE WIDTH MODULATORS

Partnumber Manufacturer Quantity Availability
SG3525AP STM 10000 In Stock

Description and Introduction

REGULATING PULSE WIDTH MODULATORS The SG3525AP is a pulse width modulation (PWM) controller IC manufactured by STMicroelectronics (STM). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Supply Voltage (VCC):** 8V to 35V  
- **Output Current (Sink/Source):** 200mA (peak)  
- **Oscillator Frequency Range:** 100Hz to 500kHz  
- **Duty Cycle Range:** 0% to 49% (adjustable)  
- **Reference Voltage (VREF):** 5.1V ±1%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** DIP-16  

### **Descriptions:**
- The SG3525AP is a fixed-frequency PWM controller designed for switching power supply applications.  
- It includes an on-chip 5.1V reference voltage regulator, error amplifier, oscillator, soft-start control, and PWM comparator.  
- It features dual alternating outputs suitable for push-pull or half-bridge converter topologies.  

### **Features:**
- **Adjustable Dead-Time Control:** Allows precise setting of dead time between outputs.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation only when supply voltage is sufficient.  
- **Sync Capability:** Allows synchronization with an external clock.  
- **Error Amplifier:** Provides feedback loop stability.  
- **Shutdown Pin:** Allows immediate disabling of outputs.  

These details are based on the manufacturer's datasheet for the SG3525AP from STMicroelectronics.

Application Scenarios & Design Considerations

REGULATING PULSE WIDTH MODULATORS

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