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SG2525AJ from LINFINITY

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SG2525AJ

Manufacturer: LINFINITY, SG

REGULATING PULSE WIDTH MODULATOR
Partnumber Manufacturer Quantity Availability
SG2525AJ LINFINITY, SG 543 In Stock

Description and Introduction

REGULATING PULSE WIDTH MODULATOR The part **SG2525AJ** is manufactured by **LINFINITY**. Below are the specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Type:** Pulse Width Modulation (PWM) Controller IC  
- **Package:** DIP-16 (Dual In-line Package)  
- **Operating Voltage Range:** 8V to 35V  
- **Output Current:** Up to 500mA (sink/source)  
- **Switching Frequency:** Adjustable (typically up to 500kHz)  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Gain Bandwidth:** 1MHz  
- **Soft-Start Function:** Adjustable  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- The **SG2525AJ** is a high-performance PWM controller designed for power supply applications.  
- It features improved precision and stability for voltage regulation.  
- Includes built-in error amplifiers, a programmable oscillator, and dead-time control.  
- Suitable for DC-DC converters, inverters, and SMPS (Switched-Mode Power Supplies).  

### **Features:**  
- **Precision Reference Voltage:** 5.1V (±1%)  
- **Adjustable Dead-Time Control**  
- **Synchronization Capability**  
- **Under-Voltage Lockout (UVLO)**  
- **Dual Alternating Outputs** (for push-pull or half-bridge configurations)  
- **Low Standby Current**  

For exact datasheet details, refer to **LINFINITY's official documentation**.

Application Scenarios & Design Considerations

REGULATING PULSE WIDTH MODULATOR

Alternative Part Number

  • UC3525AN --: Industry-standard regulating pulse width modulator with the same function and pinout as the SG2525A, widely available and well documented.
  • SG3525AN --: Direct functional equivalent from a different series prefix, offering the same PWM controller features and compatibility.
  • TL494CN --: General-purpose PWM controller that can substitute in many designs with minor circuit adjustments, from a clearly different series.
  • UC3525AJ --: Industry-standard pin-compatible PWM controller in the same 3525 family, widely available and functionally equivalent to the SG2525AJ.
  • TL494CJ --: General-purpose PWM controller with similar voltage-mode regulation function; requires minor circuit adjustment but is a common, low-cost substitute.
  • MC34025P --: Comparable PWM controller IC with similar drive and oscillator features, suitable as a functional replacement when layout allows package differences.

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