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SG3526BN from SMC/LINFINIT

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SG3526BN

Manufacturer: SMC/LINFINIT, MSC, LINFINITY

REGULATING PULSE WIDTH MODULATOR

Partnumber Manufacturer Quantity Availability
SG3526BN SMC/LINFINIT, MSC, LINFINITY 3140 In Stock

Description and Introduction

REGULATING PULSE WIDTH MODULATOR The SG3526BN is a pulse width modulation (PWM) controller IC manufactured by Microsemi Corporation (MSC). Below are its key specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Microsemi Corporation (MSC)  
- **Type:** PWM Controller IC  
- **Package:** DIP (Dual In-line Package)  
- **Operating Voltage Range:** Typically 8V to 35V  
- **Output Current:** Up to 200mA (sink/source)  
- **Switching Frequency:** Adjustable, typically up to 500kHz  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Bandwidth:** Typically 1MHz  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The SG3526BN is a high-performance PWM controller designed for power supply and DC-DC converter applications. It provides precise voltage regulation and includes features such as soft-start, error amplification, and adjustable frequency operation.  

### **Features:**  
- **Adjustable Frequency:** Allows setting the switching frequency via external components.  
- **Soft-Start Function:** Prevents high inrush current during startup.  
- **Error Amplifier:** Ensures stable feedback control for voltage regulation.  
- **Dual Output Drivers:** Supports push-pull or single-ended configurations.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation within voltage limits.  
- **Current Limiting:** Protects against overcurrent conditions.  
- **Synchronization Capability:** Can be synchronized with an external clock signal.  

This information is strictly based on available data for the SG3526BN from Microsemi Corporation.

Application Scenarios & Design Considerations

REGULATING PULSE WIDTH MODULATOR

Alternative Part Number

  • UC3526AN --: Pin-compatible PWM controller from the UC3526 series with the same regulating function and DIP-16 package, widely available and a common drop-in replacement.
  • TL494CN --: Industry-standard PWM controller in DIP-16 with similar dual-output drive and voltage-mode control, usable in many SG3526 applications with minor circuit adjustment.
  • SG3525AN --: Voltage-mode PWM controller in DIP-16 from a different series, offering comparable oscillator and output drive characteristics for similar power supply designs.

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