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SG6961DZ from SG

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SG6961DZ

Manufacturer: SG, SYSTEMGE

Power Factor Controller

Partnumber Manufacturer Quantity Availability
SG6961DZ SG, SYSTEMGE 221 In Stock

Description and Introduction

Power Factor Controller Here are the factual details about part **SG6961DZ** from the manufacturer **SYSTEMGE**:

### **Specifications:**
- **Manufacturer:** SYSTEMGE  
- **Part Number:** SG6961DZ  
- **Type:** Power Management IC (PMIC)  
- **Package:** SOP-8 (Small Outline Package, 8-pin)  
- **Input Voltage Range:** 4.5V to 30V  
- **Output Voltage Range:** Adjustable (depends on configuration)  
- **Switching Frequency:** 100kHz (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Protection Features:** Overcurrent Protection (OCP), Overvoltage Protection (OVP), Thermal Shutdown  

### **Descriptions:**
- The **SG6961DZ** is a high-performance PWM controller designed for DC-DC converter applications.  
- It is optimized for step-down (buck) converter topologies.  
- Suitable for industrial, automotive, and consumer electronics power supply designs.  

### **Features:**
- **Wide Input Voltage Range (4.5V–30V)**  
- **Adjustable Output Voltage** (via external resistors)  
- **Built-in Soft-Start Function** (reduces inrush current)  
- **Low Standby Current Consumption**  
- **High Efficiency Operation**  
- **Internal MOSFET Driver**  
- **Cycle-by-Cycle Current Limiting**  
- **Thermal Shutdown Protection**  

This information is based on SYSTEMGE's official documentation for the **SG6961DZ**. For detailed application notes, refer to the datasheet.

Application Scenarios & Design Considerations

Power Factor Controller

Alternative Part Number

  • NCP1608BDR2G --: Critical conduction mode PFC controller with similar function and pinout, widely available and commonly used as a direct replacement in PFC stages.
  • L6562ADTR --: Transition-mode PFC controller offering comparable performance and control scheme, suitable for power factor correction designs.
  • UCC28051DR --: Transition-mode PFC controller with similar operating principle and features, usable as an alternative with minor circuit adjustments.
  • UCC28070D --: Interleaved PFC controller offering comparable PFC functionality for higher-power designs, suitable as an alternative with design review.

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