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M51997FP from MITSUBISHI

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M51997FP

Manufacturer: MITSUBISHI, MIT

SWITCHING REGULATOR CONTROL

Partnumber Manufacturer Quantity Availability
M51997FP MITSUBISHI, MIT 1062 In Stock

Description and Introduction

SWITCHING REGULATOR CONTROL The M51997FP is a power supply control IC manufactured by MITSUBISHI. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** MITSUBISHI  
- **Package:** SOP-16 (Small Outline Package, 16 pins)  
- **Function:** Power supply control IC  
- **Operating Voltage Range:** Typically used in switching power supply applications  
- **Switching Frequency:** Adjustable, often used in high-frequency designs  
- **Protection Features:** Includes overcurrent protection (OCP), overvoltage protection (OVP), and undervoltage lockout (UVLO)  
- **Control Method:** PWM (Pulse Width Modulation) control  

### **Descriptions:**  
- The M51997FP is designed for use in AC/DC and DC/DC converter applications.  
- It provides precise voltage regulation and fault protection for power supply circuits.  
- Suitable for flyback and forward converter topologies.  

### **Features:**  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Low Standby Power Consumption:** Enhances efficiency in standby mode.  
- **Adjustable Dead Time:** Allows optimization for different transformer designs.  
- **Error Amplifier:** Ensures stable feedback control.  
- **High Noise Immunity:** Robust against electrical noise in switching environments.  

This information is based solely on the available technical documentation for the M51997FP from MITSUBISHI.

Application Scenarios & Design Considerations

SWITCHING REGULATOR CONTROL

Alternative Part Number

  • MC34063AP --: Widely available DC-DC switching regulator controller in a DIP/SO package, functionally similar to the M51997 switching regulator controller and easy to source.
  • UC3842AN --: Industry-standard current-mode PWM controller used in similar power supply applications; different series and pinout, so verify circuit compatibility before substitution.
  • SG3524N --: Classic PWM regulator/controller IC offering comparable regulation functions; different naming and series, requiring pinout and parameter verification.

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