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MC34165P from MOT,Motorola

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MC34165P

Manufacturer: MOT

V(cc): 65V; 70mA; ; power switching regulator

Partnumber Manufacturer Quantity Availability
MC34165P MOT 53 In Stock

Description and Introduction

V(cc): 65V; 70mA; ; power switching regulator The MC34165P is a power supply controller manufactured by Motorola (now part of ON Semiconductor). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Manufacturer:**  
- **MOT** (Motorola Semiconductor, now part of ON Semiconductor)  

### **Specifications:**  
- **Type:** High Voltage Power Supply Controller  
- **Package:** PDIP-8 (Plastic Dual In-Line Package, 8-pin)  
- **Input Voltage Range:** Up to 30V  
- **Switching Frequency:** Adjustable (typically up to 100kHz)  
- **Output Drive Capability:** Directly drives power MOSFETs or bipolar transistors  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- The MC34165P is designed for offline and DC-DC converter applications.  
- It provides pulse-width modulation (PWM) control for power supply circuits.  
- Includes features for overvoltage protection, undervoltage lockout (UVLO), and soft-start capability.  

### **Features:**  
- **High Voltage Startup Circuit:** Reduces external component count.  
- **Programmable Oscillator:** Allows adjustable switching frequency.  
- **Current Limiting & Short-Circuit Protection:** Enhances system reliability.  
- **Soft-Start Function:** Prevents excessive inrush current.  
- **Low Standby Power Consumption:** Improves efficiency.  

This information is based solely on the available technical documentation for the MC34165P.

Application Scenarios & Design Considerations

V(cc): 65V; 70mA; ; power switching regulator

Alternative Part Number

  • SG3524N --: Industry-standard PWM controller in a DIP-16 package with similar regulation and oscillator functions, widely available and well documented as a substitute in many designs.
  • TL494CN --: Very common fixed-frequency PWM control IC in DIP-16, offering comparable voltage-mode control features and broad availability for replacement designs.
  • UC3842AN --: Popular current-mode PWM controller in DIP-8 that can replace the control function in many switching regulator circuits, with extensive application support.

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