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MC34065P-H from MOT,Motorola

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MC34065P-H

Manufacturer: MOT

HIGH PERFORMANCE DUAL CHANNEL CURRENT MODE CONTROLLERS

Partnumber Manufacturer Quantity Availability
MC34065P-H,MC34065PH MOT 1464 In Stock

Description and Introduction

HIGH PERFORMANCE DUAL CHANNEL CURRENT MODE CONTROLLERS The MC34065P-H is a high-performance current-mode PWM controller manufactured by ON Semiconductor.  

### **Key Features:**  
- **Current-Mode Control:** Provides improved loop response and simplified compensation.  
- **Operating Frequency:** Adjustable up to 500 kHz.  
- **Wide Input Voltage Range:** 8V to 40V.  
- **Low Startup Current:** Typically 0.5 mA.  
- **Precision Reference Voltage:** 5.1V with ±1% tolerance.  
- **High-Current Totem Pole Output:** Capable of sourcing/sinking up to 1A peak current.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low input voltage conditions.  
- **Soft-Start Capability:** Reduces inrush current during startup.  
- **Protection Features:**  
  - Cycle-by-cycle current limiting  
  - Overvoltage protection  
  - Programmable fault detection with latch or auto-restart options  

### **Applications:**  
- Switch-mode power supplies (SMPS)  
- DC-DC converters  
- Offline power supplies  
- Industrial and automotive power systems  

### **Package:**  
- **16-Pin DIP (Dual In-line Package)**  

This IC is designed for high-efficiency power conversion with robust protection features.  

(Source: ON Semiconductor datasheet)

Application Scenarios & Design Considerations

HIGH PERFORMANCE DUAL CHANNEL CURRENT MODE CONTROLLERS

Alternative Part Number

  • UC3846N --: Industry-standard current-mode PWM controller in a DIP package with similar control-loop functionality, widely available and well documented as a replacement for Motorola current-mode controllers.
  • SG3525AN --: Voltage-mode PWM controller in DIP-16 with dual outputs and soft-start, commonly used as a substitute in switching power supply designs where the MC34065 was employed.
  • TL494CN --: Very common dual-output PWM controller in DIP-16, pin-compatible in many power supply applications and an economical drop-in style alternative for Motorola PWM ICs.

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