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TDA4866J from PHIL,Philips

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TDA4866J

Manufacturer: PHIL, PH, PHI, PHILIPS

25 V, Full bridge current driver vertical deflection booster
Partnumber Manufacturer Quantity Availability
TDA4866J PHIL, PH, PHI, PHILIPS 1879 In Stock

Description and Introduction

25 V, Full bridge current driver vertical deflection booster The TDA4866J is a power factor correction (PFC) controller IC manufactured by PHILIPS (now NXP Semiconductors). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** PHILIPS (NXP Semiconductors)  
- **Type:** Power Factor Correction (PFC) Controller  
- **Package:** DIP-8 (Dual In-line Package, 8 pins)  
- **Operating Voltage Range:** 10V to 20V  
- **Start-up Current:** Typically 50µA  
- **Switching Frequency:** Adjustable (typically up to 200kHz)  
- **Maximum Duty Cycle:** Typically 94%  
- **Output Drive Capability:** Up to 1A peak current  
- **Protection Features:** Overvoltage protection (OVP), undervoltage lockout (UVLO), and overpower protection  

### **Descriptions:**  
The TDA4866J is designed for active power factor correction in switch-mode power supplies (SMPS). It operates in continuous conduction mode (CCM) to improve efficiency and reduce harmonic distortion. The IC includes internal circuitry for precise regulation of the input current waveform to match the input voltage, ensuring high power factor (typically >0.99).  

### **Features:**  
- **High Power Factor Correction (>0.99)**  
- **Low Start-up Current (50µA typical)**  
- **Adjustable Switching Frequency**  
- **Internal Overvoltage Protection (OVP)**  
- **Undervoltage Lockout (UVLO) for Safe Operation**  
- **Peak Current Limiting for Protection**  
- **Optimized for Continuous Conduction Mode (CCM) Operation**  
- **Low External Component Count for Cost-Effective Designs**  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

25 V, Full bridge current driver vertical deflection booster

Alternative Part Number

  • LA7845N --: Vertical deflection output IC with similar function and pinout, commonly used as a substitute in CRT TV/monitor deflection circuits.
  • STV9379 --: Vertical deflection booster IC designed for CRT applications, functionally comparable to the TDA4866 family.
  • TDA8172 --: Widely available vertical deflection IC with similar electrical characteristics, often used as a cross-reference replacement.
  • TDA4866 --: Same vertical deflection driver family from the original Philips/NXP lineage; the J suffix denotes package variant, so the base TDA4866 is the closest functional match.
  • TDA8177 --: Widely used vertical deflection output IC for CRT monitors/TVs with comparable supply and output current ratings, commonly used as a cross-reference substitute.
  • LA7846N --: Vertical deflection output IC with similar voltage and current capability, frequently listed as an alternative in CRT deflection circuits.
  • LA7845 --: Vertical deflection output IC with similar voltage and current capability, usable as an alternative with minor circuit checks.

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