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HV803LG from SUPERTEX INC

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HV803LG

Manufacturer: SUPERTEX INC, SUPERTEX

High-Voltage EL Lamp Driver

Partnumber Manufacturer Quantity Availability
HV803LG SUPERTEX INC, SUPERTEX 546 In Stock

Description and Introduction

High-Voltage EL Lamp Driver The HV803LG is a high-voltage power MOSFET driver manufactured by SUPERTEX. Here are its key specifications:

1. **Voltage Rating**:  
   - High-side voltage: Up to 600V  
   - Low-side voltage: 10V to 20V  

2. **Output Current**:  
   - Peak output current: ±1.5A  

3. **Propagation Delay**:  
   - Typical delay time: 120ns  

4. **Operating Frequency**:  
   - Maximum frequency: 500kHz  

5. **Supply Voltage**:  
   - Logic supply (VDD): 5V to 20V  

6. **Package**:  
   - 8-pin DIP (Dual In-line Package)  

7. **Features**:  
   - Independent high- and low-side outputs  
   - Under-voltage lockout (UVLO) protection  
   - Matched propagation delays  

8. **Applications**:  
   - Switch-mode power supplies  
   - Motor controls  
   - High-voltage gate drivers  

For exact tolerances and additional details, refer to the official SUPERTEX datasheet.

Application Scenarios & Design Considerations

High-Voltage EL Lamp Driver

Alternative Part Number

  • HV9120P --: Supertex/Microchip high-voltage PWM controller in the same HV series family, offering similar high-voltage switching regulator functionality and a common drop-in style replacement for HV803 designs.
  • HV9605 --: Supertex high-voltage current-mode PWM controller with comparable input voltage range and gate drive capability, suitable for offline/high-voltage power supply designs similar to the HV803LG.
  • UC3845 --: Industry-standard current-mode PWM controller widely used as a functional substitute in high-voltage flyback and forward converters; readily available from multiple vendors and easy to adapt with minor external component changes.
  • MIC2981YN --: High-voltage 8-channel source driver with similar function and pinout, widely available and cost-effective.
  • ULN2803A --: Classic 8-channel Darlington sink driver, common drop-in for many high-voltage driver applications.
  • TPIC6595N --: 8-bit power shift register with high-voltage outputs, suitable when serial control is acceptable.

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