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HV9910B from SUPERTEX

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HV9910B

Manufacturer: SUPERTEX, SUPERTE

Universal High Brightness LED Driver
Partnumber Manufacturer Quantity Availability
HV9910B SUPERTEX, SUPERTE 1432 In Stock

Description and Introduction

Universal High Brightness LED Driver The HV9910B is a high-efficiency LED driver IC manufactured by SUPERTEX (now part of Microchip Technology). Below are its key specifications:

### **General Specifications:**
- **Manufacturer:** SUPERTEX (Microchip Technology)  
- **Part Number:** HV9910B  
- **Type:** High-Voltage LED Driver IC  
- **Package:** 8-Pin SOIC  

### **Electrical Characteristics:**
- **Input Voltage Range:** 8V to 450V DC  
- **Switching Frequency Range:** 25kHz to 300kHz  
- **Maximum Output Current:** Adjustable (externally set)  
- **PWM Dimming Control:** Yes (external PWM signal)  
- **Efficiency:** Up to 90% (depending on configuration)  

### **Features:**
- Constant current output  
- Built-in MOSFET driver  
- Open-LED protection  
- Undervoltage lockout (UVLO)  
- Thermal shutdown protection  

### **Applications:**
- LED backlighting  
- Automotive lighting  
- General LED lighting  

For exact performance details, refer to the official HV9910B datasheet.

Application Scenarios & Design Considerations

Universal High Brightness LED Driver

Alternative Part Number

  • AL9910A-5 --: Pin-compatible constant-current LED driver with similar wide input voltage range and internal MOSFET-less architecture, widely used as a direct HV9910B replacement.
  • PT4115 --: Buck LED driver IC with comparable high-voltage input capability and simple external component count, suitable for similar offline LED lighting designs.
  • LM3409 --: Widely available buck LED controller with adjustable current and PWM dimming, offering a robust alternative when HV9910B availability is limited.
  • AL9910-5S --: Pin-compatible constant-current LED driver with similar wide input voltage range and internal high-voltage regulator, widely used as a direct HV9910B replacement.
  • MP4689 --: High-voltage LED driver IC with comparable buck topology and current regulation, suitable for offline LED lighting designs needing a functional substitute.

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