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TB62731FUG from TOSHIBA

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TB62731FUG

Manufacturer: TOSHIBA

Step-up DC-DC Converter for White LED Driver

Partnumber Manufacturer Quantity Availability
TB62731FUG TOSHIBA 3000 In Stock

Description and Introduction

Step-up DC-DC Converter for White LED Driver The TB62731FUG is a 16-bit constant-current LED sink driver manufactured by Toshiba. Here are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage (VDD):** 3.0V to 5.5V  
- **Output Current:** 5mA to 80mA (adjustable via external resistor)  
- **Number of Outputs:** 16 channels  
- **Data Transfer Rate:** Up to 25MHz  
- **Power Dissipation:** 1.2W (max)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** TSSOP-48  

### **Descriptions:**
- Designed for driving LEDs in applications such as LED displays, signage, and lighting.  
- Supports constant-current output for uniform brightness.  
- Features a serial-in, parallel-out shift register with latched outputs.  
- Includes thermal shutdown and open/short detection for protection.  

### **Features:**
- **Constant-Current Output:** Ensures consistent LED brightness.  
- **High-Speed Data Transfer:** Supports daisy-chaining for large displays.  
- **Adjustable Output Current:** Set via an external resistor (REXT).  
- **Error Detection:** Open/short-circuit detection for fault monitoring.  
- **Thermal Shutdown:** Protects the IC from overheating.  
- **Low Power Consumption:** Suitable for battery-powered applications.  

This information is based strictly on Toshiba's official documentation for the TB62731FUG.

Application Scenarios & Design Considerations

Step-up DC-DC Converter for White LED Driver

Alternative Part Number

  • CAT4139TD-GT3 --: Boost LED driver with similar constant-current topology and wide input range, suitable drop-in for many TB62731FUG backlight applications.
  • AP3031KTR-G1 --: Step-up white LED driver with comparable output current and PWM dimming, pin-function compatible in most designs.
  • LT1932ES6#PBF --: Constant-current boost LED driver offering similar functionality and small package, usable as a higher-performance substitute.

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