BL317B High-Current Adjustable Positive Voltage Regulator, 1.5A, TO220 / TO252 / TO263 Packages

Shanghai Belling

The BL317B is a high-current adjustable voltage regulator capable of supplying up to 1.5A output current. It supports input voltages up to 40V and adjustable output voltage via external resistors, with ±4% output accuracy. Designed for set-top boxes (STB) and other high-current applications, it is available in TO220, TO252, and TO263 packages.

Key Specifications

  • Input Voltage (VIN): Max. 40V

  • Output Voltage (VOUT): Adjustable

  • Output Current (IOUT): 1.5A

  • Output Accuracy: ±4%

  • Quiescent Current (IQ): 46μA

  • Package: TO220, TO252, TO263

Applications

  • Set-top boxes

  • High-current electronic circuits

Features

  • Adjustable output voltage for flexible designs

  • High-current capability (up to 1.5A)

  • Multiple package options for thermal and layout requirements