BL1117 / ME1117 — 18V Input, 1A Low-Dropout Linear Regulator, SOT-223 / TO-252

The BL1117 and ME1117 are widely used LDO regulators designed for high current capability and reliable operation. Supporting up to 1A output, these regulators provide excellent line and load regulation and are available in both fixed and adjustable versions. Their industry-standard pinout makes them ideal drop-in replacements in many designs.

Key Specifications

Input Voltage: Up to 18V
Output Current: Up to 1A
Output Options: Fixed and adjustable
Dropout Voltage: Low dropout design
Packages: SOT-223, TO-252

Applications

Post regulation for DC/DC converters
Consumer electronics
Networking equipment
Industrial control

Features

High current output
Good thermal performance
Wide output voltage options
Simple application circuit