DIOAZ1117CH-3.3TRG1
Overview
The AZ1117CH-3.3TRG1 is a low dropout linear regulator (LDO) from Diodes Incorporated, providing a fixed 3.3V output from an input voltage up to 15V. It is capable of delivering 1A of output current (typically up to 1.35A) and is housed in a compact SOT-223 package. This device is designed for space-constrained power management tasks where a stable voltage rail and thermal protection are required.
Why Choose This Part
This regulator offers high stability when used with low-ESR ceramic capacitors, reducing the overall PCB footprint. It features a high Power Supply Rejection Ratio (PSRR) of 70dB at 120Hz, making it effective at filtering ripple from preceding switching power supplies. The device also includes on-chip thermal shutdown and current limiting to improve system reliability.
Applications
Key Specifications
Getting Started
When designing with the AZ1117CH-3.3TRG1, ensure adequate copper area around the SOT-223 pins for heat dissipation, as the junction-to-case thermal resistance is a critical factor at 1A loads. Place a 10uF ceramic capacitor close to the output pin to maintain stability. For prototyping, this component is easily integrated onto standard SOT-223 breakout boards for use with breadboards.
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