AMS1117-3.3 - Linear Voltage Regulator 3.3V 1A IC SOT-223-3L

Resources:

Datasheet

High-Current Linear Voltage Regulator IC with Fixed 3.3V Output for Reliable Power Distribution (SOT-223-3L Package)

The AMS1117-3.3 is a fixed-output linear voltage regulator IC designed to deliver a stable 3.3V DC supply with output current capability up to 1A. It is widely used in embedded systems, development boards, communication modules, and digital logic circuits that require a dependable 3.3V power rail from a higher input voltage source. Packaged in a SOT-223-3L surface-mount form factor, the device supports effective heat dissipation through PCB copper area, ensuring consistent electrical and thermal performance in compact and moderate-power designs. The linear regulation topology provides low output noise, making it suitable for both digital and mixed-signal applications.

Key Features:

• Fixed Output Voltage: Regulated 3.3V DC output for standard low-voltage logic circuits
• High Output Current: Supports load currents up to 1A
• Package Type: SOT-223-3L surface-mount package for space-efficient PCB layouts
• Regulation Method: Linear voltage regulation for stable and low-noise output
• Thermal Performance: Designed for efficient heat dissipation with adequate PCB copper area
• Typical Applications: Embedded systems, development boards, communication modules, and interface circuits