AMS1117 1.5V Low Dropout Voltage Regulator SOT-223

The AMS1117 1.5V Low Dropout Voltage Regulator in the SOT-223 package is a fixed-voltage regulator designed to provide a constant 1.5V output from a higher voltage input. It is ideal for low-voltage digital and analog systems where stable voltage regulation is critical. With a dropout voltage of less than 1.3V at full load, it efficiently regulates voltage even in tight power supply conditions.

Key Features of AMS1117 1.5V Low Dropout Voltage Regulator:

• Fixed Output Voltage: Provides a stable 1.5V output.
• Low Dropout Voltage: Typical dropout of 1.1V at 1A load current.
• High Output Current: Delivers up to 1A continuous current.
• Thermal and Current Limit Protection: Built-in safety features protect against overload and overheating.
• Compact SOT-223 Package: Suitable for compact PCB layouts and surface mounting.

Technical Specifications of AMS1117 1.5V Low Dropout Voltage Regulator:

• Output Voltage: 1.5V (fixed)
• Input Voltage Range: 2.6V to 15V
• Output Current: Up to 1A
• Dropout Voltage: 1.1V typical @ 1A
• Line Regulation: 0.2% max
• Load Regulation: 0.4% max
• Operating Temperature Range: 0°C to +125°C

Mechanical Specifications of AMS1117 1.5V Low Dropout Voltage Regulator:

• Package: SOT-223
• Pin Count: 3 pins
• Mounting Type: Surface Mount
• Marking Code: AMS1117-1.5

Dimensions:

• Body Length: 6.5mm
• Body Width: 3.5mm
• Body Height: 1.5mm
• Lead Pitch: 2.3mm

Mounting Options:

• Surface Mount: Designed for automated soldering onto PCBs.

Schematic Diagram, Connection, Wiring and Pinout of AMS1117 1.5V:

• Pin 1 (ADJ/GND): Ground for fixed versions or adjustable pin for variable versions.
• Pin 2 (V_OUT): Regulated 1.5V output.
• Pin 3 (V_IN): Input voltage (2.6V to 15V).
• Wiring Tip: Use decoupling capacitors (e.g., 10µF) at input and output for stability.

Datasheet of AMS1117 1.5V Low Dropout Voltage Regulator:

• Download AMS1117 Datasheet (PDF)

Applications of AMS1117 1.5V Low Dropout Voltage Regulator:

• Microcontroller Power Supply: Provides stable voltage to low-voltage digital ICs.
• FPGA and ASIC Power Rails: Powers sensitive integrated circuits requiring 1.5V.
• Battery-Powered Devices: Efficient regulation for Li-ion and Li-Po batteries.
• Embedded Systems: Ideal for 1.5V logic power supply in IoT devices and modules.
• Sensor Power Regulation: Powers analog and digital sensors requiring low voltage.

Equivalent Models of AMS1117 1.5V Low Dropout Voltage Regulator:

• LD1117V15: Equivalent fixed 1.5V LDO regulator
• LM1117-1.5: Drop-in replacement with similar specs
• AP1117-1.5: Compatible version from Diodes Inc.
• AMS1117-1.5 (Alternative Brands): Same part number from various manufacturers

Package Includes:

• 1 x AMS1117 1.5V Low Dropout Voltage Regulator SOT-223