AMS1117-5.0 AMS1117-5.0 – 5V Fixed Output LDO Voltage Regulator

The UMW AMS1117 5.0 IC is a low-dropout (LDO) linear voltage regulator designed for applications requiring stable 5V DC output at up to 1A current. Featuring a typical dropout voltage of 1.2V, it operates efficiently even when the input voltage is as low as 6.2V.

• Precision Output: ±1.5% voltage accuracy (±50mV at 5V).
• Robust Protection: Built-in thermal shutdown and current limiting.
• Wide Compatibility: Available in SOT-223-3L, TO-252-2L, and SOT-89-3L packages.

Ideal for battery-powered devices, embedded systems, and industrial controls, the AMS1117-5.0 ensures reliable performance across –40°C to +125°C.

Key Features

✅ Fixed 5V Output – Tight tolerance (±1.5%) for precision applications.
✅ Low Dropout Voltage – Only 1.2V typical at 1A load.
✅ Thermal Protection – Auto-shutdown at 150°C to prevent damage.

Specifications

Applications

The UMW AMS1117-5.0 LDO regulator is widely used across industries due to its stable 5V output, high efficiency, and robust protection features. Below is an expanded breakdown of key application areas:

Consumer Electronics

Portable Devices

✔ USB Power Banks – Provides clean 5V output for charging smartphones, tablets, and accessories.
✔ Wireless Earbuds Charging Cases – Ensures stable voltage regulation for battery management.
✔ Digital Cameras – Reliable power for image sensors and LCD screens.

Home Entertainment

✔ Smart TVs & Streaming Sticks – Stable voltage for SoCs and Wi-Fi modules.
✔ Gaming Consoles – Low-noise power supply for controller circuits.
✔ Bluetooth Speakers – Efficient power management for amplifiers and DSPs.

Automotive Systems

In-Car Electronics

✔ Dashboard Displays – Consistent 5V supply for instrument clusters.
✔ OBD-II Adapters – Reliable power for diagnostic modules.
✔ LED Lighting Controls – Stable voltage for PWM dimming circuits.

ADAS & Safety Systems

✔ Parking Sensors – Noise-free power for analog signal processing.
✔ TPMS (Tire Pressure Monitoring) – Low-power regulation for battery-operated sensors.
✔ Telematics Units – Efficiency-critical for GPS and LTE modules.

Industrial & IoT

Factory Automation

✔ Sensor Nodes – Regulates voltage for industrial RTDs and pressure sensors.
✔ Motor Control Boards – Stable reference voltage for microcontrollers.
✔ HMI Panels – Reliable power for touchscreen interfaces.

Wireless Communication

✔ LoRa/Wi-Fi Gateways – Noise-resistant power for RF modules.
✔ BLE Mesh Networks – Extended battery life for low-power IoT devices.
✔ Cellular Routers – Post-regulation for 4G/5G modems.

Embedded & DIY Electronics

Single-Board Computers (SBCs)

✔ Raspberry Pi/Arduino Shields – Secondary 5V rail for peripherals (USB, SPI, I²C).
✔ Robotics Controllers – Efficient power for servo motors & sensors.

Battery-Powered Systems

✔ Solar Chargers – DC-DC post-regulation for MPPT controllers.
✔ Emergency Backup Circuits – Regulates voltage in UPS systems.
✔ Medical Wearables – Precision power for health monitoring ICs.

Telecommunications & Networking

✔ PoE Splitters – Supports auxiliary 5V circuits in Power-over-Ethernet devices.
✔ Fiber Optic Transceivers – Clean power for laser drivers.
✔ Wi-Fi Range Extenders – Low-dropout efficiency for battery-operated units.

Why Choose AMS1117-5.0 for These Applications?

✅ High Ripple Rejection (60dB) – Minimizes noise in sensitive analog/digital circuits.
✅ Thermal & Overcurrent Protection – Safeguards devices in extreme conditions.
✅ Compact Footprint – SOT-223 and SOT-89 packages save PCB space.

For more specialized use cases (e.g., aerospace, military), consult AMS1117-5.0 Datasheet for derating guidelines.

Technical Highlights

• Low Quiescent Current: 5mA (typ.) prolongs battery life.
• Fast Transient Response: Handles sudden load changes smoothly.
• Easy PCB Integration: Requires only 10µF input/22µF output capacitors.

Package Information