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About
The AMS1117-3.3 UMW is a state-of-the-art low dropout voltage regulator designed to cater to a broad spectrum of applications requiring a reliable power solution. Engineered for stability and efficiency, this compact component ensures your devices operate at peak performance, enhancing both longevity and reliability.
Applications
The AMS1117-3.3 is a versatile low dropout voltage regulator that finds applications in a variety of electronic devices and systems due to its reliable performance, stable 3.3V output, and efficiency. Here’s a closer look at its applications across different sectors:
Consumer Electronics
- Mobile Devices: Used in smartphones, tablets, and other portable gadgets to provide stable power, enhancing battery life and device reliability.
- Personal Computers: Integral in motherboards and peripheral devices to ensure smooth operation and power stability.
- Audio/Video Equipment: Powers media players, speakers, and other A/V devices, ensuring clear and consistent performance.
Industrial and Automation
- Sensors and Control Systems: Regulates power supply to sensors and actuators in industrial automation systems, maintaining accuracy and reliability.
- Power Supplies: Utilized in the power management circuits of industrial-grade power supplies to ensure stable output for critical operations.
- LED Lighting: Powers LED drivers for industrial lighting solutions, ensuring consistent brightness and longevity.
Telecommunications
- Network Devices: Found in routers, switches, and modems to regulate power and ensure uninterrupted network connectivity.
- Wireless Communication Equipment: Powers devices like RF transceivers and base stations for stable wireless communications.
Automotive Electronics
- Dashboard Instruments: Regulates power for instruments and displays, ensuring accurate readings and functionality.
- Entertainment Systems: Powers audio and video systems, providing stable operation for in-car entertainment.
- Engine Control Units (ECUs): Used in the power regulation circuits of ECUs for reliable engine performance and diagnostics.
Medical Devices
- Portable Medical Equipment: Powers handheld medical devices, ensuring reliable performance for diagnostics and patient monitoring.
- Laboratory Instruments: Regulates power in lab equipment, maintaining accuracy in measurements and tests.
Energy Systems
- Solar Power Converters: Utilized in the power regulation circuits of solar converters, ensuring efficient energy conversion and stable output.
- Battery Management Systems: Regulates charging circuits in battery management systems for safer and more efficient battery charging.
The AMS1117-3.3 UMW’s ability to provide a stable and reliable 3.3V output makes it an ideal component for these applications, ensuring the efficient operation of a wide range of electronic devices and systems.
Advantages
The AMS1117-3.3, a popular low dropout (LDO) voltage regulator, offers a range of advantages for various electronic applications due to its design and performance characteristics. Here are some of the key advantages:
High Efficiency:
- Low Dropout Voltage: The AMS1117-3.3 UMW operates efficiently with a very low dropout voltage, which means it can regulate voltage close to the input voltage while minimizing power loss. This feature is particularly beneficial in battery-powered devices, where maximizing battery life is crucial.
Versatility and Compatibility:
- Fixed 3.3V Output: The regulator provides a stable 3.3V output, a common and often necessary voltage for digital circuits, microcontrollers, and other sensitive electronic components.
- Wide Input Voltage Range: It supports a broad range of input voltages, making it versatile for different power supply scenarios, from batteries to AC adapters.
Reliability and Performance:
- Thermal Overload Protection: The device includes built-in thermal overload protection that shuts down the regulator to prevent damage if the temperature exceeds safe operating limits.
- Current Limiting: Inbuilt current limiting protects the regulator and the downstream components from damage due to excessive current draw, enhancing the circuit’s overall safety and longevity.
- Low Noise: This LDO regulator offers low output noise, which is crucial for noise-sensitive applications such as audio devices and precision measurement instruments.
Ease of Use and Integration:
- Minimal External Components Required: The AMS1117-3.3 UMW can function effectively with only two external capacitors (input and output), simplifying circuit design and reducing overall component count.
- Standard Package and Footprint: Its availability in a SOT-223 package makes it easy to integrate into a wide variety of PCB designs, including those with space constraints.
Cost-Effectiveness:
- Affordability: The AMS1117 series, including the AMS1117-3.3 UMW, is known for providing reliable voltage regulation at a low cost, making it an attractive choice for projects with tight budgets.
Broad Application Range:
Due to these advantages, the AMS1117-3.3 UMW is suitable for a wide array of applications, from consumer electronics and portable devices to industrial controls and automotive systems, where stable voltage, reliability, and efficiency are paramount.
In summary, the AMS1117-3.3 UMW combines efficiency, reliability, and versatility with ease of use, making it an excellent choice for designers and engineers looking for a dependable voltage regulation solution.
Specifications
| Product Attribute | Attribute Value |
| Product Category: | LDO Voltage Regulators |
| Manufacturer: | UMW |
| Series: | – |
| Packaging: | Tape & Reel (TR)
Cut Tape (CT) Digi-Reel® |
| Part Status: | Active |
| Output Configuration: | Positive |
| Output Type: | Fixed |
| Number of Regulators: | 1 |
| Voltage – Input (Max): | 12V |
| Voltage – Output (Min/Fixed): | 3.3V |
| Voltage – Output (Max): | – |
| Voltage Dropout (Max): | 1.3V @ 1A |
| Current – Output: | 1A |
| Current – Quiescent (Iq): | 10 mA |
| PSRR: | 75dB (120Hz) |
| Control Features: | Current Limit |
| Protection Features: | Over Temperature |
| Operating Temperature: | -40°C ~ 125°C (TJ) |
| Mounting Type: | Surface Mount |
| Package / Case: | TO-261-4, TO-261AA |
| Supplier Device Package: | SOT-223-3L |
Datasheet
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