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AMS1117 Voltage Regulator IC 2.5V

SKU: UFD61WRDXE
The AMS1117-2.5 is a fixed-output 2.5V Low Dropout (LDO) Voltage Regulator IC designed to provide a stable and regulated 2.5V output from a higher DC input voltage source. The regulator is capable of delivering up to 1A output current while maintaining excellent line and load regulation, making it suitable for powering low-voltage digital circuits, microcontrollers, sensors, memory devices, and communication...
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Specifications

Specifications:

IC Type: Low Dropout (LDO) Voltage Regulator
Model: AMS1117-2.5
Output Voltage: 2.5V Fixed
Output Current: Up to 1A
Input Voltage Range: 3.8V – 12V DC
Maximum Input Voltage: 12V – 15V (manufacturer dependent)
Dropout Voltage: Typically 1.1V, Maximum 1.3V @ 1A
Output Accuracy: ±1%
Line Regulation: Typically 0.2%
Load Regulation: Typically 0.4%
Quiescent Current: Typically 5mA – 10mA
Ripple Rejection (PSRR): Up to 75dB
Protection Features: Thermal Shutdown, Current Limiting
Operating Temperature: -40°C to +125°C
Storage Temperature: -65°C to +150°C
Package Type: SOT-223
Mounting Type: Surface Mount (SMD)

Additional Resources

AMS1117.PDF

FAQ

1. What is the AMS1117-2.5 Voltage Regulator used for?

The AMS1117-2.5 is used to convert a higher DC voltage into a stable 2.5V output for powering microcontrollers, memory devices, sensors, communication modules, and other low-voltage electronics.

2. What output voltage does the AMS1117-2.5 provide?

The AMS1117-2.5 delivers a fixed and regulated output voltage of 2.5V DC.

3. How much current can the AMS1117-2.5 supply?

The regulator can provide up to 1A output current when operated within its specified thermal limits.

4. What is the minimum input voltage required for the AMS1117-2.5?

The regulator typically requires an input voltage of approximately 3.8V or higher to maintain a stable 2.5V output due to its dropout voltage characteristics.

5. Does the AMS1117-2.5 include built-in protection features?

Yes, the AMS1117-2.5 includes thermal shutdown and current limiting protection to help safeguard both the regulator and connected circuits from damage.

View full product details

The AMS1117-2.5 is a fixed-output 2.5V Low Dropout (LDO) Voltage Regulator IC designed to provide a stable and regulated 2.5V output from a higher DC input voltage source. The regulator is capable of delivering up to 1A output current while maintaining excellent line and load regulation, making it suitable for powering low-voltage digital circuits, microcontrollers, sensors, memory devices, and communication modules.

Featuring a low dropout voltage, the AMS1117-2.5 operates efficiently in applications where the input voltage is only slightly higher than the output voltage. The device includes built-in thermal shutdown and current limiting protection, ensuring safe and reliable operation. Its compact SOT-223 package and minimal external component requirements make it a popular choice for embedded systems, development boards, and portable electronic devices.

Key Features

  • Fixed 2.5V output voltage
  • Low Dropout (LDO) regulator design
  • Output current up to 1A
  • Low dropout voltage (typically 1.1V–1.3V)
  • Built-in thermal overload protection
  • Internal current limiting protection
  • Excellent line and load regulation
  • Optimized for low-voltage applications
  • High output voltage accuracy
  • Requires minimal external components
  • Compact SOT-223 package
  • Suitable for embedded systems and portable electronics
  • Stable operation with low noise output
  • Easy integration into PCB designs