• ADP171AUJZ-R7 SOT23-5


CMOS linear regulator providing adjustable output with low quiescent current, rated at 300 mA

Quantity Unit Price(USD) Ext. Price
1 $0.666 $0.67
10 $0.587 $5.87
30 $0.547 $16.41
100 $0.507 $50.70
500 $0.484 $242.00
1000 $0.471 $471.00


*The price is for reference only.
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Overview of ADP171AUJZ-R7

The ADP171AUJZ-R7 is a high-performance, low dropout (LDO) linear voltage regulator designed for various power management applications. It offers a wide input voltage range and high output current capability, making it suitable for powering a wide range of electronic devices.


(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VOUT: Output Voltage
  • GND: Ground Connection
  • VIN: Input Voltage
  • ADJ: Adjustable Pin for Voltage Setting

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the ADP171AUJZ-R7 IC for a visual representation.

Key Features

  • Wide Input Voltage Range: Supports a wide input voltage range, allowing flexibility in power supply designs.
  • High Output Current Capability: Capable of delivering high output currents for powering demanding applications.
  • Low Dropout Voltage: Features a low dropout voltage for efficient power conversion.
  • Adjustable Output Voltage: The ADP171AUJZ-R7 allows for adjustable output voltages, providing customization for specific requirements.
  • Thermal Overload Protection: Includes thermal shutdown and current limit protection features to ensure safe operation under various conditions.

Note: For detailed technical specifications, please refer to the ADP171AUJZ-R7 datasheet.


  • Consumer Electronics: Ideal for powering consumer electronic devices such as smartphones, tablets, and portable media players.
  • Embedded Systems: Suitable for powering microcontroller-based embedded systems and IoT devices.
  • Industrial Applications: Used in various industrial applications requiring stable and regulated power sources.


The ADP171AUJZ-R7 is a versatile linear voltage regulator that provides stable and reliable power output for a wide range of applications. It offers excellent performance and efficiency in power management.

Usage Guide

  • Input Voltage: Connect VIN (Pin) to the input power source within the specified voltage range.
  • Output Voltage Adjustment: Use the ADJ pin to adjust the output voltage according to the desired voltage level.
  • Thermal Considerations: Ensure proper heat dissipation and thermal management to maintain optimal performance.

Frequently Asked Questions

Q: Is thermal overload protection important for my application?
A: Yes, thermal overload protection is crucial to prevent overheating and ensure the safe operation of the regulator.


For similar functionalities, consider these alternatives to the ADP171AUJZ-R7:

  • LTC3026: A high-performance LDO voltage regulator from Linear Technology with similar features and capabilities.
  • LM2937: This voltage regulator from Texas Instruments offers comparable performance and reliability to the ADP171AUJZ-R7.



The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category LDO Voltage Regulators RoHS Details
Mounting Style SMD/SMT Package / Case TSOT-23-5
Output Voltage 800 mV to 3 V Output Current 300 mA
Number of Outputs 1 Output Polarity Positive
Quiescent Current 170 uA Input Voltage, Min 1.6 V
Input Voltage, Max 3.6 V Output Type Adjustable
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 125 C
Dropout Voltage 66 mV Series ADP171
Brand Analog Devices Development Kit ADP171-EVALZ
Height 0.87 mm Length 2.9 mm
Product Type LDO Voltage Regulators Factory Pack Quantity 3000
Subcategory PMIC - Power Management ICs Width 1.6 mm
Unit Weight 0.000430 oz

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