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2.5V-16V LDO voltage regulators offering a current capacity of 150mA, ideal for various electronic applications


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Overview of SPX5205M5-L

The SPX5205M5-L is a low dropout voltage regulator IC with a fixed 5.0V output voltage.It is designed to provide a stable power supply for various electronic circuits with low dropout voltage and high efficiency,making it ideal for powering sensitive components.


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

  • VOUT:Output Voltage
  • GND:Ground
  • VIN:Input Voltage
  • NC:No Connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the SPX5205M5-L IC for a visual representation.

Key Features

  • Low Dropout Voltage: The SPX5205M5-L features a low dropout voltage, ensuring efficient regulation even with small voltage differentials between input and output.
  • Fixed Output Voltage: With a fixed 5.0V output, this regulator provides a stable voltage supply for various applications.
  • High Efficiency: The IC offers high efficiency operation, reducing power loss and heat generation.
  • Short Circuit Protection: Incorporates short circuit protection to safeguard the regulator and connected components from damage.
  • Low Quiescent Current: The SPX5205M5-L has low quiescent current, minimizing power consumption when in standby mode.

Note: For detailed technical specifications, please refer to the SPX5205M5-L datasheet.


  • Embedded Systems: Ideal for supplying power to microcontrollers, sensors, and other components in embedded systems.
  • Audio Amplifiers: Suitable for providing a stable power source for audio amplifier circuits.
  • LED Lighting: Can be used to regulate voltage for LED lighting systems, ensuring consistent brightness.


The SPX5205M5-L is a reliable voltage regulator IC that provides a fixed 5.0V output with low dropout voltage and high efficiency.It is a versatile component for maintaining stable power supply in various electronic applications.

Usage Guide

  • Input Voltage: Apply the desired input voltage within the specified range for proper operation.
  • Output Connection: Connect the VOUT (Pin 1) to the device requiring a 5.0V supply and GND (Pin 2) to the ground reference.

Frequently Asked Questions

Q: Can the SPX5205M5-L handle higher input voltages?
A: The SPX5205M5-L is designed to handle a maximum input voltage within its specified range. Exceeding this limit may damage the IC.

Q: Is the SPX5205M5-L suitable for low power applications?
A: Yes, the SPX5205M5-L with its low quiescent current is ideal for low power applications requiring stable voltage regulation.


For similar functionalities, consider these alternatives to the SPX5205M5-L:

  • LM2937-5.0: A 5.0V fixed voltage regulator offering similar performance and dropout characteristics.
  • XC6206P500PR: This is a low dropout voltage regulator with a fixed 5.0V output, suitable for similar applications as the SPX5205M5-L.


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 SOT-23-5
Output Voltage Adjustable Output Current 150 mA
Number of Outputs 1 Output Polarity Positive
Quiescent Current 50 nA Input Voltage, Min 2.5 V
Input Voltage, Max 16 V PSRR / Ripple Rejection - Typ 70 dB
Output Type Adjustable Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 125 C Dropout Voltage 210 mV
Series SPX5205 Brand MaxLinear
Dropout Voltage - Max 275 mV Height 1.15 mm
Length 2.9 mm Line Regulation 0.03 %/V
Load Regulation 0.1 % Output Voltage Range 1.24 V to 15.725 V
Product LDO Voltage Regulators Product Type LDO Voltage Regulators
Reference Voltage 1.235 V Factory Pack Quantity 1
Subcategory PMIC - Power Management ICs Tolerance 1 %
Type Low Noise LDO Voltage Regulator Voltage Regulation Accuracy 1 %
Width 1.6 mm Unit Weight 0.000222 oz

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