• LT1761ES5-5#TRPBF SOT23-5
LT1761ES5-5#TRPBF SOT23-5


Voltage regulator with 100mA output and 20V maximum input


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Overview of LT1761ES5-5#TRPBF

The LT1761ES5-5#TRPBF is a low dropout (LDO) regulator IC that provides a fixed 5V output voltage with a 100mA maximum output current. It is designed to operate with a very low dropout voltage, making it suitable for applications where a stable output voltage is required even with a small input-to-output voltage differential.


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

  • VIN: Input Voltage
  • VOUT: Output Voltage
  • GND: Ground

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LT1761ES5-5#TRPBF IC for a visual representation.

Key Features

  • Fixed 5V Output: Provides a stable 5V output voltage suitable for powering various components in a circuit.
  • Low Dropout Voltage: Operates with a very low dropout voltage, ensuring stable output even with small voltage differentials.
  • Low Quiescent Current: Consumes minimal current in standby mode, ideal for power-saving applications.
  • Short-Circuit Protection: Includes built-in protection against short circuits, enhancing the reliability of the IC.
  • Small Package: Available in a compact SOT-23 package, saving space in circuit designs.

Note: For detailed technical specifications, please refer to the LT1761ES5-5#TRPBF datasheet.


  • Power Supply Regulation: Ideal for regulating and stabilizing the voltage in various electronic circuits.
  • Battery-Powered Devices: Suitable for use in devices powered by batteries where a stable voltage supply is crucial.
  • Embedded Systems: Used in embedded systems and microcontroller-based applications for voltage regulation.


The LT1761ES5-5#TRPBF is a reliable LDO regulator that ensures a constant 5V output voltage, making it ideal for applications requiring a stable power supply.

Usage Guide

  • Input Voltage: Connect the VIN pin to the input voltage source.
  • Output Voltage: Obtain the regulated 5V output from the VOUT pin.
  • Ground Connection: Connect the GND pin to the ground of the system.

Frequently Asked Questions

Q: What is the maximum output current of the LT1761ES5-5#TRPBF?
A: The LT1761ES5-5#TRPBF can provide a maximum output current of 100mA.

Q: Is the LT1761ES5-5#TRPBF suitable for automotive applications?
A: Yes, the LT1761ES5-5#TRPBF is suitable for automotive applications where stable voltage regulation is required.


For similar functionalities, consider these alternatives to the LT1761ES5-5#TRPBF:

  • LM2937ET-5.0/NOPB: A 5V fixed-output LDO regulator IC with comparable features to the LT1761ES5-5#TRPBF.
  • ADP3333ARMZ-5: This LDO regulator IC also provides a 5V fixed output and is suitable for applications requiring stable voltage regulation.



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 5 V Output Current 100 mA
Number of Outputs 1 Output Polarity Positive
Quiescent Current 10 nA Input Voltage, Min 1.8 V
Input Voltage, Max 20 V PSRR / Ripple Rejection - Typ 65 dB
Output Type Fixed Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 125 C Dropout Voltage 300 mV
Series LT1761 Brand Analog Devices
Dropout Voltage - Max 450 mV Height 1 mm
Ib - Input Bias Current 30 uA Line Regulation 1 mV
Load Regulation 25 mV Operating Supply Current 20 uA
Product Linear Regulators Product Type LDO Voltage Regulators
Factory Pack Quantity 2500 Subcategory PMIC - Power Management ICs
Type Positive Linear Regulator Unit Weight 0.001834 oz

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