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LT1129IQ#PBF

Adjustable LDO with 0.7A output

Quantity Unit Price(USD) Ext. Price
1 $4.562 $4.56
30 $4.424 $132.72

Inventory:6,901

*The price is for reference only.
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Overview of LT1129IQ#PBF

The LT1129IQ#PBF is a low dropout linear regulator that provides a regulated output voltage even when the input voltage is very close to the output voltage. It offers high accuracy and low noise, making it ideal for various precision applications.

Pinout

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

  • VOUT: Regulated Output Voltage
  • VIN: Input Voltage
  • GND: Ground
  • SHDN: Shutdown Pin
  • ADJ: Voltage Adjust Pin
  • NC: No Connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LT1129IQ#PBF for a visual representation.

Key Features

  • Low Dropout Voltage: Provides a stable output even when the input voltage is very close to the output voltage.
  • High Accuracy: Offers precise voltage regulation for demanding applications.
  • Low Noise: Ensures clean power supply output for sensitive electronic components.
  • Short Circuit Protection: Includes protection against short circuits for enhanced safety and reliability.
  • Thermal Shutdown: Features thermal shutdown protection to prevent overheating.

Note: For detailed technical specifications, please refer to the LT1129IQ#PBF datasheet.

Application

  • Precision Instruments: Suitable for precision instruments requiring stable and accurate voltage supply.
  • Audio Equipment: Ideal for powering audio equipment to ensure low noise operation.
  • Wireless Communication: Used in wireless communication devices for reliable power delivery.

Functionality

The LT1129IQ#PBF is a low dropout linear regulator that maintains a constant output voltage even with varying input voltages. It offers reliable and precise voltage regulation for a wide range of applications.

Usage Guide

  • Input Power: Connect VIN (Pin 2) to the input voltage source.
  • Output Connection: Connect VOUT (Pin 1) to the device requiring the regulated voltage supply.
  • Adjusting Voltage: Use the ADJ (Pin 4) pin for voltage adjustment if necessary.

Frequently Asked Questions

Q: What is the dropout voltage of the LT1129IQ#PBF?
A: The LT1129IQ#PBF has a low dropout voltage, ensuring stable output even with minimal voltage differences.

Q: Does the LT1129IQ#PBF offer short circuit protection?
A: Yes, this regulator includes short circuit protection to safeguard connected devices.

Equivalent

For similar functionalities, consider these alternatives to the LT1129IQ#PBF:

  • LM317: A versatile linear regulator with adjustable output voltage and high accuracy.
  • LT1763: This low dropout regulator from Linear Technology offers similar precision voltage regulation capabilities.
  • LM1117: A popular linear regulator with low dropout voltage and thermal shutdown protection.

Specifications

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
REACH Details Mounting Style SMD/SMT
Package / Case DDPAK-5 Output Voltage 3.8 V to 30 V
Output Current 700 mA Number of Outputs 1 Output
Polarity Positive Quiescent Current 50 uA
Input Voltage, Min 4.15 V Input Voltage, Max 30 V
PSRR / Ripple Rejection - Typ 64 dB Output Type Adjustable
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 125 C
Dropout Voltage 130 mV Series LT1129
Brand Analog Devices Dropout Voltage - Max 700 mV
Height 4.57 mm Ib - Input Bias Current 300 nA
Line Regulation 1.5 mV Load Regulation 15 mV
Operating Supply Current 50 uA Product Linear Regulators
Product Type LDO Voltage Regulators Factory Pack Quantity 50
Subcategory PMIC - Power Management ICs Type Micropower Low Dropout Regulator
Unit Weight 0.048008 oz

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