LT1389ACS8-1.25#TRPBF

Product Overview

The LT1389ACS8-1.25#TRPBF belongs to the category of voltage regulators and is commonly used in electronic devices to provide a stable output voltage. This device exhibits characteristics such as high accuracy, low dropout voltage, and low quiescent current. It is typically available in a surface-mount package and is an essential component in various electronic applications.

Basic Information

• Category: Voltage Regulator
• Use: Providing stable output voltage in electronic devices
• Characteristics: High accuracy, low dropout voltage, low quiescent current
• Package: Surface-mount
• Essence: Stability and reliability in voltage regulation
• Packaging/Quantity: Typically supplied in reels or tubes containing multiple units

Specifications

• Input Voltage Range: 2.5V to 10V
• Output Voltage: 1.25V
• Maximum Output Current: 100mA
• Dropout Voltage: 300mV
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1389ACS8-1.25#TRPBF features a standard 8-pin surface-mount package with the following pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. NC (No Connection) 4. NC (No Connection) 5. VOUT (Output Voltage) 6. NC (No Connection) 7. SHDN (Shutdown) 8. BYP (Bypass)

Functional Features

• High Accuracy: Provides precise output voltage regulation
• Low Dropout Voltage: Operates efficiently even when the input voltage is close to the output voltage
• Low Quiescent Current: Minimizes power consumption in standby mode
• Shutdown Mode: Can be put into a low-power shutdown state

Advantages and Disadvantages

Advantages

• Reliable voltage regulation
• Low power consumption
• Small form factor

Disadvantages

• Limited maximum output current
• Restricted input voltage range

Working Principles

The LT1389ACS8-1.25#TRPBF operates by comparing the output voltage to a reference voltage and adjusting the internal circuitry to maintain a stable output. It utilizes feedback control to continuously monitor and regulate the output voltage, ensuring consistent performance across varying load conditions.

Detailed Application Field Plans

This voltage regulator is widely used in portable electronic devices, battery-powered systems, and low-power applications where maintaining a stable voltage supply is critical. Its compact size and efficient operation make it suitable for use in handheld consumer electronics, IoT devices, and sensor modules.

Detailed and Complete Alternative Models

• LM317: A popular adjustable voltage regulator with similar characteristics
• LDO01C: Another low-dropout voltage regulator offering comparable performance
• ADP3338: Precision voltage regulator with high accuracy and low quiescent current

In conclusion, the LT1389ACS8-1.25#TRPBF is a reliable voltage regulator with high accuracy and low power consumption, making it an ideal choice for various electronic applications requiring stable voltage regulation.

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