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LTC3025EDC-1

Name: LTC3025EDC-1
Rating: 4.7 (12 reviews)

LDO Voltage Regulators LTC3025-1/LTC3025-2/LTC3025-3/LTC3025-4 - 500mA Micropower VLDO Linear Regulators

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資料表 LTC3025EDC-1 DataSheet
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概述

Description

The LTC3025EDC-1 is a low-dropout (LDO) linear voltage regulator designed by Analog Devices (formerly Linear Technology). It features a wide input voltage range from 2.5V to 15V and provides a fixed output voltage of 1.2V, with a maximum output current of 150mA. The device offers excellent load and line regulation, making it suitable for powering sensitive analog circuits.
Key features include a low dropout voltage of about 300mV at 150mA, low quiescent current (typically 13µA), and a high power supply rejection ratio (PSRR), which helps maintain stable output even with varying input voltages. The LTC3025EDC-1 also includes a soft-start function to minimize inrush currents and an optional bypass capacitor to enhance transient response.
With its small package size (DFN or MSOP) and low thermal resistance, it is ideal for battery-powered applications and space-constrained designs. Overall, the LTC3025EDC-1 is a reliable choice for efficient voltage regulation in numerous electronic applications.

Features

The LTC3025EDC-1 is a high-performance, low-dropout (LDO) linear voltage regulator designed for battery-powered applications. Key features include:
1. Output Voltage: Adjustable output voltage range from 0.8V to 20V, with a typical accuracy of ±2%.
2. Low Dropout Voltage: Offers low dropout performance, typically 250mV at 200mA load, ensuring efficient operation.
3. High Output Current: Capable of delivering up to 200mA of output current.
4. Low Quiescent Current: Features a quiescent current of only 2.5µA in standby mode, extending battery life.
5. Power Good Indicator: Includes a Power Good output to signal when the output voltage is stable.
6. Thermal Shutdown: Integrated thermal protection prevents damage from overheating.
7. Wide Input Voltage Range: Accepts input voltages from 2.5V to 20V.
8. Compact Package: Available in a small 8-lead MSOP package.
These features make the LTC3025EDC-1 suitable for various applications, including portable devices and power management systems.

Package

The LTC3025EDC-1 comes in a 3mm × 3mm DFN (Dual Flat No-lead) package, which is designed for compact applications. This package type provides excellent thermal performance and is suitable for surface-mount technology.

Pinout

The LTC3025EDC-1 is a low-dropout (LDO) linear regulator from Analog Devices, with a pin count of 6.
### Pin Functions:
1. VIN: Input Voltage - Supplies power to the regulator.
2. GND: Ground - Common return path for current.
3. VOUT: Output Voltage - Provides the regulated output voltage.
4. EN: Enable - Activates the regulator when high.
5. COMP: Compensation - Used for stability; connects to external components to optimize response.
6. SS: Soft Start - Controls the rate of output voltage ramp-up during startup.
The LTC3025EDC-1 is designed for applications requiring low noise, low dropout voltage, and high output current.

Manufacturer

The LTC3025EDC-1 is manufactured by Analog Devices, Inc. (ADI). Founded in 1965, Analog Devices is a multinational semiconductor company that specializes in data conversion, signal processing, and power management technologies. The company designs and produces high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits, which are used in a wide range of applications, including industrial automation, automotive, communications, healthcare, and consumer electronics. ADI is known for its innovation in precision analog technology and its commitment to delivering solutions that enhance performance and efficiency in electronic systems.

Application

The LTC3025EDC-1 is a low-dropout (LDO) linear regulator designed for applications requiring high precision and low noise. Common application areas include powering RF transceivers, precision analog circuits, sensor power supplies, battery-operated devices, and portable instruments. Its low quiescent current makes it suitable for energy-sensitive designs, while its capability to handle varying load conditions makes it ideal for embedded systems and IoT devices.

Equivalent

Equivalent products for the LTC3025EDC-1 include the TPS7A47 from Texas Instruments, the MCP1700 from Microchip, and the MIC5219 from Microchip. These alternatives provide similar low-dropout (LDO) voltage regulation features, though specifications may vary, so always check datasheets for specific requirements.