LT3021ES8-1.2

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LT3021ES8-1.2

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LDO Voltage Regulators LT3021/LT3021-1.2/ LT3021-1.5/LT3021-1.8 - 500mA, Low Voltage, Very Low Dropout Linear Regulator

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概述

Description

The LT3021ES8-1.2 is a low-dropout (LDO) linear regulator designed by Analog Devices, formerly Linear Technology. It offers a fixed output voltage of 1.2V and is capable of delivering up to 1A of output current. This device is known for its high power supply rejection ratio (PSRR) and low output noise, making it suitable for applications that require stable and clean power, such as sensitive analog circuits or RF applications.
Housed in an 8-lead SOIC package, the LT3021ES8-1.2 operates with a wide input voltage range, typically from 1.8V to 20V, and boasts a low dropout voltage, which enhances efficiency, especially in battery-powered devices. Moreover, it incorporates features such as thermal protection and current limiting, safeguarding the regulator and connected components from damage due to overheating or excessive current.
Overall, the LT3021ES8-1.2 is an ideal choice for systems requiring reliable voltage regulation, paired with low-noise and high-efficiency performance.

Equivalent

The LT3021ES8-1.2 is a low-dropout voltage regulator. Equivalent products with similar specifications could include:
1. Microchip MCP1826S-1202E/DC: Offers similar voltage regulation with low dropout.
2. Texas Instruments TPS7A4501: Features a comparable output current and voltage stability.
3. Diodes Incorporated AP7331: A potential alternative with matching output capabilities.
4. ON Semiconductor NCP5501: Provides low dropout voltage and stable output.
Always verify specific requirements like pin configuration and thermal characteristics before substituting.

Features

The LT3021ES8-1.2 is a low dropout (LDO) linear regulator from Analog Devices. It offers the following features:
1. Output Voltage: Fixed at 1.2V.
2. Current Capability: Can deliver up to 500mA of output current.
3. Low Dropout Voltage: Typically 300mV at full load, which improves efficiency.
4. Quiescent Current: Very low, typically around 1.3mA, which helps conserve power in battery-operated devices.
5. Shutdown Function: Has a low shutdown current of less than 1µA to save power when the device is not in use.
6. Protection Features: Includes overcurrent and thermal shutdown protections to prevent damage under fault conditions.
7. Stability: Designed to be stable with a wide range of output capacitors, enhancing flexibility in application design.
8. Thermal Performance: The ES8 package offers good thermal performance for dissipating heat.
9. Application: Ideal for applications requiring efficient, low-noise power supply, such as portable and handheld devices.
These features make it a robust choice for efficient voltage regulation in various electronics applications.

Pinout

The LT3021ES8-1.2 is a low dropout (LDO) linear regulator developed by Analog Devices (formerly Linear Technology). It is available in an 8-lead plastic SO (Small Outline) package.
Pin Count:
- Total Pins: 8
Pin Functions:
1. IN (Pin 1): Input voltage supply pin. It must be locally bypassed.
2. GND (Pin 2): Ground pin.
3. SHDN (Pin 3): Shutdown control pin. A low voltage on this pin turns the regulator off.
4. ADJ (Pin 4): Adjust pin for setting the output voltage.
5. OUT (Pin 5): Output voltage pin. It should be bypassed with a capacitor for stability.
6. NC (Pin 6): No connection. It can be left floating or connected to a ground plane.
7. NC (Pin 7): No connection. It can be left floating or connected to a ground plane.
8. NC (Pin 8): No connection. It can be left floating or connected to a ground plane.
Function:
The LT3021ES8-1.2 is designed to provide a fixed output voltage of 1.2V with high accuracy and stability. It features low dropout voltage, low noise, and overcurrent protection, making it suitable for powering sensitive electronics and applications requiring efficient voltage regulation.

Manufacturer

The LT3021ES8-1.2 is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that designs, manufactures, and markets a broad portfolio of integrated circuits (ICs) and other semiconductor devices. Their products are widely used in analog and digital signal processing applications across various industries, including communications, healthcare, automotive, industrial, and consumer electronics. The company is known for its expertise in high-performance analog and mixed-signal technologies, focusing on delivering precision and efficiency in electronic systems.

Application

The LT3021ES8-1.2 is a low-dropout (LDO) linear voltage regulator designed for applications requiring low output noise and high PSRR (Power Supply Rejection Ratio). It is suitable for powering sensitive analog and RF circuitry, such as those found in communication devices, precision instruments, and data acquisition systems. It can also be used in battery-powered equipment due to its low quiescent current, making it ideal for extending battery life in portable electronics. Additionally, it's applicable in post-regulation for switching power supplies and noise-sensitive applications, including medical devices and industrial sensors.

Package

The LT3021ES8-1.2 is a low dropout (LDO) linear regulator available in an 8-lead SOIC (Small Outline Integrated Circuit) package. This package type is compact and suitable for surface-mount technology, making it ideal for various electronic applications where space-saving is crucial.

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