LT1764AEQ-1.8

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LT1764AEQ-1.8

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사양

속성 가치
Series LT1764A
Brand Analog Devices
Product Type LDO Voltage Regulators
Subcategory PMIC - Power Management ICs
Product Linear Regulators
Type Positive Linear Regulator
Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 125 C
Shipping Restrictions Mouser does not presently sell this product in your region.
Package / Case DDPAK-5
Height 4.57 mm
Output Voltage 1.8 V
Load Regulation 4 mV
Current - Output 3 A
Number of Outputs 1 Output
Input Voltage - Min 2.7 V
Input Voltage - Max 20 V
Current - Supply 1 mA
Ib - Input Bias Current 3 uA
Polarity Positive
Current - Quiescent (Iq) 1 mA
PSRR / Ripple Rejection - Typ 63 dB
Output Type Fixed
Dropout Voltage 340 mV
Voltage Dropout (Max) 660 mV
Line Regulation 3 mV

개요

Description

The LT1764AEQ-1.8 is a low-dropout voltage regulator (LDO) designed by Analog Devices. It provides a fixed output voltage of 1.8V with a maximum output current of 500mA. The device features a low dropout voltage of approximately 300mV at full load, which enhances its efficiency in battery-operated applications.
Key specifications include a wide input voltage range from 1.8V to 20V, low quiescent current of around 40µA, and excellent load and line regulation. The LT1764AEQ-1.8 also offers thermal shutdown and current limiting for protection. Its small footprint and low noise operation make it suitable for sensitive analog circuits, RF applications, and various consumer electronics.
With a robust performance in a variety of environments, it is ideal for applications requiring a stable voltage supply and minimal noise interference. Overall, the LT1764AEQ-1.8 is a versatile choice for designers seeking reliable power regulation solutions.

Equivalent

Equivalent products to the LT1764AEQ-1.8 include the MCP1700-1802E, TPS7A47, and LM1117-1.8. These alternatives offer similar low dropout voltage regulator functionality, suitable for applications requiring a 1.8V output. Always verify specifications such as output current and thermal performance to ensure compatibility for your specific use case.

Features

The LT1764AEQ-1.8 is a low-dropout (LDO) linear voltage regulator designed to provide a stable output voltage of 1.8V. Key features include:
1. Low Dropout Voltage: Typically 300mV at 100mA load, ensuring efficient operation.
2. Low Quiescent Current: Only 30µA, making it ideal for battery-powered applications.
3. High PSRR: Offers excellent power supply rejection ratio, maintaining output stability amidst fluctuations.
4. Wide Input Voltage Range: Compatible with input voltages ranging from 2.5V to 20V.
5. Output Current Capability: Supports output currents up to 200mA.
6. Thermal Protection: Built-in features to prevent overheating.
7. Output Voltage Tolerance: Provides precision regulation with a tolerance of ±2%.
8. Small Package Options: Available in a variety of compact package sizes, facilitating space-saving designs.
9. Stable with Ceramic Capacitors: Compatible with low ESR capacitors, enhancing performance.
These features make the LT1764AEQ-1.8 suitable for various applications, including portable devices, sensors, and other electronics requiring stable voltage.

Pinout

The LT1764AEQ-1.8 is a low-dropout (LDO) linear voltage regulator from Analog Devices, specifically designed to provide a stable output voltage of 1.8V. It comes in a 5-lead TSOT-23 package, which has a pin count of 5.
### Pin Functions:
1. VIN: Input voltage supply. This pin receives the input voltage that the regulator will convert to the output voltage.
2. GND: Ground connection. This pin is the reference point for the output voltage and connects to the system ground.
3. VOUT: Output voltage. This pin provides the regulated output voltage (1.8V) to the load.
4. SHDN: Shutdown control. This pin allows the device to enter a low-power shutdown mode when pulled low.
5. NC: No Connect. This pin is not internally connected and can be left floating.
The LT1764AEQ-1.8 is known for its low noise, high PSRR, and excellent load and line transient response, making it suitable for various applications in portable devices and sensitive analog circuitry.

Manufacturer

The LT1764AEQ-1.8 is manufactured by Analog Devices, Inc. Analog Devices is a multinational company specializing in the design and production of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). Founded in 1965, the company serves a wide range of industries, including communications, automotive, healthcare, industrial automation, and consumer electronics.
The LT1764A is a low-noise voltage reference and precision voltage regulator, specifically designed for applications requiring high accuracy and stability. Analog Devices is known for its innovation in the semiconductor industry, focusing on creating solutions that enhance performance in various electronic systems.
With a strong emphasis on research and development, Analog Devices continues to advance technologies in signal processing and data conversion, making it a key player in the semiconductor market. The company's commitment to quality and reliability has positioned it as a trusted supplier for engineers and manufacturers worldwide.

Application

The LT1764AEQ-1.8 is a low-noise, low-dropout linear voltage regulator primarily used in precision analog applications. Its key application areas include powering RF and analog circuits, sensor power supplies, medical instrumentation, portable electronic devices, and precision measurement equipment. Its excellent power supply rejection ratio (PSRR) and low output noise make it suitable for high-performance systems where clean power is critical. Additionally, it can be used in battery-powered devices due to its low quiescent current.

Package

The LT1764AEQ-1.8 is available in a 5-lead SOT-23 package. This compact, surface-mount package is designed for low noise, low dropout voltage applications.

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