LT1764AEQ-1.8

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LT1764AEQ-1.8

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사양

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
Output Current 3 A
Number of Outputs 1 Output
Input Voltage - Min 2.7 V
Input Voltage - Max 20 V
Operating Supply Current 1 mA
Ib - Input Bias Current 3 uA
Polarity Positive
Quiescent Current 1 mA
PSRR / Ripple Rejection - Typ 63 dB
Output Type Fixed
Dropout Voltage 340 mV
Dropout Voltage - Max 660 mV
Line Regulation 3 mV

개요

Description

The LT1764AEQ-1.8 is a low-dropout (LDO) linear voltage regulator designed by Analog Devices, initially from Linear Technology. It provides a fixed output voltage of 1.8V with a maximum output current of 3A. The device is known for its low dropout voltage of approximately 340mV at full load, which makes it efficient for providing stable power in applications with low input-output voltage differentials.
Key features include fast transient response, low quiescent current, and excellent line and load regulation. It also includes protection features such as thermal shutdown and current limiting to safeguard against operational stresses. The LT1764AEQ-1.8 operates over a wide input voltage range and offers a compact solution with a small package size, which makes it suitable for use in battery-powered devices, portable instruments, and post-regulation applications.
Designers value this regulator for its reliability and performance in tight power budgets where efficiency and thermal management are crucial. Its robust design ensures minimal external components, simplifying the overall circuit design and reducing cost.

Features

The LT1764AEQ-1.8 is a low dropout (LDO) linear regulator designed to provide a stable output voltage of 1.8V. Its key features include:
1. Output Current Capability: Can deliver up to 3A of output current.
2. Low Dropout Voltage: Typically around 340mV at full load, making it efficient for low voltage applications.
3. Fast Transient Response: Provides excellent performance in applications requiring rapid changes in load.
4. Low Noise: Designed with low output voltage noise, enhancing performance in sensitive applications.
5. Thermal Protection: Includes overtemperature shutdown to prevent damage during overheating.
6. Current Limiting: Protects the regulator and load from excessive current conditions.
7. Stability: Stable operation with a range of output capacitors, including low ESR ceramic capacitors.
8. Input Voltage Range: Operates over a wide input voltage range, enhancing flexibility in power supply designs.
Overall, the LT1764AEQ-1.8 is suitable for applications that require efficient power regulation with high output current and low noise, such as in digital circuits, battery-powered devices, and telecommunications equipment.

Package

The LT1764AEQ-1.8 is a low dropout (LDO) linear voltage regulator from Analog Devices, packaged in a 5-pin TO-220 (Transistor Outline) form. This package type is designed for enhanced thermal performance, making it suitable for applications requiring efficient heat dissipation.

Pinout

The LT1764AEQ-1.8 is a low dropout (LDO) linear voltage regulator. It typically comes in a 5-pin DD-Pak or TO-220 package. The function of this device is to provide a stable 1.8V output voltage from a higher input voltage while maintaining a low dropout voltage. It is designed for applications where a precise and regulated voltage is required with minimal voltage drop from input to output.
The pin functions are generally as follows:
1. VIN (Input Voltage): This pin is where the unregulated input voltage is applied.
2. GND (Ground): This pin is the ground reference for the regulator.
3. VOUT (Output Voltage): This pin provides the regulated 1.8V output voltage.
4. ADJ/FB (Adjust/Feedback): In some adjustable versions of LDOs, this pin is used to set the output voltage through an external resistor divider.
5. SHDN (Shutdown): This optional pin can be used to turn the regulator on or off.
Make sure to refer to the latest datasheet for precise pin configuration and additional details specific to your application requirements.

Manufacturer

The LT1764AEQ-1.8 is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in designing and manufacturing analog, mixed-signal, and digital signal processing integrated circuits. The company provides solutions for a wide range of industries including aerospace, automotive, communications, healthcare, and industrial applications. Known for its innovation in technology, Analog Devices plays a significant role in the development of components that enable efficient signal processing and data conversion.

Application

The LT1764AEQ-1.8 is a low dropout (LDO) linear regulator designed for applications requiring a stable 1.8V output with high current capability. Its primary application areas include powering microprocessors and microcontrollers, digital signal processors (DSPs), and field-programmable gate arrays (FPGAs). Additionally, it is suitable for use in telecommunications equipment, networking devices, and portable electronics where efficient power supply and thermal performance are critical. Its low dropout voltage and fast transient response make it ideal for battery-powered devices and systems requiring tight voltage regulation.

Equivalent

The LT1764AEQ-1.8 is a low-dropout (LDO) linear voltage regulator. Equivalent products would include similar LDO regulators with a fixed 1.8V output, high current capacity, low dropout voltage, and similar package types. Potential equivalents include:
1. LM1084IT-1.8 from Texas Instruments
2. MIC29302WT from Microchip Technology
3. NCP5663DT-1.8 from ON Semiconductor
Ensure to compare specifications like dropout voltage, load current, thermal performance, and package compatibility for exact matching.

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