LT1764EQ#PBF

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LT1764EQ#PBF

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IC REG LINEAR POS ADJ 3A 5DDPAK

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Specifications

Attribute Value
Package Tube
ProductStatus Active
OutputConfiguration Positive
OutputType Adjustable
NumberofRegulators 1
Voltage-Input(Max) 20V
Voltage-Output(Min/Fixed) 1.21V
Voltage-Output(Max) 20V
VoltageDropout(Max) 0.66V @ 3A
Current-Output 3A
Current-Quiescent(Iq) 1.5 mA
Current-Supply(Max) 200 mA
PSRR 63dB (120Hz)
ControlFeatures Enable
ProtectionFeatures Over Current, Over Temperature, Reverse Polarity
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case TO-263-6, D²Pak (5 Leads + Tab), TO-263BA

Overview

Description

The LT1764EQ#PBF is a low dropout (LDO) linear voltage regulator manufactured by Analog Devices. It is designed to provide a stable output voltage with a low dropout voltage of 340mV at a load current of 3A, making it suitable for applications requiring efficient power regulation. The device supports output voltages ranging from 1.21V to 20V, which are adjustable via external resistors. It features high accuracy and fast transient response, which are crucial for maintaining stable voltage in dynamic systems. Additionally, the LT1764EQ#PBF includes protection features such as current limiting and thermal shutdown to safeguard against overloads and overheating. The part comes in a thermally enhanced 5-pin TO-220 package, facilitating effective heat dissipation. It is commonly used in applications such as powering microprocessors, sensitive instrumentation, and communication devices, where precise voltage regulation is required. The "PBF" suffix indicates that the component is lead-free and RoHS compliant, aligning with modern environmental standards.

Equivalent

The LT1764EQ#PBF is a low-dropout (LDO) linear regulator made by Analog Devices (previously by Linear Technology). Equivalent products include:
1. LD1117 Series by STMicroelectronics
2. LM1117 Series by Texas Instruments
3. NCP1117 Series by ON Semiconductor
4. MIC29300 Series by Microchip Technology
These alternatives offer similar voltage and current ratings but may have differences in features or performance specifications. Always verify the datasheet to ensure compatibility with your specific application.

Features

The LT1764EQ#PBF is a low dropout (LDO) linear regulator designed for applications requiring efficient power management. Here are some key features:
1. Output Current: It can provide an output current of up to 3A.
2. Low Dropout Voltage: The device features a low dropout voltage of 340mV at full load, improving efficiency.
3. Input Voltage Range: It supports an input voltage range from 2.7V to 20V.
4. Adjustable Output Voltage: The output voltage is adjustable, with a range of 1.21V to 20V.
5. Fast Transient Response: It offers a fast transient response, which is beneficial in applications with varying load conditions.
6. Load Regulation: The device provides excellent load regulation.
7. Thermal Overload Protection: It includes thermal overload protection to prevent damage under overheating conditions.
8. Current Limiting: Integrated current limiting enhances safety and device protection.
9. Surface-Mount Package: The LT1764EQ#PBF is available in a surface-mount package to suit compact designs.
These features make it a versatile choice for powering digital ICs, telecommunications equipment, and other applications requiring stable and efficient voltage regulation.

Pinout

The LT1764EQ#PBF is a low dropout (LDO) linear voltage regulator from Analog Devices. It typically comes in a 5-pin TO-220 package. The functions of the pins are as follows:
1. VIN: This is the input voltage pin where the unregulated input voltage is supplied.
2. VOUT: This is the output pin where the regulated output voltage is delivered.
3. GND: This pin is connected to the ground.
4. SHDN (Shutdown): This pin is used to turn the regulator on or off. Bringing this pin low shuts down the regulator.
5. ADJ (Adjust): For the adjustable version, this pin is used to set the output voltage by connecting it to a resistor divider. In fixed voltage versions, this pin may not be present.
The LT1764EQ#PBF features a dropout voltage of around 340 mV at a load current of 3.5 A, making it suitable for applications requiring efficient power regulation with minimal difference between input and output voltages.

Manufacturer

The LT1764EQ#PBF is manufactured by Analog Devices, Inc. Analog Devices is an American multinational semiconductor company that specializes in the design, manufacturing, and marketing of integrated circuits used in electronic equipment. The company focuses on analog, mixed-signal, and digital signal processing (DSP) technologies. Analog Devices provides products and solutions for a wide range of applications, including industrial, automotive, communications, healthcare, and consumer electronics.

Application

The LT1764EQ#PBF is a low-dropout (LDO) linear voltage regulator commonly used in applications requiring efficient power management and precise voltage regulation. Key application areas include:
1. Telecommunications Equipment: Ensures stable power for sensitive communication circuits.
2. Industrial Automation: Provides power stability for control systems and sensors.
3. Consumer Electronics: Powers processors and ASICs in devices like smartphones and tablets.
4. Medical Devices: Supports reliable power supplies for diagnostic and monitoring equipment.
5. Networking Equipment: Maintains stable power for routers and switches.
Its low dropout, high output current capability, and thermal performance make it versatile for various demanding applications.

Package

The LT1764EQ#PBF is a fixed output low dropout (LDO) voltage regulator from Analog Devices. It comes in a TO-263 package type, which is a surface-mount, 5-lead, thermally enhanced power package often used for power management applications.

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