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LT1765EFE

Name: LT1765EFE
Rating: 4.7 (12 reviews)

IC REG BUCK ADJ 3A 16TSSOP

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資料表 LT1765EFE DataSheet
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規格

Part Status	Obsolete
Base Product Number	LT1765
Function	Step-Down
Output Configuration	Positive
Topology	Buck
Output Type	Adjustable
Number of Outputs	1
Voltage - Input (Min)	3V
Voltage - Input (Max)	25V
Voltage - Output (Min/Fixed)	1.2V
Voltage - Output (Max)	22.5V
Current - Output	3A
Frequency - Switching	1.25MHz
Synchronous Rectifier	No
Mounting Type	Surface Mount
Package	16-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package	16-TSSOP-EP
Packaging	Tube

概述

Description

The LT1765EFE is a precision voltage reference and regulator designed by Analog Devices (formerly Linear Technology). It features low dropout voltage, high accuracy, and low noise, making it suitable for applications that require stable reference voltages. The device offers an output voltage of 1.225V with a temperature coefficient of 20 ppm/°C, ensuring minimal drift over temperature variations.
Key features include low quiescent current, high power supply rejection ratio (PSRR), and the ability to operate over a wide temperature range. The LT1765EFE is often used in precision analog circuits, data acquisition systems, and instrumentation where stable voltage references are critical. Its compact package and ease of integration make it a popular choice among engineers for both portable and stationary applications.
Overall, the LT1765EFE is an effective solution for designers seeking reliable voltage regulation and reference in high-accuracy electronic systems.

Features

The LT1765EFE is a high-precision, low-noise voltage reference from Analog Devices. Key features include:
1. Low Noise: Offers excellent noise performance, essential for precision applications.
2. High Accuracy: Provides a very low temperature coefficient, ensuring stability over temperature variations.
3. Wide Input Voltage Range: Can operate with input voltages up to 36V, accommodating diverse applications.
4. Low Output Impedance: Delivers stable voltage across varying load conditions.
5. Temperature Range: Operates efficiently over a wide temperature range, making it suitable for industrial applications.
6. Small Package: Available in an 8-lead MSOP package, ensuring compact designs.
7. Low Quiescent Current: Minimizes power consumption, enhancing energy efficiency.
This device is ideal for use in precision analog circuits, instrumentation, and as a reference in ADCs/DACs.

Package

The LT1765EFE is packaged in a 5-lead TO-220 style package, which provides efficient heat dissipation and is suitable for applications requiring high power performance.

Pinout

The LT1765EFE is a low noise precision voltage reference from Analog Devices with a pin count of 8.
### Pin Functions:
1. Pin 1 (VOUT): Output voltage. Provides the reference voltage.
2. Pin 2 (V+ or VIN): Positive supply voltage input. Connect to the input power supply.
3. Pin 3 (GND): Ground. Connect to the system ground.
4. Pin 4 (NC): No connection. Not internally connected, can be left floating.
5. Pin 5 (NC): No connection. Not internally connected, can be left floating.
6. Pin 6 (COMP): Compensation pin. Used for stability and compensation.
7. Pin 7 (VREF): Reference voltage output. Provides an internal reference voltage.
8. Pin 8 (VOUT): Another output for reference voltage (often a duplicate of Pin 1).
The LT1765EFE is designed for high accuracy and low noise applications, providing stable reference voltage outputs.

Manufacturer

The LT1765EFE is manufactured by Analog Devices, Inc. Analog Devices is an American multinational company that specializes in designing and manufacturing analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Established in 1965, the company is known for its high-performance semiconductor products used in various applications, including communications, automotive, industrial, and consumer electronics. Analog Devices focuses on innovation and quality, catering primarily to engineers and designers in the electronics industry, providing solutions that enhance performance and efficiency in electronic systems.

Application

The LT1765EFE is a low noise, high-performance voltage reference suitable for precision analog applications. Its application areas include:
1. Analog-to-digital converters (ADCs)
2. Digital-to-analog converters (DACs)
3. Precision instrumentation
4. Medical devices
5. Industrial control systems
6. Data acquisition systems
7. Calibration equipment
Its low noise and high stability make it ideal for applications requiring accurate voltage references.

Equivalent

Equivalent products to the LT1765EFE chip include the ADP715 from Analog Devices, TPS7A47 from Texas Instruments, and LM317 from Texas Instruments (for adjustable output). These alternatives provide similar low noise, low dropout performance, and are suitable for precision applications. Always verify specific parameters to ensure compatibility with your application requirements.