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LT1761IS5-3.3#TRMPBF

Name: LT1761IS5-3.3#TRMPBF
Rating: 4.7 (12 reviews)

IC REG LIN 3.3V 100MA TSOT-23-5

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資料表 LT1761IS5-3.3#TRMPBF DataSheet
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規格

Part Status	Active
Output Configuration	Positive
Output Type	Fixed
Number of Regulators	1
Voltage - Input (Max)	20V
Voltage - Output (Min/Fixed)	3.3V
Voltage Dropout (Max)	0.45V @ 100mA
Current - Output	100mA
PSRR	65dB (120Hz)
Control Features	Enable
Protection Features	Over Current, Over Temperature, Reverse Polarity
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	SOT-23-5 Thin, TSOT-23-5
Supplier Device Package	TSOT-23-5
Base Product Number	LT1761

概述

Description

The LT1761IS5-3.3#TRMPBF is a low-dropout (LDO) linear voltage regulator designed for applications requiring a stable output voltage of 3.3V. It is manufactured by Analog Devices and features a high output current capacity of up to 100mA, making it suitable for powering low-power analog and digital circuits.
Key characteristics include a low dropout voltage of 300mV at full load, low quiescent current (typical 20µA), and good transient response, which helps maintain stability during load variations. The device operates over a wide input voltage range, typically from 1.8V to 20V.
The LT1761 package is a 5-lead SOT-23, which is compact and ideal for space-constrained applications. The regulator is also designed with internal protection features, such as current limiting and thermal shutdown, ensuring reliable operation.
Overall, the LT1761IS5-3.3#TRMPBF is suitable for battery-powered devices, portable electronics, and other sensitive applications requiring efficient voltage regulation.

Features

The LT1761IS5-3.3#TRMPBF is a low dropout (LDO) voltage regulator designed for precision applications. Key features include:
1. Output Voltage: Fixed output of 3.3V.
2. Low Dropout Voltage: Typically 0.1V at 100mA, allowing efficient operation even when the input voltage is close to the output voltage.
3. High PSRR: Excellent power supply rejection ratio, ensuring stable output despite variations in input voltage.
4. Low Noise: Designed for low output noise, making it suitable for sensitive applications.
5. High Output Current: Can deliver up to 100mA of continuous current.
6. Thermal Protection: Includes built-in thermal shutdown to prevent damage under excessive power conditions.
7. Small Package: Available in a 5-lead TSOT-23 package, suitable for space-constrained applications.
8. Wide Input Voltage Range: Operates from 1.8V to 20V input voltage.
Overall, the LT1761IS5-3.3#TRMPBF is ideal for powering RF receivers, sensors, and other low-power devices that require stable voltage regulation.

Package

The LT1761IS5-3.3#TRMPBF is packaged in a 5-lead SOT-23 (SOT-23-5) type package. This surface-mount package is compact, suitable for space-constrained applications, and provides good thermal performance.

Pinout

The LT1761IS5-3.3#TRMPBF is a low-dropout (LDO) voltage regulator from LT (now part of Analog Devices). It comes in a 5-pin SOT-23 package.
Pin Count and Functions:
1. Pin 1 (IN): Input voltage supply.
2. Pin 2 (GND): Ground reference.
3. Pin 3 (OUT): Regulated output voltage (3.3V).
4. Pin 4 (NC): No connect (not internally connected).
5. Pin 5 (FB): Feedback pin to set the output voltage (used in adjustable versions).
The LT1761 features low dropout voltage, high output current capability, and excellent transient response, making it suitable for various applications requiring stable and efficient voltage regulation.

Manufacturer

The manufacturer of the LT1761IS5-3.3#TRMPBF is Analog Devices, Inc. (ADI). Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices serves a variety of sectors, including telecommunications, automotive, industrial, and consumer electronics. The company is known for its high-performance products that enable precise signal processing and data conversion in electronic systems.

Application

The LT1761IS5-3.3#TRMPBF is a low-noise, low-dropout (LDO) voltage regulator primarily used in precision analog applications. Its key application areas include powering RF and wireless communication devices, high-performance data acquisition systems, sensitive sensor circuits, and portable battery-powered equipment. The device is suitable for applications requiring stable and low-output voltage with minimal noise, ensuring high performance in various electronic designs.

Equivalent

Equivalent products to the LT1761IS5-3.3#TRMPBF include the MCP1700-3302E/TO, LP2950-3.3, MIC5205-3.3, and LM1117-3.3. These voltage references provide similar output voltage and specifications, but always verify the specific requirements like dropout voltage and load current to ensure compatibility.