LT1129IST-3.3#TRPBF

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LT1129IST-3.3#TRPBF

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IC REG LIN 3.3V 700MA SOT-223-3

  • HerstellerAnalog Devices Inc.

  • Herstellerteil #LT1129IST-3.3#TRPBF

  • Auf Lager9703

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Spezifikationen

Attribut Wert
Part Status Active
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 30V
Voltage - Output (Min / Fixed) 3.3V
Voltage Dropout (Max) 0.7V @ 700mA
Current - Output 700mA
Current - Quiescent (Iq) 70 µA
PSRR 64dB (120Hz)
Control Features Enable
Protection Features Over Temperature, Reverse Polarity
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case TO-261-4, TO-261AA
Supplier Device Package SOT-223-3
Base Product Number LT1129
Current - Supply (Max) 90 mA

Übersicht

Description

The LT1129IST-3.3#TRPBF is a low dropout (LDO) voltage regulator from Analog Devices, designed to provide a stable output voltage of 3.3V. It features a low dropout voltage, allowing it to maintain regulation with a minimal input-output voltage difference, which is beneficial for battery-powered applications. The device can deliver up to 1A of output current, making it suitable for various electronic devices requiring reliable power.
Key features include low quiescent current, which enhances efficiency, and thermal shutdown for protection against overheating. The LT1129IST-3.3#TRPBF is housed in a small 5-lead SOT-23 package, facilitating easy integration into compact designs. Its wide input voltage range (up to 15V) allows flexibility in system design.
Overall, the LT1129IST-3.3#TRPBF is ideal for applications such as portable devices, communication equipment, and other electronic systems where a stable and efficient power supply is crucial.

Equivalent

Equivalent products to the LT1129IST-3.3#TRPBF include:
1. LM1117-3.3
2. MCP1700-3302E
3. MIC5205-3.3
4. ADP3171
5. TPS76333
These voltage regulators provide similar functionality and output voltage, but ensure to verify specifications and performance characteristics for specific applications.

Features

The LT1129IST-3.3#TRPBF is a low dropout (LDO) voltage regulator designed to provide a stable 3.3V output with high accuracy and low noise. Key features include:
1. Input Voltage Range: Operates with a wide input voltage range, typically from 4V to 20V.
2. Dropout Voltage: Low dropout voltage of about 300mV at 1A load, ensuring efficient performance even with minimal input-output voltage difference.
3. Output Current: Capable of delivering up to 1A of output current.
4. Temperature Range: Designed for operation across a wide temperature range, typically from -40°C to +125°C.
5. Protection Features: Includes overcurrent and thermal shutdown protection for enhanced reliability.
6. Low Noise: Provides low output noise, making it suitable for sensitive applications like RF and precision analog circuits.
7. Package: Available in a compact 5-lead SOT-23 package, suitable for space-constrained designs.
These features make the LT1129IST-3.3#TRPBF ideal for various applications, including telecommunications, automotive, and industrial systems.

Pinout

The LT1129IST-3.3#TRPBF is a low-dropout (LDO) voltage regulator from Analog Devices. It has a total of 8 pins. Here’s a brief overview of its pin functions:
1. Input (VIN): Power supply input.
2. Ground (GND): Common ground connection.
3. Output (VOUT): Regulated output voltage (3.3V).
4. Bypass (BP): Bypass capacitor connection to improve transient response.
5. Adjust (ADJ): Used to set output voltage if adjustable version is used; not applicable in fixed version.
6. NC (No Connect): Not connected internally; can be left unconnected.
7. Comp (COMP): Compensation pin for stability; connects to external capacitors if needed.
8. Enable (EN): Active high enable pin to turn the regulator on or off.
This device is ideal for applications requiring a stable 3.3V output with low dropout voltage and high current capability.

Manufacturer

The LT1129IST-3.3#TRPBF is manufactured by Analog Devices, Inc. (ADI), which is an American multinational company specializing in the design and manufacturing of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). Founded in 1965, Analog Devices focuses on a wide range of applications, including communications, automotive, industrial, and consumer electronics.
The LT1129 series is known for its low dropout voltage regulator capabilities, making it suitable for various applications requiring stable power supply solutions. Analog Devices is recognized for its innovation in signal processing technology, and its products are widely used in various sectors, including healthcare, automotive, and automation. The company operates globally and is committed to providing high-quality semiconductor solutions to meet the demands of modern electronic systems.

Application

The LT1129IST-3.3#TRPBF is a high-precision voltage reference used in various applications, including:
1. Data Acquisition Systems: Provides stable reference voltage for ADCs.
2. Instrumentation: Ensures accuracy in measurement devices.
3. Analog-to-Digital Converters: Stabilizes input voltages for improved performance.
4. Power Management: Used in voltage regulation circuits for consistent output.
5. Telecommunications: Supports signal integrity in communication equipment.
6. Consumer Electronics: Implements precise voltage regulation in devices like TVs and audio equipment.
Its low noise and temperature coefficient make it suitable for demanding applications requiring high accuracy.

Package

The LT1129IST-3.3#TRPBF is housed in a SOT-223 package type.

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