LT1521CS8-3.3

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LT1521CS8-3.3

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Attribut Wert
Series LT1521
Brand Analog Devices
Product Type LDO Voltage Regulators
Subcategory PMIC - Power Management ICs
Product Linear Regulators
Type Positive Linear Regulator
Minimum Operating Temperature 0 C
Maximum Operating Temperature + 125 C
Shipping Restrictions Mouser does not presently sell this product in your region.
Package / Case SOIC-8
Height 1.75 mm
Output Voltage 3.3 V
Load Regulation - 20 V
Current - Output 300 mA
Number of Outputs 1 Output
Input Voltage - Min 4.3 V
Input Voltage - Max 20 V
Current - Supply 12 uA
Ib - Input Bias Current 50 nA
Polarity Positive
Current - Quiescent (Iq) 12 uA
PSRR / Ripple Rejection - Typ 58 dB
Output Type Fixed
Dropout Voltage 500 mV
Voltage Dropout (Max) 750 mV
Line Regulation 1.5 mV

Übersicht

Description

The LT1521CS8-3.3 is a precision voltage reference integrated circuit (IC) designed by Analog Devices. It provides a stable output voltage of 3.3 volts with low noise and high accuracy, making it suitable for a variety of applications, including analog-to-digital converters, precision measurement systems, and reference voltage sources in digital circuits.
Key features include a low temperature coefficient, excellent load and line regulation, and a fast settling time, which enhance its performance in demanding environments. The device operates over a wide temperature range and has a low dropout voltage, allowing it to maintain output stability even with varying supply voltages.
The LT1521 is available in an 8-pin SOIC package, making it compact and easy to integrate into various PCB designs. Additionally, it supports a range of output currents, providing versatility for different applications. Overall, the LT1521CS8-3.3 is ideal for engineers seeking a reliable and precise voltage reference for their electronic designs.

Equivalent

The LT1521CS8-3.3 is a low-dropout voltage reference. Equivalent products include the LM4040, TL431, LM295, LM1117, and LT1763. These alternatives vary in output voltage, current capability, and temperature coefficient, so ensure compatibility with your specific application requirements when selecting a substitute.

Features

The LT1521CS8-3.3 is a precision voltage reference with the following key features:
1. Output Voltage: Provides a fixed output of 3.3V with high accuracy.
2. Low Noise: Excellent voltage noise performance, minimizing interference in sensitive applications.
3. Temperature Coefficient: Low temperature coefficient, ensuring stability across varying temperatures.
4. Input Voltage Range: Wide input voltage range, allowing flexibility in power supply options.
5. Output Current: Capable of sourcing and sinking significant output current, making it suitable for various loads.
6. Low Drift: Maintains stable output without significant drift over time or temperature.
7. Package Type: Available in an 8-lead SOIC package, facilitating easy integration into circuit designs.
8. High Line and Load Regulation: Offers strong regulation performance, ensuring consistent output under varying conditions.
These features make the LT1521CS8-3.3 ideal for precision applications such as analog-to-digital converters, instrumentation, and other reference voltage needs.

Pinout

The LT1521CS8-3.3 is a voltage reference IC with an 8-pin configuration (DIP or SOIC package). Its primary function is to provide a stable reference voltage of 3.3V with low noise and low temperature coefficient.
The pinout details are as follows:
1. VOUT: Output voltage (3.3V reference)
2. GND: Ground
3. NC: No Connect
4. NC: No Connect
5. VBIAS: Bias voltage input for improved performance
6. COMP: Compensation pin for stability
7. TRIM: Trimming pin for output voltage adjustment
8. VIN: Input supply voltage (supports a range that allows proper operation)
This IC is commonly used in precision applications requiring accurate voltage references.

Manufacturer

The manufacturer of the LT1521CS8-3.3 is Analog Devices, Inc. This company is well-known for its expertise in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). Founded in 1965, Analog Devices provides a wide range of semiconductor solutions used across various industries, including communications, automotive, industrial automation, healthcare, and consumer electronics. The LT1521 series, which includes the LT1521CS8-3.3, is a voltage reference device designed for precision applications, offering low noise and excellent temperature stability. Analog Devices is recognized for its commitment to innovation and quality, making it a leading player in the semiconductor sector.

Application

The LT1521CS8-3.3 is a precision low dropout voltage regulator used in various applications. Key areas include:
1. Power Management: Providing stable voltage for microcontrollers and digital circuits.
2. Battery-Powered Devices: Ensuring efficient operation with minimal dropout voltage.
3. Signal Conditioning: Powering analog circuits like sensors and operational amplifiers.
4. Telecommunications: Supporting voltage regulation in communication equipment.
5. Consumer Electronics: Used in devices requiring stable power supply, such as cameras and portable gadgets.
Its precision and low noise make it suitable for sensitive applications requiring reliable performance.

Package

The LT1521CS8-3.3 is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) format. This surface-mount package is designed for compact applications and provides excellent thermal performance.

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