LTC1589CG

Product Overview

Category: Integrated Circuit (IC)

Use: The LTC1589CG is a versatile voltage reference and regulator designed for use in various electronic applications. It provides a stable and accurate voltage reference, as well as the ability to regulate an external power supply.

Characteristics: - High precision and stability - Low dropout voltage - Wide input voltage range - Adjustable output voltage - Low quiescent current - Thermal shutdown protection

Package: The LTC1589CG is available in a compact and durable ceramic package, which ensures excellent thermal performance and reliability.

Essence: The essence of LTC1589CG lies in its ability to provide a reliable and precise voltage reference and regulator, making it an essential component in many electronic devices.

Packaging/Quantity: The LTC1589CG is typically sold in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 36V
• Output Voltage Range: 1.25V to 20V
• Dropout Voltage: 300mV at 10mA load current
• Quiescent Current: 50µA
• Temperature Range: -40°C to 125°C
• Package Type: Ceramic SOT-23

Pin Configuration

The LTC1589CG features a standard SOT-23 package with three pins:

1. VOUT: Output voltage pin
2. VIN: Input voltage pin
3. GND: Ground pin

Functional Features

1. Voltage Reference: The LTC1589CG provides a stable and accurate voltage reference, ensuring precise voltage regulation in electronic circuits.
2. Voltage Regulation: It can be used as a voltage regulator to maintain a constant output voltage, even when the input voltage varies.
3. Low Dropout Voltage: The low dropout voltage allows the LTC1589CG to operate efficiently even when the input voltage is close to the desired output voltage.
4. Adjustable Output Voltage: The output voltage can be adjusted using external resistors, providing flexibility in various applications.
5. Low Quiescent Current: The low quiescent current ensures minimal power consumption when the device is in standby or idle mode.
6. Thermal Shutdown Protection: The LTC1589CG incorporates thermal shutdown protection, preventing damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - High precision and stability - Wide input voltage range - Adjustable output voltage - Low quiescent current - Thermal shutdown protection

Disadvantages: - Limited maximum output voltage (20V) - Requires external components for voltage adjustment

Working Principles

The LTC1589CG operates by comparing the reference voltage with the input voltage. It adjusts the output voltage to maintain a constant value, compensating for any variations in the input voltage. This is achieved through internal circuitry that regulates the voltage based on feedback from the reference voltage.

Application Field Plans

The LTC1589CG finds applications in various electronic systems, including but not limited to: - Power supply circuits - Battery-powered devices - Industrial control systems - Test and measurement equipment - Automotive electronics - Communication systems

Alternative Models

1. LT6657: Precision voltage reference with ultra-low noise performance.
2. MAX619: Low-dropout voltage reference with adjustable output voltage.
3. LM4040: Shunt voltage reference with high accuracy and low temperature coefficient.

These alternative models offer similar functionality and can be considered as substitutes for the LTC1589CG in specific applications.

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