LTC1159CS-3.3#PBF

Product Overview

Category

The LTC1159CS-3.3#PBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage regulation and power management purposes.

Characteristics

• Voltage regulation capabilities
• Power management features
• Compact size
• High efficiency
• Low power consumption

Package

The LTC1159CS-3.3#PBF is available in a small surface-mount package, which ensures easy integration into various electronic systems.

Essence

The essence of this product lies in its ability to regulate and manage voltage efficiently, ensuring stable and reliable power supply to electronic devices.

Packaging/Quantity

The LTC1159CS-3.3#PBF is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 3.3V
• Output Current: Up to 500mA
• Dropout Voltage: 200mV at 500mA
• Quiescent Current: 85µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC1159CS-3.3#PBF has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin
4. EN: Enable pin
5. VOUT: Output voltage pin

Functional Features

• Voltage regulation: The LTC1159CS-3.3#PBF provides a stable output voltage of 3.3V, regardless of input voltage fluctuations.
• Current limiting: It incorporates current limiting circuitry to protect the device and connected components from excessive current.
• Thermal shutdown: The IC includes a thermal shutdown feature that prevents overheating and damage to the device.
• Enable/disable control: The EN pin allows for easy enable/disable control of the voltage regulation function.

Advantages and Disadvantages

Advantages

• High efficiency, ensuring minimal power loss during voltage regulation.
• Compact size, enabling integration into space-constrained electronic systems.
• Wide input voltage range, making it compatible with various power sources.
• Low quiescent current, reducing power consumption in standby mode.

Disadvantages

• Limited output current capacity (up to 500mA), which may not be sufficient for high-power applications.
• Dropout voltage of 200mV at 500mA, which may result in slightly reduced output voltage under heavy load conditions.

Working Principles

The LTC1159CS-3.3#PBF utilizes a combination of voltage regulation techniques, including feedback control and current limiting, to maintain a stable output voltage of 3.3V. It operates by comparing the feedback voltage (FB) with a reference voltage, adjusting the internal circuitry to ensure the desired output voltage is maintained.

Detailed Application Field Plans

The LTC1159CS-3.3#PBF finds extensive application in various electronic devices, including but not limited to: - Portable consumer electronics - Battery-powered devices - Industrial automation systems - Automotive electronics - Medical equipment

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and functionality.
2. LT1763-3.3: Another alternative offering higher output current capacity.
3. TPS79633: An alternative with lower dropout voltage and higher efficiency.

These alternative models provide similar voltage regulation capabilities and can be considered based on specific application requirements.

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