LTC3525ESC6-5

Product Overview

Category

The LTC3525ESC6-5 belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 1.8V to 5.5V
• Output Voltage: 5V
• Maximum Output Current: 100mA
• Efficiency: Up to 95%
• Shutdown Current: <1µA
• Operating Temperature Range: -40°C to 85°C

Package

The LTC3525ESC6-5 comes in a small SOT-23 package.

Essence

This voltage regulator is designed to provide a stable 5V output voltage from a wide range of input voltages.

Packaging/Quantity

The LTC3525ESC6-5 is typically available in tape and reel packaging, with 3000 units per reel.

Specifications

• Input Voltage Range: 1.8V to 5.5V
• Output Voltage: 5V
• Maximum Output Current: 100mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 16µA
• Ripple Rejection: 70dB at 1kHz
• Load Regulation: ±0.5%
• Line Regulation: ±0.2%

Detailed Pin Configuration

The LTC3525ESC6-5 has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. SW (Switching Node)
4. FB (Feedback)
5. EN (Enable)

Functional Features

• Wide input voltage range allows for flexibility in various applications.
• Low dropout voltage ensures efficient power conversion.
• Low quiescent current minimizes power consumption.
• Excellent ripple rejection provides clean output voltage.
• Enable pin allows for easy on/off control.

Advantages

• Small package size enables space-saving designs.
• High efficiency results in less power dissipation.
• Wide input voltage range accommodates different power sources.
• Low quiescent current prolongs battery life.
• Good load and line regulation ensures stable output voltage.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• SOT-23 package may require additional heat dissipation measures in certain cases.

Working Principles

The LTC3525ESC6-5 utilizes a step-down switching regulator topology to efficiently convert the input voltage to a stable 5V output. It employs a pulse width modulation (PWM) control scheme to regulate the output voltage. The feedback pin monitors the output voltage and adjusts the duty cycle of the internal switch to maintain the desired output voltage.

Detailed Application Field Plans

The LTC3525ESC6-5 is commonly used in various portable electronic devices, such as:

1. Battery-powered devices: It can regulate the voltage from a battery source to power microcontrollers, sensors, and other low-power components.
2. Wearable devices: Its small form factor makes it suitable for wearable electronics, providing a stable power supply for sensors, displays, and communication modules.
3. IoT devices: With its wide input voltage range, it can be used in IoT devices powered by different energy sources, such as solar panels or energy harvesting modules.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LTC3525ESC6-5 include:

1. LM317: A linear voltage regulator with adjustable output voltage.
2. LT1763: A low dropout (LDO) voltage regulator with higher output current capability.
3. TPS5430: A synchronous buck converter with higher output power handling capacity.

These alternative models can be considered based on specific application requirements and design constraints.

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