LTC3525ISC6-5#TRMPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency step-up DC/DC converter - Low quiescent current - Wide input voltage range - Adjustable output voltage - Small package size

Package: SOT-23-6

Essence: The LTC3525ISC6-5#TRMPBF is a high-efficiency step-up DC/DC converter designed for power management applications. It provides a regulated output voltage from a wide input voltage range, making it suitable for various electronic devices.

Packaging/Quantity: The LTC3525ISC6-5#TRMPBF is available in a SOT-23-6 package. It is typically sold in reels of 3000 units.

Specifications

• Input Voltage Range: 1.8V to 5.5V
• Output Voltage Range: 2.5V to 5.25V
• Maximum Output Current: 100mA
• Quiescent Current: 16µA
• Efficiency: Up to 96%
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LTC3525ISC6-5#TRMPBF has six pins arranged as follows:

```

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| | --| VIN SW |-- --| GND FB |-- --| EN VOUT|-- |___________| ```

Pin Description: - VIN: Input voltage pin - SW: Switching node pin - GND: Ground pin - FB: Feedback pin - EN: Enable pin - VOUT: Output voltage pin

Functional Features

• High efficiency conversion
• Low quiescent current for extended battery life
• Adjustable output voltage for flexibility
• Thermal shutdown and current limit protection
• Small package size for space-constrained applications

Advantages and Disadvantages

Advantages: - High efficiency operation saves power - Wide input voltage range allows compatibility with various power sources - Adjustable output voltage suits different device requirements - Small package size enables compact designs - Thermal shutdown and current limit protection enhance reliability

Disadvantages: - Limited maximum output current (100mA) - Requires external components for operation

Working Principles

The LTC3525ISC6-5#TRMPBF is a step-up DC/DC converter that uses a high-frequency switching regulator to efficiently boost the input voltage to a higher regulated output voltage. It employs a pulse width modulation (PWM) control scheme to regulate the output voltage.

When enabled, the internal switch connects the input voltage to the inductor, storing energy in its magnetic field. The energy is then transferred to the output capacitor when the switch is turned off. This process repeats at a high frequency, resulting in a stable output voltage.

Detailed Application Field Plans

The LTC3525ISC6-5#TRMPBF is commonly used in various battery-powered applications, such as: - Portable electronic devices - Wireless communication systems - Handheld instruments - Medical devices - Industrial sensors

Its ability to efficiently convert low input voltages to higher output voltages makes it suitable for applications where battery life and small form factor are critical.

Detailed and Complete Alternative Models

Some alternative models to the LTC3525ISC6-5#TRMPBF include: - LT1308CS8#PBF - MAX1724EZK33+T - TPS61200DRCT - MCP1640BT-I/CHY

These models offer similar functionality and can be considered as alternatives based on specific application requirements.

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