LTC3525ESC6-3

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: SC-70-6

Essence: The LTC3525ESC6-3 is a step-up DC/DC converter designed for power management applications. It provides efficient voltage conversion with low quiescent current, making it suitable for battery-powered devices.

Packaging/Quantity: The LTC3525ESC6-3 is available in a small SC-70-6 package. It is typically sold in reels or tubes containing multiple 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
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The LTC3525ESC6-3 has the following pin configuration:

```

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

• VIN: Input voltage
• SW: Switch node
• GND: Ground
• FB: Feedback pin
• EN: Enable pin
• VOUT: Output voltage

Functional Features

• High efficiency step-up voltage 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 conversion - Low quiescent current - Wide input voltage range - Adjustable output voltage - Small package size

Disadvantages: - Limited maximum output current (100mA) - Operating temperature range may not be suitable for extreme environments

Working Principles

The LTC3525ESC6-3 is a step-up DC/DC converter that uses a switching regulator to efficiently boost the input voltage to a higher output voltage. It operates by rapidly switching an internal power transistor on and off, storing energy in an inductor and capacitor, and delivering it to the output.

When the EN pin is high, the converter is enabled, and the VIN voltage is stepped up to the desired VOUT voltage. The FB pin provides feedback to regulate the output voltage within the specified range.

Detailed Application Field Plans

The LTC3525ESC6-3 is commonly used in various battery-powered applications, including: 1. Portable electronic devices 2. Wireless communication systems 3. Medical devices 4. Industrial sensors 5. IoT (Internet of Things) devices

Its small package size, low quiescent current, and adjustable output voltage make it suitable for power management in these applications.

Detailed and Complete Alternative Models

1. LTC3525ESC6-2.5: Similar to LTC3525ESC6-3, but with a fixed output voltage of 2.5V.
2. LTC3525ESC6-5: Similar to LTC3525ESC6-3, but with a fixed output voltage of 5V.
3. LTC3525ESC6-ADJ: Similar to LTC3525ESC6-3, but with an adjustable output voltage range.

These alternative models provide options for different output voltage requirements while maintaining similar characteristics and functionality.

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