LTC3541EDD#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

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

Package: DFN-8 (3mm x 3mm)

Essence: The LTC3541EDD#TRPBF is a power management IC designed for step-up DC/DC conversion. It offers high efficiency and low quiescent current, making it suitable for various applications.

Packaging/Quantity: The LTC3541EDD#TRPBF is available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 2.5V to 5.25V
• Quiescent Current: 20µA (typical)
• Switching Frequency: 1.2MHz (typical)
• Efficiency: Up to 94%
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The LTC3541EDD#TRPBF 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

1. High Efficiency: The LTC3541EDD#TRPBF offers high efficiency, allowing for maximum power conversion from the input to the output.
2. Low Quiescent Current: With a low quiescent current, the IC minimizes power consumption when in standby or idle mode.
3. Wide Input Voltage Range: The IC can operate with input voltages ranging from 2.7V to 5.5V, providing flexibility for various power sources.
4. Adjustable Output Voltage: The output voltage can be adjusted within the range of 2.5V to 5.25V, catering to different application requirements.
5. Small Package Size: The DFN-8 package with dimensions of 3mm x 3mm allows for compact and space-efficient designs.

Advantages and Disadvantages

Advantages: - High efficiency conversion - Low power consumption in standby mode - Wide input voltage range for versatility - Adjustable output voltage for customization - Compact package size for space-constrained applications

Disadvantages: - Limited output voltage range (2.5V to 5.25V) - May require additional external components for specific applications

Working Principles

The LTC3541EDD#TRPBF is a step-up DC/DC converter that utilizes a switching regulator to efficiently boost the input voltage to a higher output voltage. It operates by controlling the switch node (SW) to regulate the energy transfer from the input to the output. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle of the switch to maintain a stable output.

Application Field Plans

The LTC3541EDD#TRPBF is suitable for various applications, including but not limited to: 1. Battery-powered devices requiring efficient power conversion. 2. Portable electronics such as smartphones, tablets, and wearable devices. 3. IoT devices and sensors operating on low input voltages. 4. Industrial equipment and automation systems. 5. Automotive electronics, particularly for powering sensors and control modules.

Alternative Models

1. LTC3525EDD#TRPBF: Similar step-up DC/DC converter with adjustable output voltage and low quiescent current.
2. LTC3526EDD#TRPBF: Step-up DC/DC converter with higher output voltage range and adjustable feedback voltage.
3. LTC3549EDD#TRPBF: Integrated power management IC with multiple outputs and additional features for more complex applications.

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

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