LTC3525DISC6-3.3

Product Overview

Category

The LTC3525DISC6-3.3 belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators category.

Use

This product is primarily used for voltage regulation in electronic devices and systems. It provides a stable output voltage, making it suitable for various applications.

Characteristics

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 3.3V
• Output Current: Up to 100mA
• Low Quiescent Current: 16µA
• High Efficiency: Up to 95%
• Shutdown Current: <1µA
• Small Package Size: SOT-23-6

Package

The LTC3525DISC6-3.3 is packaged in a small outline transistor (SOT) package known as SOT-23-6. This package offers compactness and ease of integration into various circuit designs.

Essence

The essence of LTC3525DISC6-3.3 lies in its ability to regulate input voltages within a specified range to provide a stable and reliable output voltage of 3.3V.

Packaging/Quantity

The LTC3525DISC6-3.3 is typically available in reels or tubes, with each reel containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 3.3V ±2%
• Output Current: Up to 100mA
• Quiescent Current: 16µA
• Efficiency: Up to 95%
• Shutdown Current: <1µA
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23-6

Detailed Pin Configuration

The LTC3525DISC6-3.3 has six pins arranged in the following configuration:

```

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| | --| VIN GND |-- Pin 1 --| EN SW |-- Pin 2 --| FB LX |-- Pin 3 --| PGND VOUT|-- Pin 4 --| NC |-- Pin 5 --|___________|-- Pin 6 ```

Pin 1: VIN - Input Voltage Pin 2: EN - Enable Pin Pin 3: FB - Feedback Pin Pin 4: PGND - Power Ground Pin 5: NC - No Connection Pin 6: LX - Switching Node

Functional Features

• Wide input voltage range allows for flexibility in various applications.
• Low quiescent current minimizes power consumption during standby or idle states.
• High efficiency ensures efficient power conversion and reduced heat dissipation.
• Shutdown mode with ultra-low current consumption for power-saving purposes.
• Compact package size enables easy integration into space-constrained designs.

Advantages and Disadvantages

Advantages

• Wide input voltage range provides versatility in different power supply scenarios.
• Low quiescent current helps conserve power, making it suitable for battery-powered devices.
• High efficiency reduces energy waste and extends battery life.
• Shutdown mode minimizes power consumption during standby periods.

Disadvantages

• Limited output current of up to 100mA may not be sufficient for high-power applications.
• The small package size may pose challenges during manual soldering or rework.

Working Principles

The LTC3525DISC6-3.3 operates as a step-down (buck) voltage regulator. It takes an input voltage within the specified range and converts it to a stable 3.3V output voltage. The internal control circuitry adjusts the duty cycle of the switching transistor (LX) to regulate the output voltage. Feedback from the FB pin is used to monitor and adjust the output voltage, ensuring it remains within the desired range.

Detailed Application Field Plans

The LTC3525DISC6-3.3 can be applied in various electronic systems and devices, including but not limited to: - Battery-powered portable devices - IoT (Internet of Things) applications - Embedded systems - Wearable devices - Consumer electronics - Industrial automation

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular linear voltage regulator with a fixed 3.3V output.
2. TPS54331: A synchronous buck converter with adjustable output voltage and higher output current capability.
3. LT1763: A low dropout (LDO) regulator with a fixed 3.3V output and ultra-low quiescent current.

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

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