LP3470IM5-3.65

Product Overview

Category

LP3470IM5-3.65 belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize voltage levels.

Characteristics

• Voltage Output: 3.65V
• Package Type: SOT-23-5
• Low Dropout Voltage: 150mV at 100mA
• Quiescent Current: 1µA (typical)
• Operating Temperature Range: -40°C to +125°C

Package and Quantity

LP3470IM5-3.65 is available in a SOT-23-5 package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 3.65V ±2%
• Dropout Voltage: 150mV (typical) at 100mA load
• Quiescent Current: 1µA (typical)
• Maximum Output Current: 100mA
• Line Regulation: 0.05%/V (typical)
• Load Regulation: 0.1%/mA (typical)
• Ripple Rejection: 70dB (typical) at 1kHz
• Shutdown Current: 0.1µA (typical)

Pin Configuration

The LP3470IM5-3.65 has five pins arranged as follows:

```

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| | --| Vout | --| GND | --| EN | --| Vin | |___________| ```

Pin Description: - Vout: Output Voltage - GND: Ground - EN: Enable Pin (Active High) - Vin: Input Voltage

Functional Features

1. Low Dropout Voltage: The LP3470IM5-3.65 exhibits a low dropout voltage of 150mV at 100mA load, ensuring efficient regulation even with small input-output differentials.
2. Low Quiescent Current: With a typical quiescent current of 1µA, this voltage regulator minimizes power consumption when the load is light or inactive.
3. Wide Input Voltage Range: The device can operate within an input voltage range of 2.5V to 6.5V, making it suitable for various applications.
4. Excellent Line and Load Regulation: The LP3470IM5-3.65 provides good line and load regulation, maintaining stable output voltage under varying input voltages and loads.
5. Shutdown Mode: The enable pin (EN) allows the device to enter a low-power shutdown mode, reducing power consumption to as low as 0.1µA.

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures efficient regulation.
• Low quiescent current minimizes power consumption.
• Wide input voltage range allows for versatile applications.
• Good line and load regulation maintain stable output voltage.
• Shutdown mode reduces power consumption in idle periods.

Disadvantages

• Limited maximum output current of 100mA may not be sufficient for high-power applications.
• SOT-23-5 package may require surface mount soldering techniques.

Working Principles

The LP3470IM5-3.65 is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage. The dropout voltage is minimized by using a low resistance pass element.

Application Field Plans

The LP3470IM5-3.65 can be used in various electronic applications, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Wearable devices - Embedded systems

Alternative Models

Some alternative models that offer similar functionality to LP3470IM5-3.65 include: - LM1117-3.3: A 3.3V voltage regulator with similar characteristics and package type. - MCP1702-3302E: Another 3.3V voltage regulator available in a SOT-23-5 package. - LD1117S33TR: A low dropout voltage regulator with a fixed output voltage of 3.3V.

These alternatives can be considered based on specific application requirements and availability.

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