LM3687TL-1815/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Small package size - Wide input voltage range

Package: ThinSOT-23-5

Essence: The LM3687TL-1815/NOPB is a voltage regulator IC that provides a regulated output voltage from an unregulated input voltage. It is designed to deliver high efficiency and low dropout voltage, making it suitable for various applications.

Packaging/Quantity: The LM3687TL-1815/NOPB is available in a ThinSOT-23-5 package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.8V
• Maximum Output Current: 1A
• Dropout Voltage: 200mV at 1A
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM3687TL-1815/NOPB has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. VOUT: Output voltage pin

Functional Features

• High Efficiency: The LM3687TL-1815/NOPB utilizes advanced circuitry to achieve high efficiency, minimizing power loss and maximizing battery life.
• Low Dropout Voltage: With a low dropout voltage of only 200mV at 1A, the LM3687TL-1815/NOPB can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Small Package Size: The ThinSOT-23-5 package offers a compact form factor, making it suitable for space-constrained applications.
• Wide Input Voltage Range: The LM3687TL-1815/NOPB can accept input voltages ranging from 2.7V to 5.5V, allowing it to be used with various power sources.

Advantages and Disadvantages

Advantages: - High efficiency design - Low dropout voltage - Small package size - Wide input voltage range

Disadvantages: - Limited output voltage options (only 1.8V)

Working Principles

The LM3687TL-1815/NOPB is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the feedback voltage (FB) with a reference voltage to control the pass transistor's conduction, maintaining a stable output voltage. The enable pin (EN) allows the regulator to be turned on or off as needed.

Detailed Application Field Plans

The LM3687TL-1815/NOPB can be used in various applications, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Wearable devices - Embedded systems

Detailed and Complete Alternative Models

Some alternative models to the LM3687TL-1815/NOPB include: - LM1117-1.8 - LP2985-1.8 - MCP1700-1802E/TO

These models offer similar functionality and characteristics, providing alternatives for different design requirements.

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