L6701TR

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency voltage regulator - Low dropout voltage - Adjustable output voltage - Overcurrent and thermal protection - Small package size

Package: SOT-23-5

Essence: The L6701TR is a power management IC designed for high-efficiency voltage regulation in various electronic devices.

Packaging/Quantity: The L6701TR is available in a SOT-23-5 package. It is typically sold in reels of 3000 units.

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage Range: 0.8V to VIN - 0.3V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The L6701TR has five pins arranged as follows:

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

Pin Description: - VOUT: Output voltage pin - GND: Ground pin - FB: Feedback pin for adjusting the output voltage - EN: Enable pin for turning the IC on/off - VIN: Input voltage pin

Functional Features

1. High Efficiency: The L6701TR utilizes advanced circuitry to achieve high efficiency in voltage regulation, minimizing power losses.

2. Low Dropout Voltage: With a low dropout voltage of only 200mV at 100mA, the L6701TR can maintain stable output voltage even when the input voltage is close to the desired output voltage.

3. Adjustable Output Voltage: The feedback pin (FB) allows users to adjust the output voltage according to their specific requirements.

4. Overcurrent and Thermal Protection: The IC incorporates overcurrent and thermal protection mechanisms to safeguard against excessive current or temperature, ensuring reliable operation.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Adjustable output voltage provides flexibility in various applications - Overcurrent and thermal protection enhance reliability

Disadvantages: - Limited maximum output current of 500mA may not be suitable for high-power applications

Working Principles

The L6701TR operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB) with a reference voltage. By adjusting the resistance connected to the FB pin, the output voltage can be precisely controlled.

When the enable pin (EN) is high, the IC is turned on, and the regulated output voltage is available at the VOUT pin. If the enable pin is low, the IC enters a low-power standby mode, reducing power consumption.

Detailed Application Field Plans

The L6701TR is commonly used in various electronic devices that require efficient voltage regulation, such as: - Battery-powered devices - Portable audio players - Mobile phones - Digital cameras - Wireless communication modules

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable Linear Voltage Regulator, 800mA output current, TO-252 package.
2. LT1763-ADJ: Adjustable Low Dropout Regulator, 500mA output current, SOT-23 package.
3. TPS79601-ADJ: Adjustable Ultra-Low Noise LDO Regulator, 1A output current, SOT-223 package.

These alternative models offer similar functionality and can be considered as substitutes for the L6701TR in various applications.

In conclusion, the L6701TR is a high-efficiency voltage regulator IC with adjustable output voltage, overcurrent protection, and thermal protection. It finds applications in battery-powered devices, portable audio players, mobile phones, digital cameras, and wireless communication modules. While it has a limited maximum output current, alternative models are available to suit different requirements.