LM3710XNMM-450/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: 8-pin SOIC (Small Outline Integrated Circuit)

Essence: The LM3710XNMM-450/NOPB is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: The LM3710XNMM-450/NOPB is typically sold in reels containing 2500 units.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.2V to 3.6V
• Maximum Output Current: 450mA
• Dropout Voltage: 200mV at 450mA
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM3710XNMM-450/NOPB has the following pin configuration:

1. EN (Enable): Enable input pin for turning the regulator on/off.
2. GND (Ground): Ground reference for the IC.
3. FB (Feedback): Feedback pin for adjusting the output voltage.
4. VOUT (Output Voltage): Output voltage pin.
5. VIN (Input Voltage): Input voltage pin.
6. NC (No Connection): No electrical connection.
7. NC (No Connection): No electrical connection.
8. PG (Power Good): Power good indicator pin.

Functional Features

• High Efficiency: The LM3710XNMM-450/NOPB offers high efficiency, minimizing power loss and maximizing battery life in portable devices.
• Low Dropout Voltage: With a low dropout voltage of 200mV at 450mA, the IC can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The feedback pin allows users to adjust the output voltage within the specified range.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the device and connected components from excessive current flow.
• Thermal Shutdown Protection: In case of excessive temperature rise, the thermal shutdown feature protects the IC from damage.

Advantages and Disadvantages

Advantages: - High efficiency leads to longer battery life. - Adjustable output voltage provides flexibility for various applications. - Overcurrent and thermal shutdown protection enhance reliability and safety.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Dropout voltage may affect performance in low-input voltage scenarios.

Working Principles

The LM3710XNMM-450/NOPB operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB pin) with an internal reference voltage. By adjusting the resistance connected to the FB pin, the output voltage can be set within the specified range. The IC continuously monitors the input and output voltages, providing overcurrent and thermal protection.

Detailed Application Field Plans

The LM3710XNMM-450/NOPB is commonly used in various portable electronic devices, such as:

1. Mobile phones
2. Tablets
3. Portable media players
4. Wearable devices
5. Wireless communication modules

Its compact package, adjustable output voltage, and efficient operation make it suitable for applications where space and power consumption are critical.

Alternative Models

1. LM317: Adjustable voltage regulator with higher output current capability.
2. LM1117: Fixed voltage regulator with various output voltage options.
3. LT1763: Low dropout voltage regulator with higher output current capability.

These alternative models offer different features and specifications, providing options for specific application requirements.

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