LM10500SQ-1.0/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High precision - Low dropout voltage - Low quiescent current - Thermal shutdown protection - Adjustable output voltage - Small package size

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

Essence: The LM10500SQ-1.0/NOPB is a voltage regulator IC that provides precise and stable output voltage for various electronic applications.

Packaging/Quantity: The LM10500SQ-1.0/NOPB is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 1A load
• Quiescent Current: 50µA
• Output Current: Up to 1A
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM10500SQ-1.0/NOPB has the following pin configuration:

1. GND (Ground): Connected to the ground reference of the circuit.
2. VIN (Input Voltage): Connects to the input voltage source.
3. EN (Enable): Controls the enable/disable state of the regulator.
4. FB (Feedback): Provides feedback to regulate the output voltage.
5. VOUT (Output Voltage): Outputs the regulated voltage.
6. NC (No Connection): Not internally connected, can be left unconnected.
7. NC (No Connection): Not internally connected, can be left unconnected.
8. VREF (Reference Voltage): Provides a stable reference voltage.

Functional Features

• High Precision: The LM10500SQ-1.0/NOPB offers high precision voltage regulation, ensuring accurate output voltage.
• Low Dropout Voltage: With a low dropout voltage of 200mV at 1A load, the IC can maintain stable output even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: The quiescent current of only 50µA minimizes power consumption when the regulator is in standby mode.
• Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, preventing damage due to excessive temperature.
• Adjustable Output Voltage: The output voltage can be adjusted within the specified range using external resistors.
• Small Package Size: The 8-pin SOIC package offers compactness and ease of integration into various electronic systems.

Advantages and Disadvantages

Advantages: - High precision voltage regulation - Low dropout voltage for efficient operation - Low quiescent current for reduced power consumption - Thermal shutdown protection for enhanced reliability - Adjustable output voltage for flexibility - Compact package size for easy integration

Disadvantages: - Limited output current capacity (up to 1A)

Working Principles

The LM10500SQ-1.0/NOPB operates as a linear voltage regulator. It compares the feedback voltage (FB pin) with a stable reference voltage (VREF pin) to generate an error signal. This error signal is used to control the pass transistor, adjusting its resistance to maintain the desired output voltage. The enable (EN) pin allows the user to turn the regulator on or off.

Detailed Application Field Plans

The LM10500SQ-1.0/NOPB is commonly used in various applications that require precise voltage regulation, such as: - Battery-powered devices - Portable electronics - Industrial control systems - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

Some alternative models to the LM10500SQ-1.0/NOPB that offer similar functionality include: - LM1117-3.3: Fixed 3.3V output voltage regulator - LT1763: Low dropout voltage regulator with adjustable output voltage - TPS7A4700: High-precision voltage regulator with ultra-low noise

These alternative models can be considered based on specific requirements and design constraints.

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