LM4041BIM7X-1.2

Product Overview

Category

The LM4041BIM7X-1.2 belongs to the category of voltage references.

Use

It is commonly used as a precision shunt regulator in various electronic circuits.

Characteristics

• High accuracy and stability
• Low temperature coefficient
• Low dropout voltage
• Wide operating voltage range
• Small package size

Package

The LM4041BIM7X-1.2 is available in a SOT-23-3 package.

Essence

This product serves as a precise voltage reference, providing a stable output voltage for other components in a circuit.

Packaging/Quantity

The LM4041BIM7X-1.2 is typically packaged in reels with 3000 units per reel.

Specifications

• Output Voltage: 1.2V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 60mV (typical)
• Operating Voltage Range: 2.7V to 10V
• Quiescent Current: 60µA (typical)

Detailed Pin Configuration

The LM4041BIM7X-1.2 has three pins:

1. VOUT: Output pin, provides the stable reference voltage.
2. GND: Ground pin, connected to the common ground of the circuit.
3. VIN: Input pin, receives the input voltage for regulation.

Functional Features

• Precise voltage reference: The LM4041BIM7X-1.2 ensures a highly accurate and stable output voltage.
• Low dropout voltage: It operates efficiently even when the input voltage is close to the output voltage.
• Wide operating voltage range: Can be used in a variety of applications with different voltage requirements.
• Low quiescent current: Consumes minimal power, making it suitable for low-power applications.

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable performance.
• Small package size allows for space-saving designs.
• Low temperature coefficient minimizes voltage variations with temperature changes.
• Wide operating voltage range provides flexibility in circuit design.

Disadvantages

• Limited output voltage options (only 1.2V in this case).
• Dropout voltage may not be suitable for applications with very low input voltages.

Working Principles

The LM4041BIM7X-1.2 operates as a shunt regulator. It compares the reference voltage at the VOUT pin with an internal voltage reference. By adjusting the current flowing through the shunt resistor, it maintains a stable output voltage regardless of changes in the input voltage or load conditions.

Detailed Application Field Plans

The LM4041BIM7X-1.2 finds applications in various fields, including:

1. Precision measurement instruments: Provides a stable reference voltage for accurate measurements.
2. Industrial control systems: Ensures precise voltage references for control circuits.
3. Battery-powered devices: Regulates voltage levels to optimize battery usage.
4. Audio equipment: Maintains consistent voltage levels for high-quality audio reproduction.
5. Automotive electronics: Used in voltage-sensitive automotive systems for reliable operation.

Detailed and Complete Alternative Models

1. LM4040CIM3-1.2/NOPB: Similar voltage reference with a different package (SOT-23-3).
2. LT1004CZ-1.2#PBF: Precision shunt regulator with a higher initial accuracy of ±0.1%.
3. MAX6126AASA25+: Ultra-low noise voltage reference with an output voltage of 2.5V.

These alternative models offer similar functionality and can be considered based on specific requirements and availability.

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