LM4040C50ILPE3

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Precision voltage reference - Low dropout voltage - High accuracy and stability - Wide operating temperature range - Low quiescent current

Package: SOT-23-3

Essence: The LM4040C50ILPE3 is a precision voltage reference IC that provides a stable output voltage of 5.0V. It is commonly used in various electronic circuits where a precise and stable voltage reference is required.

Packaging/Quantity: The LM4040C50ILPE3 is available in a SOT-23-3 package, which is a small surface-mount package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Output Voltage: 5.0V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 100ppm/°C
• Dropout Voltage: 60mV (typical)
• Quiescent Current: 60µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM4040C50ILPE3 has three pins:

1. VOUT: Output pin, connected to the load or circuit requiring a stable 5.0V reference voltage.
2. GND: Ground pin, connected to the common ground of the circuit.
3. VIN: Input pin, connected to the power supply voltage (typically 6-20V).

Functional Features

• High precision: The LM4040C50ILPE3 provides a highly accurate and stable output voltage of 5.0V, making it suitable for applications that require precise voltage references.
• Low dropout voltage: With a low dropout voltage of only 60mV, the LM4040C50ILPE3 can operate efficiently even when the input voltage is close to the desired output voltage.
• Low quiescent current: The IC has a low quiescent current of 60µA, minimizing power consumption in battery-powered applications.
• Wide operating temperature range: The LM4040C50ILPE3 can operate reliably in a wide temperature range from -40°C to +85°C.

Advantages and Disadvantages

Advantages: - High accuracy and stability - Low dropout voltage - Low quiescent current - Wide operating temperature range - Small package size

Disadvantages: - Limited output voltage options (only 5.0V)

Working Principles

The LM4040C50ILPE3 utilizes bandgap reference technology to generate a precise and stable output voltage. It compares the voltage across a temperature-stable resistor with a scaled version of the bandgap voltage. By adjusting the current through the resistor, the IC maintains a constant voltage drop across it, resulting in a stable output voltage.

Detailed Application Field Plans

The LM4040C50ILPE3 is widely used in various electronic applications that require a stable 5.0V reference voltage. Some common application fields include:

1. Analog-to-Digital Converters (ADCs)
2. Digital-to-Analog Converters (DACs)
3. Voltage regulators
4. Precision measurement instruments
5. Sensor calibration circuits
6. Battery management systems
7. Audio amplifiers

Detailed and Complete Alternative Models

1. LM4040AIM3-5.0/NOPB: Similar to LM4040C50ILPE3, but available in a SOT-23-3 package.
2. LT1004CZ-5.0#PBF: Precision voltage reference with 5.0V output, available in TO-92 package.
3. MAX6190AESA+: Low-dropout voltage reference with 5.0V output, available in SOIC-8 package.

These alternative models offer similar functionality and characteristics to the LM4040C50ILPE3 and can be used as replacements depending on specific requirements.

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