LM4140BCM-4.1/NOPB

Product Overview

Category

LM4140BCM-4.1/NOPB belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage regulation and power management applications.

Characteristics

• Voltage reference accuracy: ±1%
• Output voltage: 4.1V
• Low quiescent current: 60µA (typical)
• Wide operating temperature range: -40°C to +125°C
• Low dropout voltage: 300mV (typical)

Package

LM4140BCM-4.1/NOPB is available in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

The essence of LM4140BCM-4.1/NOPB lies in its ability to provide a stable and accurate voltage reference for various electronic circuits.

Packaging/Quantity

This product is typically sold in reels or tubes containing a specific quantity of ICs, such as 2500 units per reel.

Specifications

• Reference voltage: 4.1V ±1%
• Quiescent current: 60µA (typical)
• Dropout voltage: 300mV (typical)
• Temperature range: -40°C to +125°C
• Input voltage range: 2.7V to 10V
• Output current capability: 10mA

Detailed Pin Configuration

The LM4140BCM-4.1/NOPB IC has three pins:

1. VOUT: Output pin for the regulated voltage.
2. VIN: Input pin for the supply voltage.
3. GND: Ground pin for reference potential.

Functional Features

• Precise voltage reference: The LM4140BCM-4.1/NOPB provides a stable and accurate 4.1V reference voltage, ensuring reliable operation of connected circuits.
• Low quiescent current: With a typical quiescent current of 60µA, this IC minimizes power consumption and extends battery life in portable devices.
• Wide operating temperature range: The LM4140BCM-4.1/NOPB can operate reliably in extreme temperature conditions, ranging from -40°C to +125°C.
• Low dropout voltage: The low dropout voltage of 300mV enables efficient regulation even when the input voltage is close to the desired output voltage.

Advantages and Disadvantages

Advantages

• High accuracy voltage reference
• Low quiescent current for power efficiency
• Wide operating temperature range for versatility
• Small package size for space-constrained applications

Disadvantages

• Limited output current capability (10mA)
• Fixed output voltage (4.1V)

Working Principles

The LM4140BCM-4.1/NOPB utilizes a bandgap voltage reference circuit to generate a stable 4.1V output voltage. This reference voltage is independent of variations in the supply voltage and temperature, ensuring consistent performance. The IC regulates the output voltage by comparing it with the internal reference and adjusting the current flow accordingly.

Detailed Application Field Plans

The LM4140BCM-4.1/NOPB finds applications in various electronic systems that require a precise and stable voltage reference. Some common application fields include:

1. Battery-powered devices: Portable electronics, such as smartphones, tablets, and wearables, benefit from the low quiescent current and accurate voltage reference provided by LM4140BCM-4.1/NOPB.
2. Industrial control systems: This IC can be used in industrial automation, process control, and instrumentation applications where reliable voltage regulation is crucial.
3. Automotive electronics: LM4140BCM-4.1/NOPB can be employed in automotive systems, such as engine control units (ECUs), infotainment systems, and lighting control modules.

Detailed and Complete Alternative Models

1. LM4040AIM3-4.1/NOPB: This IC offers a similar 4.1V reference voltage with a higher output current capability of 100mA.
2. LT1460HCS3-4.1#PBF: A precision voltage reference with a 4.1V output and an ultra-low quiescent current of 10µA.
3. MAX6126AASA41+: This model provides a 4.096V reference voltage with excellent temperature stability and low noise performance.

These alternative models offer different features and specifications, allowing users to choose the most suitable option for their specific requirements.

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