LM285H-1.2

Product Overview

Category

LM285H-1.2 belongs to the category of voltage references.

Use

It is commonly used as a precision voltage reference in various electronic circuits.

Characteristics

• LM285H-1.2 provides a stable and accurate output voltage of 1.2 volts.
• It has low temperature coefficient, ensuring consistent performance across different operating conditions.
• The device operates within a wide temperature range, making it suitable for diverse applications.
• LM285H-1.2 exhibits low power consumption, enhancing energy efficiency in systems.
• It offers excellent line and load regulation, maintaining a steady output voltage even under varying conditions.

Package

LM285H-1.2 is available in a compact TO-92 package, which facilitates easy integration into circuit designs.

Essence

The essence of LM285H-1.2 lies in its ability to provide a precise and stable voltage reference, ensuring reliable operation of electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of LM285H-1.2 devices. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Output Voltage: 1.2 volts
• Temperature Coefficient: ±50 ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2.7V to 40V
• Quiescent Current: 120 µA (typical)
• Line Regulation: 0.02% (typical)
• Load Regulation: 0.04% (typical)

Detailed Pin Configuration

LM285H-1.2 features a three-pin configuration:

1. VOUT: This pin provides the regulated output voltage of 1.2 volts.
2. GND: Connect this pin to the ground reference of the circuit.
3. VIN: This pin is connected to the input voltage source.

Functional Features

• LM285H-1.2 offers a precise and stable output voltage, ensuring accurate operation of electronic circuits.
• It exhibits low power consumption, making it suitable for battery-powered applications.
• The device has excellent line and load regulation, maintaining a consistent output voltage under varying conditions.
• LM285H-1.2 operates within a wide temperature range, enabling its use in diverse environments.
• It has a low temperature coefficient, minimizing voltage variations with temperature changes.

Advantages and Disadvantages

Advantages

• Precise and stable output voltage
• Low power consumption
• Excellent line and load regulation
• Wide operating temperature range
• Low temperature coefficient

Disadvantages

• Limited output voltage options (fixed at 1.2 volts)
• Not suitable for applications requiring higher or adjustable reference voltages

Working Principles

LM285H-1.2 utilizes bandgap voltage reference technology to generate a stable and accurate output voltage. It employs a combination of temperature-dependent and temperature-independent voltage sources to compensate for temperature variations and achieve a consistent output voltage.

Detailed Application Field Plans

LM285H-1.2 finds application in various electronic systems where a precise and stable voltage reference is required. Some common application areas include:

1. Analog-to-Digital Converters (ADCs)
2. Digital-to-Analog Converters (DACs)
3. Voltage regulators
4. Power management circuits
5. Sensor interfaces
6. Battery charging circuits
7. Precision measurement equipment

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to LM285H-1.2. Some notable alternatives include:

1. LM4040: A series of precision voltage references with different output voltage options.
2. LT6654: Ultra-precision voltage reference with low temperature coefficient and high accuracy.
3. REF50xx: Precision voltage references with adjustable output voltage options.

These alternative models provide flexibility in choosing the desired output voltage and may offer additional features depending on the specific requirements of the application.

In conclusion, LM285H-1.2 is a precision voltage reference that provides a stable and accurate output voltage of 1.2 volts. It exhibits excellent characteristics such as low temperature coefficient, wide operating temperature range, and low power consumption. The device finds application in various electronic systems and can be used alongside alternative models to meet specific design requirements.