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AN78L12ME1

AN78L12ME1

Product Overview

Category

AN78L12ME1 belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

  • Input Voltage Range: 14V to 35V
  • Output Voltage: 12V
  • Maximum Output Current: 100mA
  • Low Dropout Voltage: 2V (typical)
  • Operating Temperature Range: -40°C to +125°C
  • Package Type: TO-252-3 (DPAK)
  • RoHS Compliant

Package and Quantity

AN78L12ME1 is packaged in a TO-252-3 (DPAK) package. It is available in quantities of [insert quantity].

Specifications

  • Input Voltage Range: 14V to 35V
  • Output Voltage: 12V
  • Output Current: 100mA (maximum)
  • Dropout Voltage: 2V (typical)
  • Line Regulation: ±0.5% (typical)
  • Load Regulation: ±0.5% (typical)
  • Quiescent Current: 4mA (typical)
  • Ripple Rejection Ratio: 60dB (typical)
  • Operating Temperature Range: -40°C to +125°C

Pin Configuration

The AN78L12ME1 has three pins: 1. Pin 1: Input Voltage (VIN) 2. Pin 2: Ground (GND) 3. Pin 3: Output Voltage (VOUT)

Functional Features

  • Low dropout voltage ensures efficient regulation even with low input-output voltage differentials.
  • Built-in overcurrent protection safeguards the circuit from excessive current flow.
  • Thermal shutdown protection prevents damage due to overheating.
  • Short-circuit protection ensures the device remains safe during fault conditions.

Advantages

  • Compact package size allows for easy integration into various electronic circuits.
  • Wide operating temperature range makes it suitable for use in extreme environments.
  • Low dropout voltage minimizes power dissipation and improves efficiency.
  • Overcurrent, thermal shutdown, and short-circuit protection enhance reliability.

Disadvantages

  • Limited output current capacity may restrict its use in high-power applications.
  • Input voltage range may not be suitable for all voltage regulation requirements.

Working Principles

AN78L12ME1 is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage and adjusting the pass transistor accordingly to maintain a stable output voltage.

Application Field Plans

AN78L12ME1 finds applications in various electronic devices and systems, including: - Power supplies - Battery chargers - Audio amplifiers - Industrial control systems - Automotive electronics

Alternative Models

Other alternative models that can be considered as replacements for AN78L12ME1 include: - LM7812 - MC7812 - UA7812 - L78L12

These models offer similar voltage regulation capabilities and can be used interchangeably depending on specific requirements.

In conclusion, AN78L12ME1 is a voltage regulator with a 12V output voltage, low dropout voltage, and various protection features. It is commonly used in electronic circuits requiring stable voltage regulation.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AN78L12ME1 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AN78L12ME1 in technical solutions:

Q1: What is AN78L12ME1? A1: AN78L12ME1 is a voltage regulator IC (integrated circuit) that provides a fixed output voltage of +12V.

Q2: What is the input voltage range for AN78L12ME1? A2: The input voltage range for AN78L12ME1 is typically between +14V to +35V.

Q3: What is the maximum output current of AN78L12ME1? A3: The maximum output current of AN78L12ME1 is 100mA.

Q4: Can AN78L12ME1 be used to regulate negative voltages? A4: No, AN78L12ME1 is designed to regulate positive voltages only.

Q5: Is AN78L12ME1 suitable for low-power applications? A5: Yes, AN78L12ME1 is commonly used in low-power applications where a regulated +12V supply is required.

Q6: Does AN78L12ME1 require any external components for operation? A6: Yes, AN78L12ME1 requires input and output capacitors for stability. A bypass capacitor is also recommended.

Q7: Can AN78L12ME1 handle high temperatures? A7: AN78L12ME1 has a maximum operating temperature of +125°C, making it suitable for many industrial applications.

Q8: What is the typical dropout voltage of AN78L12ME1? A8: The typical dropout voltage of AN78L12ME1 is around 2V, meaning the input voltage must be at least 2V higher than the desired output voltage.

Q9: Can AN78L12ME1 be used in battery-powered applications? A9: Yes, AN78L12ME1 can be used in battery-powered applications as long as the input voltage remains within the specified range.

Q10: Is AN78L12ME1 available in different package types? A10: Yes, AN78L12ME1 is available in various package types, including TO-92 and SOT-89, providing flexibility for different PCB layouts and space constraints.

Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.