AN79L15M

Product Overview

Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics: Low dropout, fixed negative voltage output
Package: TO-252-3 (DPAK)
Essence: Regulates input voltage to a fixed -15V output voltage
Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

Input Voltage Range: -17V to -35V
Output Voltage: -15V
Output Current: 100mA
Dropout Voltage: 1.5V (typical)
Line Regulation: 0.2% (typical)
Load Regulation: 0.4% (typical)
Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The AN79L15M IC has three pins:

Pin 1: Input (VIN) - Connects to the input voltage source (-17V to -35V).
Pin 2: Ground (GND) - Connected to the ground reference.
Pin 3: Output (VOUT) - Provides the regulated -15V output voltage.

Functional Features

Low dropout voltage ensures efficient regulation even with small input-output voltage differentials.
Built-in thermal shutdown protection prevents damage due to excessive temperature.
Short-circuit current limiting protects the IC and connected components from damage in case of a short circuit.
Excellent line and load regulation characteristics ensure stable output voltage under varying conditions.

Advantages and Disadvantages

Advantages: - Low dropout voltage allows for efficient regulation. - Thermal shutdown protection prevents overheating. - Compact TO-252-3 package offers easy integration into various applications.

Disadvantages: - Limited output current capability (100mA). - Negative voltage output restricts its use to specific applications.

Working Principles

The AN79L15M is a linear voltage regulator that uses a negative feedback mechanism to maintain a constant -15V output voltage. It operates by comparing the output voltage with a reference voltage and adjusting the internal circuitry to regulate the output.

Detailed Application Field Plans

The AN79L15M is commonly used in applications where a stable -15V power supply is required. Some typical application fields include:

Audio Amplifiers: Provides a regulated negative voltage for audio amplification circuits.
Industrial Control Systems: Used in control boards and modules that require a reliable -15V power source.
Test and Measurement Equipment: Provides a stable negative voltage reference for accurate measurements.
Communication Systems: Used in various communication devices that require a negative voltage supply.

Detailed and Complete Alternative Models

LM337: Negative voltage regulator with adjustable output voltage.
MC79L15: Fixed -15V voltage regulator in TO-220 package.
LT1963A: Adjustable negative voltage regulator with higher output current capability.

(Note: This list is not exhaustive and there are other alternative models available in the market.)

Word count: 345 words

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van AN79L15M in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of AN79L15M in technical solutions:

Q: What is AN79L15M? A: AN79L15M is a voltage regulator IC (integrated circuit) that provides a fixed negative output voltage of -15V.
Q: What is the input voltage range for AN79L15M? A: The input voltage range for AN79L15M is typically between -35V and -8V.
Q: What is the output current capability of AN79L15M? A: AN79L15M can provide an output current of up to 100mA.
Q: How does AN79L15M regulate the output voltage? A: AN79L15M uses a built-in voltage reference and error amplifier to maintain a constant -15V output voltage.
Q: Can AN79L15M be used in both AC and DC applications? A: Yes, AN79L15M can be used in both AC and DC applications as long as the input voltage falls within the specified range.
Q: Is AN79L15M suitable for low-power applications? A: Yes, AN79L15M is commonly used in low-power applications where a stable -15V supply is required.
Q: Can AN79L15M handle short-circuit conditions? A: AN79L15M has built-in protection features that allow it to withstand short-circuit conditions without damage.
Q: Does AN79L15M require any external components for operation? A: AN79L15M requires a few external components such as input and output capacitors for stability and filtering.
Q: Can AN79L15M be used in automotive applications? A: Yes, AN79L15M is suitable for automotive applications as it can handle the voltage fluctuations commonly found in vehicles.
Q: Are there any alternative voltage regulators similar to AN79L15M? A: Yes, there are other voltage regulator ICs available in the market that provide a fixed -15V output, such as LM337 and LT1054.

Please note that these answers are general and may vary depending on the specific datasheet and application requirements of AN79L15M.