ON Semiconductor
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MC78L09ABDG
বিস্তারিত দেখুন ডেটাশিট

MC78L09ABDG

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: Low Dropout, Positive Fixed Voltage Regulator
  • Package: TO-252-3 (DPAK)
  • Essence: Linear Voltage Regulator
  • Packaging/Quantity: Tape and Reel, 2,500 units per reel

Specifications

  • Output Voltage: +9V
  • Input Voltage Range: 10.5V to 35V
  • Dropout Voltage: 1.7V (typical)
  • Output Current: 100mA
  • Line Regulation: 0.04%/V (typical)
  • Load Regulation: 0.15% (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MC78L09ABDG has three pins: 1. Pin 1: Input (VIN) - Connects to the input voltage source. 2. Pin 2: Ground (GND) - Connected to the ground reference. 3. Pin 3: Output (VOUT) - Provides the regulated output voltage.

Functional Features

  • Low dropout voltage ensures efficient regulation even with small input-output differentials.
  • Internal thermal shutdown protection prevents damage due to excessive temperature.
  • Short-circuit current limiting protects the device from overcurrent conditions.
  • Reverse polarity protection guards against incorrect connections.

Advantages and Disadvantages

Advantages: - Compact and easy-to-use package. - Stable and accurate output voltage. - Wide operating temperature range. - Built-in protection features enhance reliability.

Disadvantages: - Limited output current capability. - Requires external capacitors for stability.

Working Principles

The MC78L09ABDG is a linear voltage regulator that maintains a constant output voltage of +9V, regardless of variations in the input voltage or load conditions. It achieves this by using a series pass transistor to regulate the voltage drop across it. The regulator compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain the desired output voltage.

Detailed Application Field Plans

The MC78L09ABDG is commonly used in various electronic devices that require a stable +9V power supply. Some typical applications include: - Battery-powered devices - Audio amplifiers - Microcontroller systems - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

  1. LM7809: Similar characteristics and pin configuration, available in different packages.
  2. UA78L09: Low-power voltage regulator with similar specifications.
  3. L78L09: Positive voltage regulator with higher output current capability.

These alternative models can be considered based on specific requirements and availability.

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প্রযুক্তিগত সমাধানে MC78L09ABDG এর প্রয়োগ সম্পর্কিত 10টি সাধারণ প্রশ্ন ও উত্তর তালিকাভুক্ত করুন

Sure! Here are 10 common questions and answers related to the application of MC78L09ABDG in technical solutions:

  1. Q: What is MC78L09ABDG? A: MC78L09ABDG is a voltage regulator IC that provides a fixed output voltage of +9V.

  2. Q: What is the input voltage range for MC78L09ABDG? A: The input voltage range for MC78L09ABDG is typically between +10V and +35V.

  3. Q: What is the maximum output current of MC78L09ABDG? A: The maximum output current of MC78L09ABDG is 100mA.

  4. Q: Can MC78L09ABDG handle higher input voltages than +35V? A: No, exceeding the maximum input voltage can damage the IC. It is recommended to stay within the specified range.

  5. Q: Is MC78L09ABDG suitable for both AC and DC input voltages? A: Yes, MC78L09ABDG can handle both AC and DC input voltages.

  6. Q: Does MC78L09ABDG require any external components for operation? A: Yes, MC78L09ABDG requires an input capacitor and an output capacitor for stable operation.

  7. Q: Can MC78L09ABDG be used in battery-powered applications? A: Yes, MC78L09ABDG can be used in battery-powered applications as long as the input voltage is within the specified range.

  8. Q: What is the typical dropout voltage of MC78L09ABDG? A: The typical dropout voltage of MC78L09ABDG is around 2V.

  9. Q: Can MC78L09ABDG handle short-circuit conditions? A: Yes, MC78L09ABDG has built-in short-circuit protection to prevent damage in case of a short circuit.

  10. Q: Is MC78L09ABDG available in different package types? A: Yes, MC78L09ABDG is available in various package types, such as TO-92, SOIC, and DPAK, to suit different application requirements.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for MC78L09ABDG.