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TS78L03CS RLG
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TS78L03CS RLG

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics:
    • Low dropout voltage
    • Output current up to 100mA
    • Fixed output voltage of 3.3V
  • Package: SOT-89
  • Essence: Linear voltage regulator
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 4.5V to 15V
  • Output Voltage: 3.3V ± 2%
  • Dropout Voltage: 1.7V (typical) at 100mA load
  • Quiescent Current: 5mA (typical)
  • Line Regulation: 0.2% (typical)
  • Load Regulation: 0.4% (typical)
  • Operating Temperature Range: -40°C to +125°C

Pin Configuration

The TS78L03CS RLG has three pins:

  1. Input (IN): Connects to the input voltage source.
  2. Ground (GND): Connected to the ground reference.
  3. Output (OUT): Provides the regulated output voltage.

Functional Features

  • Low dropout voltage ensures efficient regulation even with low input voltages.
  • Fixed output voltage eliminates the need for external resistors or adjustments.
  • Stable output voltage under varying load conditions.
  • Overcurrent and thermal protection for safe operation.

Advantages

  • Small package size allows for space-saving designs.
  • Low quiescent current minimizes power consumption.
  • Wide operating temperature range enables usage in various environments.
  • Reliable and stable voltage regulation.

Disadvantages

  • Limited output current capability (up to 100mA).
  • Fixed output voltage may not be suitable for all applications.
  • Sensitive to input voltage fluctuations.

Working Principles

The TS78L03CS RLG is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage, adjusting the pass transistor's resistance to maintain a constant output voltage. The dropout voltage is minimized by using a low dropout (LDO) design.

Detailed Application Field Plans

The TS78L03CS RLG is commonly used in various electronic devices and circuits where a stable 3.3V power supply is required. Some typical application fields include:

  1. Battery-powered devices
  2. Embedded systems
  3. Consumer electronics
  4. Communication equipment
  5. Automotive electronics

Detailed and Complete Alternative Models

  • LM1117-3.3: Similar specifications and functionality, available in different package options.
  • MCP1703-3302E/DB: Low dropout voltage regulator with adjustable output voltage.
  • NCP1117ST33T3G: Fixed output voltage regulator with thermal shutdown protection.

These alternative models offer similar features and can be considered as substitutes for the TS78L03CS RLG based on specific requirements.

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技術ソリューションにおける TS78L03CS RLG の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. Question: What is the TS78L03CS RLG?
    Answer: The TS78L03CS RLG is a voltage regulator integrated circuit (IC) that provides a fixed output voltage of 3.3V.

  2. Question: What are the typical applications of the TS78L03CS RLG?
    Answer: The TS78L03CS RLG is commonly used in various technical solutions where a stable 3.3V power supply is required, such as in microcontrollers, sensors, and other low-power electronic devices.

  3. Question: What is the input voltage range for the TS78L03CS RLG?
    Answer: The TS78L03CS RLG has an input voltage range of 4.75V to 20V.

  4. Question: What is the maximum output current of the TS78L03CS RLG?
    Answer: The TS78L03CS RLG can provide a maximum output current of 100mA.

  5. Question: Does the TS78L03CS RLG require any external components for operation?
    Answer: Yes, the TS78L03CS RLG requires at least two external capacitors - one on the input side and one on the output side - for stability and proper operation.

  6. Question: Can the TS78L03CS RLG handle higher input voltages than its specified range?
    Answer: No, exceeding the specified input voltage range may damage the TS78L03CS RLG. It is important to ensure that the input voltage remains within the recommended limits.

  7. Question: Is the TS78L03CS RLG a linear or switching voltage regulator?
    Answer: The TS78L03CS RLG is a linear voltage regulator, which means it regulates the output voltage by dissipating excess energy as heat.

  8. Question: What is the dropout voltage of the TS78L03CS RLG?
    Answer: The dropout voltage of the TS78L03CS RLG is typically around 1.7V, which means the input voltage must be at least 1.7V higher than the desired output voltage for proper regulation.

  9. Question: Can the TS78L03CS RLG handle short-circuit conditions?
    Answer: No, the TS78L03CS RLG does not have built-in short-circuit protection. It is recommended to use external current-limiting measures to protect the regulator in case of a short circuit.

  10. Question: Is the TS78L03CS RLG available in different package options?
    Answer: Yes, the TS78L03CS RLG is available in various package options, including TO-92, SOT-89, and DPAK, allowing for flexibility in different application scenarios.