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TL5001ACD
Product Overview
Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics: - High precision - Low dropout voltage - Adjustable output voltage - Current limiting protection - Thermal shutdown protection
Package: SOIC (Small Outline Integrated Circuit)
Essence: The TL5001ACD is a voltage regulator IC that provides stable and regulated output voltage for various electronic devices.
Packaging/Quantity: The TL5001ACD is typically sold in reels containing 2500 units.
Specifications
- Input Voltage Range: 4.5V to 40V
- Output Voltage Range: 1.25V to 37V
- Output Current: Up to 100mA
- Dropout Voltage: 0.6V (typical)
- Quiescent Current: 50µA (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The TL5001ACD has the following pin configuration:
- Feedback (FB) - Connects to an external resistor divider network to set the desired output voltage.
- Error Amplifier Inverting Input (-) - Inverting input of the internal error amplifier.
- Error Amplifier Non-Inverting Input (+) - Non-inverting input of the internal error amplifier.
- Ground (GND) - Common ground reference for the IC.
- Output (OUT) - Regulated output voltage.
- Supply Voltage (VIN) - Input voltage for the IC.
- Soft Start (SS) - Connects to an external capacitor to control the soft start time.
- Shutdown (SD) - Active low shutdown pin to disable the regulator.
Functional Features
- Adjustable Output Voltage: The TL5001ACD allows the user to set the desired output voltage by connecting an external resistor divider network to the feedback pin.
- Current Limiting Protection: The IC incorporates current limiting protection to prevent excessive current flow and protect connected devices.
- Thermal Shutdown Protection: In case of excessive temperature, the thermal shutdown feature activates to protect the IC from damage.
- Low Dropout Voltage: The TL5001ACD has a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
Advantages and Disadvantages
Advantages: - High precision voltage regulation - Wide input voltage range - Adjustable output voltage - Current limiting and thermal shutdown protection - Low dropout voltage
Disadvantages: - Limited output current capacity (up to 100mA) - Requires external components for proper operation
Working Principles
The TL5001ACD operates as a linear voltage regulator. It compares the feedback voltage with a reference voltage and adjusts the pass transistor to maintain a stable output voltage. The error amplifier continuously monitors the output voltage and adjusts the pass transistor accordingly. The current limiting and thermal shutdown features protect the IC and connected devices from excessive current and temperature.
Detailed Application Field Plans
The TL5001ACD finds applications in various electronic devices that require stable and regulated power supply voltages. Some common application fields include: - Battery-powered devices - Automotive electronics - Industrial control systems - Telecommunications equipment - Audio amplifiers
Detailed and Complete Alternative Models
- LM317: Adjustable voltage regulator with higher output current capacity.
- LM7805: Fixed 5V voltage regulator suitable for low-power applications.
- LT1083: Adjustable voltage regulator with high output current capability and low dropout voltage.
These alternative models offer similar functionality to the TL5001ACD but may have different specifications and package options.
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10 domande e risposte comuni relative all'applicazione di TL5001ACD nelle soluzioni tecniche
Sure! Here are 10 common questions and answers related to the application of TL5001ACD in technical solutions:
Q1: What is TL5001ACD? A1: TL5001ACD is a voltage mode PWM controller IC commonly used in power supply applications.
Q2: What is the operating voltage range of TL5001ACD? A2: The operating voltage range of TL5001ACD is typically between 7V and 40V.
Q3: What is the maximum output current that TL5001ACD can handle? A3: TL5001ACD itself does not have a specific maximum output current rating. It depends on the external components used in the circuit.
Q4: Can TL5001ACD be used in flyback converter designs? A4: Yes, TL5001ACD can be used in flyback converter designs as it provides the necessary control signals for regulating the output voltage.
Q5: What is the frequency range of the PWM signal generated by TL5001ACD? A5: The frequency range of the PWM signal generated by TL5001ACD is typically between 100Hz and 500kHz.
Q6: How can I adjust the output voltage using TL5001ACD? A6: The output voltage can be adjusted by changing the feedback resistors connected to the FB pin of TL5001ACD.
Q7: Is TL5001ACD suitable for high-efficiency power supply designs? A7: Yes, TL5001ACD is suitable for high-efficiency power supply designs due to its voltage mode control and adjustable frequency operation.
Q8: Can TL5001ACD be used in battery charging applications? A8: Yes, TL5001ACD can be used in battery charging applications by controlling the charging voltage and current.
Q9: What are the typical protection features of TL5001ACD? A9: TL5001ACD typically includes features like overvoltage protection, undervoltage lockout, and thermal shutdown to protect the circuit from faults.
Q10: Are there any application notes or reference designs available for TL5001ACD? A10: Yes, Texas Instruments provides application notes and reference designs that can help in implementing TL5001ACD in various technical solutions.
Please note that these answers are general and may vary depending on the specific application and circuit design. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.