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VN340SPTR-E
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VN340SPTR-E

Product Overview

Category

The VN340SPTR-E belongs to the category of power management integrated circuits (PMICs).

Use

This PMIC is primarily used for voltage regulation and power distribution in electronic devices.

Characteristics

  • High efficiency power conversion
  • Low power consumption
  • Compact size
  • Wide input voltage range
  • Overcurrent protection
  • Thermal shutdown protection

Package

The VN340SPTR-E comes in a small outline package (SOP) with a thermal pad for efficient heat dissipation.

Essence

The essence of this product lies in its ability to efficiently regulate and distribute power within electronic devices, ensuring stable and reliable operation.

Packaging/Quantity

The VN340SPTR-E is typically packaged in reels containing 2500 units per reel.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.8V to 3.6V
  • Maximum Output Current: 1.5A
  • Operating Temperature Range: -40°C to +85°C
  • Quiescent Current: 50µA (typical)

Detailed Pin Configuration

The VN340SPTR-E has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. VOUT: Output voltage pin

Functional Features

  • Integrated synchronous buck converter
  • Adjustable output voltage through external resistors
  • Soft-start function for controlled startup
  • Overcurrent protection with automatic recovery
  • Thermal shutdown protection to prevent overheating

Advantages and Disadvantages

Advantages

  • High efficiency power conversion reduces energy waste
  • Wide input voltage range allows compatibility with various power sources
  • Compact size enables integration into space-constrained designs
  • Overcurrent and thermal protection enhance device reliability

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications
  • Lack of built-in voltage regulation for input voltage below 2.7V

Working Principles

The VN340SPTR-E utilizes a synchronous buck converter to regulate the input voltage and provide a stable output voltage. The enable pin controls the operation of the converter, while the feedback pin allows for adjustable output voltage through external resistors. The integrated circuit incorporates various protection mechanisms, such as overcurrent and thermal shutdown, to ensure safe and reliable operation.

Detailed Application Field Plans

The VN340SPTR-E finds application in a wide range of electronic devices, including but not limited to: - Mobile phones - Tablets - Portable gaming consoles - Wearable devices - IoT devices - Battery-powered devices

Detailed and Complete Alternative Models

  1. VN340SPTR: Similar to VN340SPTR-E, but without thermal pad.
  2. VN330SPTR-E: Lower maximum output current (1A) but with similar features.
  3. VN350SPTR-E: Higher maximum output current (2A) for more demanding applications.

These alternative models offer different specifications and capabilities to cater to diverse design requirements.

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প্রযুক্তিগত সমাধানে VN340SPTR-E এর প্রয়োগ সম্পর্কিত 10টি সাধারণ প্রশ্ন ও উত্তর তালিকাভুক্ত করুন

Sure! Here are 10 common questions and answers related to the application of VN340SPTR-E in technical solutions:

  1. Q: What is the VN340SPTR-E? A: The VN340SPTR-E is a high-side driver designed for automotive applications, capable of controlling various loads such as lamps, motors, and solenoids.

  2. Q: What is the maximum voltage rating of the VN340SPTR-E? A: The VN340SPTR-E has a maximum voltage rating of 36V.

  3. Q: Can the VN340SPTR-E handle high currents? A: Yes, the VN340SPTR-E can handle a continuous output current of up to 0.5A.

  4. Q: Is the VN340SPTR-E suitable for automotive applications? A: Yes, the VN340SPTR-E is specifically designed for automotive applications and meets the required standards and specifications.

  5. Q: Does the VN340SPTR-E have built-in protection features? A: Yes, the VN340SPTR-E includes over-temperature, over-current, and short-circuit protection to ensure safe operation.

  6. Q: Can I use the VN340SPTR-E with microcontrollers or logic-level signals? A: Yes, the VN340SPTR-E is compatible with both TTL and CMOS logic-level signals, making it suitable for use with microcontrollers.

  7. Q: What is the operating temperature range of the VN340SPTR-E? A: The VN340SPTR-E can operate within a temperature range of -40°C to +150°C.

  8. Q: How do I connect the VN340SPTR-E in my circuit? A: The VN340SPTR-E is typically connected between the load and the power supply, with appropriate input and output connections.

  9. Q: Can the VN340SPTR-E be used in both 12V and 24V automotive systems? A: Yes, the VN340SPTR-E is suitable for use in both 12V and 24V automotive systems.

  10. Q: Are there any application notes or reference designs available for the VN340SPTR-E? A: Yes, STMicroelectronics provides application notes and reference designs that can help you understand and implement the VN340SPTR-E in your technical solutions.

Please note that these answers are general and may vary depending on specific requirements and use cases. It's always recommended to refer to the datasheet and documentation provided by the manufacturer for accurate information.