Microchip Technology
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TC7660HEPA
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TC7660HEPA

Product Overview

Category: Integrated Circuit
Use: Voltage Converter
Characteristics: Low power consumption, high efficiency
Package: 8-pin PDIP, SOIC, and MSOP
Essence: Voltage inverter
Packaging/Quantity: Tape & Reel (3000 units per reel)

Specifications

  • Input Voltage Range: 1.5V to 10.5V
  • Output Voltage Range: -1.5V to -10.5V
  • Output Current: 20mA
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

  1. VOUT
  2. GND
  3. OSC
  4. VIN
  5. C1-
  6. C1+
  7. C2+
  8. C2-

Functional Features

  • Low operating current: 80µA typical
  • Wide input voltage range
  • Simple conversion of +5V logic supply to ±5V supplies
  • High output current capability

Advantages and Disadvantages

Advantages: - Low power consumption - High efficiency - Wide input voltage range

Disadvantages: - Limited output current capability - Requires external capacitors for operation

Working Principles

The TC7660HEPA is a charge-pump voltage converter that generates a negative voltage from a positive input voltage. It uses switched capacitor techniques to double or invert the input voltage.

Detailed Application Field Plans

The TC7660HEPA is commonly used in applications where a negative voltage rail is required, such as in RS-232 communication systems, LCD biasing, and op-amp circuits. It can also be used in battery-powered devices to generate a negative supply voltage from a single positive supply.

Detailed and Complete Alternative Models

  • ICL7660
  • MAX1044
  • LTC1044

In conclusion, the TC7660HEPA is a versatile voltage converter with a wide range of applications, offering low power consumption and high efficiency. Its compact package and simple pin configuration make it suitable for various electronic designs.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TC7660HEPA v technických řešeních

  1. What is TC7660HEPA?

    • TC7660HEPA is a charge pump voltage converter that can be used to invert a positive input voltage to a corresponding negative output voltage.

  2. What is the typical input voltage range for TC7660HEPA?

    • The typical input voltage range for TC7660HEPA is 1.5V to 10.5V.

  3. What is the maximum output current of TC7660HEPA?

    • The maximum output current of TC7660HEPA is typically 20mA.

  4. Can TC7660HEPA be used in battery-powered applications?

    • Yes, TC7660HEPA can be used in battery-powered applications due to its low power consumption and wide input voltage range.

  5. What are the typical applications of TC7660HEPA?

    • Typical applications of TC7660HEPA include generating a negative supply voltage from a positive input, providing a negative bias voltage, and creating a virtual ground reference.

  6. Is TC7660HEPA suitable for portable electronic devices?

    • Yes, TC7660HEPA is suitable for portable electronic devices due to its low power consumption and small package size.

  7. What are the key features of TC7660HEPA?

    • The key features of TC7660HEPA include low power consumption, wide input voltage range, and ability to operate from a single positive supply.

  8. Can TC7660HEPA be used in audio amplifier circuits?

    • Yes, TC7660HEPA can be used in audio amplifier circuits to generate a negative bias voltage required for certain amplifier configurations.

  9. Does TC7660HEPA require external components for operation?

    • Yes, TC7660HEPA requires a few external capacitors for proper operation.

  10. What are the potential challenges when using TC7660HEPA in technical solutions?

    • Potential challenges when using TC7660HEPA may include managing output ripple and noise, selecting appropriate external components, and ensuring proper thermal management due to power dissipation.