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ICL7665AESA
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ICL7665AESA

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Converter

Characteristics: - Low-power, high-efficiency voltage converter - Converts input voltage to a regulated output voltage - Suitable for battery-powered applications - Provides stable and reliable power supply

Package: SOIC (Small Outline Integrated Circuit)

Essence: The ICL7665AESA is an integrated circuit that serves as a voltage converter. It efficiently converts input voltage to a regulated output voltage, making it ideal for use in battery-powered applications.

Packaging/Quantity: The ICL7665AESA is available in a standard SOIC package. It is typically sold in reels or tubes containing multiple units.

Specifications

  • Input Voltage Range: 1.5V to 16V
  • Output Voltage Range: -1.5V to -15V
  • Output Current: Up to 100mA
  • Operating Temperature Range: -40°C to +85°C
  • Quiescent Current: 120µA (typical)
  • Shutdown Current: 0.01µA (typical)

Detailed Pin Configuration

The ICL7665AESA has the following pin configuration:

  1. GND (Ground)
  2. V+ (Positive Supply Voltage)
  3. SHDN (Shutdown Control)
  4. FB (Feedback)
  5. VOUT (Output Voltage)

Functional Features

  • Low quiescent current consumption
  • High efficiency conversion
  • Shutdown control for power saving
  • Over-temperature protection
  • Short-circuit protection

Advantages and Disadvantages

Advantages: - Low power consumption - High efficiency - Wide input voltage range - Compact size - Shutdown control for power saving

Disadvantages: - Limited output current capacity - Restricted output voltage range

Working Principles

The ICL7665AESA operates as a switched-capacitor voltage converter. It utilizes an internal oscillator to control the charging and discharging of capacitors, resulting in the desired output voltage. The feedback pin (FB) is used to regulate the output voltage by adjusting the duty cycle of the internal switches.

Detailed Application Field Plans

The ICL7665AESA finds applications in various fields, including:

  1. Battery-powered devices: Provides regulated power supply for portable electronics, such as smartphones, tablets, and wearable devices.
  2. Industrial equipment: Used in low-power industrial sensors, actuators, and control systems.
  3. Automotive electronics: Suitable for powering automotive sensors, lighting systems, and infotainment devices.
  4. Medical devices: Provides stable power supply for medical instruments and wearable health monitoring devices.
  5. Home automation: Used in low-power smart home devices, such as thermostats, security systems, and lighting controls.

Detailed and Complete Alternative Models

  1. MAX660CPA: Voltage Converter IC with similar specifications and package.
  2. LTC1044CN8: Switched-Capacitor Voltage Converter IC with extended temperature range.
  3. MC34063AP1: Low-cost Voltage Converter IC with adjustable output voltage.

These alternative models offer similar functionality and can be considered as substitutes for the ICL7665AESA in different applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de ICL7665AESA en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of ICL7665AESA in technical solutions:

  1. Q: What is the ICL7665AESA? A: The ICL7665AESA is a CMOS voltage converter IC that converts a positive input voltage into the corresponding negative output voltage.

  2. Q: What is the typical input voltage range for the ICL7665AESA? A: The typical input voltage range for the ICL7665AESA is between +1.5V and +16V.

  3. Q: What is the maximum output current that the ICL7665AESA can provide? A: The ICL7665AESA can provide a maximum output current of 40mA.

  4. Q: Can the ICL7665AESA be used as a voltage doubler? A: Yes, the ICL7665AESA can be used as a voltage doubler by connecting the input voltage to the positive terminal and grounding the negative terminal.

  5. Q: Is the ICL7665AESA suitable for low-power applications? A: Yes, the ICL7665AESA is designed for low-power applications and has a low quiescent current consumption.

  6. Q: Can the ICL7665AESA be used in battery-powered devices? A: Yes, the ICL7665AESA can be used in battery-powered devices due to its low power consumption and wide input voltage range.

  7. Q: What is the typical efficiency of the ICL7665AESA? A: The typical efficiency of the ICL7665AESA is around 90% when operating at full load.

  8. Q: Can the ICL7665AESA be used in both step-up and step-down voltage conversion applications? A: No, the ICL7665AESA is specifically designed for step-up voltage conversion applications.

  9. Q: What are some common applications of the ICL7665AESA? A: The ICL7665AESA is commonly used in applications such as LCD biasing, RS-232 level shifting, and generating negative supply voltages.

  10. Q: Does the ICL7665AESA require external components for operation? A: Yes, the ICL7665AESA requires a few external capacitors to set the output voltage and stabilize the operation of the IC.

Please note that these answers are general and may vary depending on specific design considerations and requirements.