ON Semiconductor
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KA34063AD
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KA34063AD

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage regulator and DC-DC converter
  • Characteristics: High efficiency, adjustable output voltage, low standby current
  • Package: DIP-8 (Dual In-line Package with 8 pins)
  • Essence: Monolithic bipolar switching regulator
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by supplier

Specifications

  • Input Voltage: 3V to 40V
  • Output Voltage: Adjustable from 1.25V to 37V
  • Output Current: Up to 1.5A
  • Switching Frequency: 100kHz
  • Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

The KA34063AD IC has the following pin configuration:

  1. Pin 1: GND (Ground)
  2. Pin 2: COMP (Compensation)
  3. Pin 3: FB (Feedback)
  4. Pin 4: VCC (Supply Voltage)
  5. Pin 5: OSC (Oscillator)
  6. Pin 6: CT (Timing Capacitor)
  7. Pin 7: OUT (Output)
  8. Pin 8: SW (Switch)

Functional Features

  • Built-in oscillator for internal frequency generation
  • Adjustable output voltage through external resistors
  • Overcurrent protection
  • Thermal shutdown protection
  • Short-circuit protection

Advantages and Disadvantages

Advantages

  • High efficiency conversion
  • Wide input voltage range
  • Adjustable output voltage
  • Low standby current consumption
  • Compact package size

Disadvantages

  • Limited output current capacity (up to 1.5A)
  • Requires external components for operation
  • Not suitable for high-power applications

Working Principles

The KA34063AD is a monolithic bipolar switching regulator that utilizes pulse width modulation (PWM) to regulate the output voltage. It operates by controlling the duty cycle of the internal switch to maintain a stable output voltage. The built-in oscillator generates a fixed frequency signal, which drives the switch to control the energy transfer from the input to the output.

Detailed Application Field Plans

The KA34063AD is commonly used in various applications, including:

  1. Battery-powered devices
  2. Automotive electronics
  3. Power supplies for consumer electronics
  4. LED lighting systems
  5. Industrial control systems

Detailed and Complete Alternative Models

  • LM2576: Similar voltage regulator and DC-DC converter IC with adjustable output voltage.
  • MC34063: Equivalent IC with similar functionality and pin configuration.
  • LT1073: Higher efficiency switching regulator with adjustable output voltage.

Note: This is not an exhaustive list, and there are several other alternative models available in the market.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق KA34063AD في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of KA34063AD in technical solutions:

  1. Q: What is KA34063AD? A: KA34063AD is a versatile DC-DC converter integrated circuit (IC) that can be used in various technical solutions.

  2. Q: What is the input voltage range for KA34063AD? A: The input voltage range for KA34063AD is typically between 3V and 40V.

  3. Q: What is the output voltage range for KA34063AD? A: The output voltage range for KA34063AD can be adjusted from 1.25V to 40V using external components.

  4. Q: What is the maximum output current of KA34063AD? A: The maximum output current of KA34063AD is around 1.5A, but it may vary depending on the specific application and operating conditions.

  5. Q: Can KA34063AD be used as a step-up (boost) converter? A: Yes, KA34063AD can be configured as a step-up converter to increase the output voltage above the input voltage.

  6. Q: Can KA34063AD be used as a step-down (buck) converter? A: Yes, KA34063AD can also be configured as a step-down converter to decrease the output voltage below the input voltage.

  7. Q: Is KA34063AD suitable for battery-powered applications? A: Yes, KA34063AD is commonly used in battery-powered applications due to its low power consumption and efficient operation.

  8. Q: Does KA34063AD have built-in protection features? A: No, KA34063AD does not have built-in protection features. External components need to be added to provide overcurrent, overvoltage, and thermal protection.

  9. Q: Can KA34063AD operate in a switching frequency range? A: Yes, KA34063AD can operate at a switching frequency range of typically 100kHz to 200kHz, but it can be adjusted using external components.

  10. Q: Are there any application notes or reference designs available for KA34063AD? A: Yes, the manufacturer provides application notes and reference designs that can help in implementing KA34063AD in various technical solutions.

Please note that these answers are general and may vary depending on the specific implementation and datasheet specifications of KA34063AD.