Overview
The MC34063AD is a monolithic control circuit designed for DC-DC voltage conversion, manufactured by Fairchild Semiconductor. This device is part of the MC34063A series and is intended for use in step-down, step-up, and voltage-inverting applications. It operates from a wide input voltage range of 3 V to 40 V, making it versatile for various power supply designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Switch Current | 1.5 A | A |
| Reference Accuracy | 2 % | % |
| Quiescent Current | 2.5 mA (typ.) | mA |
| Input Voltage Range | 3 V to 40 V | V |
| Frequency of Operation | Up to 100 kHz | kHz |
| Operating Temperature Range | 0°C to 70°C | °C |
| Package Type | SO-8, DIP-8 | - |
| Maximum Power Supply Voltage | 50 V | V |
Key Features
- High output switch current in excess of 1.5 A
- 2% reference accuracy for precise voltage regulation
- Low quiescent current of 2.5 mA (typ.) for energy efficiency
- Operating frequency up to 100 kHz
- Active current limiting for protection
- Adjustable output voltage through external resistors
- Step-down, step-up, and voltage-inverting capabilities
Applications
- DC-DC converters for various power supply designs
- Step-down (buck) converters
- Step-up (boost) converters
- Voltage-inverting converters
- Power supplies for electronic devices requiring adjustable output voltages
Q & A
- What is the maximum output switch current of the MC34063AD?
The maximum output switch current is 1.5 A.
- What is the input voltage range for the MC34063AD?
The input voltage range is from 3 V to 40 V.
- What is the typical quiescent current of the MC34063AD?
The typical quiescent current is 2.5 mA.
- What are the possible package types for the MC34063AD?
The package types are SO-8 and DIP-8.
- Can the MC34063AD be used for step-up, step-down, and voltage-inverting applications?
- What is the maximum operating frequency of the MC34063AD?
The maximum operating frequency is up to 100 kHz.
- How is the output voltage adjusted in the MC34063AD?
The output voltage is adjustable through two external resistors.
- What is the operating temperature range for the MC34063AD?
The operating temperature range is from 0°C to 70°C.
- Does the MC34063AD have built-in current limiting?
- What is the maximum power supply voltage for the MC34063AD?
The maximum power supply voltage is 50 V.
