Overview
The MC34063ABD-TR is a monolithic control circuit from STMicroelectronics, designed for DC-DC voltage conversion. This device is part of the MC34063A/E series and is housed in an SOIC-8 package. It integrates essential functions for step-down, step-up, and voltage-inverting applications, requiring a minimal number of external components. The MC34063ABD-TR features an internal temperature-compensated reference, comparator, duty cycle controlled oscillator, active current limit circuit, driver, and a high current output switch. The output voltage can be adjusted with a 2% reference accuracy using two external resistors.
Key Specifications
| Attribute | Value |
|---|---|
| Topology | Buck/Boost |
| Input Voltage | 3 V to 40 V |
| Output Current (Max) | 1.5 A |
| Output Type | Adjustable |
| Switching Frequency (Max) | 100 kHz |
| Operating Temperature Range | -40°C to +85°C |
| Efficiency | 89% |
| No. of Outputs | 1 |
| Quiescent Current | 2.5 mA |
| Storage Temperature Range | -40°C to +150°C |
| Load Regulation | 10 mV |
| Package Style | SOIC-8 |
| Mounting Method | Surface Mount |
Key Features
- Output switch current in excess of 1.5 A
- 2% reference accuracy
- Low quiescent current: 2.5 mA (typ.)
- Operating from 3 V to 40 V
- Frequency operation up to 100 kHz
- Active current limiting
- Adjustable output voltage through two external resistors
- Designed for step-down, step-up, and voltage-inverting applications
Applications
The MC34063ABD-TR is versatile and can be used in various DC-DC conversion applications, including:
- Step-down (buck) converters
- Step-up (boost) converters
- Voltage-inverting converters
- Power supplies for electronic devices requiring adjustable output voltages
- Industrial and consumer electronics where efficient DC-DC conversion is necessary
Q & A
- What is the MC34063ABD-TR used for?
The MC34063ABD-TR is used for DC-DC voltage conversion in step-down, step-up, and voltage-inverting applications.
- What is the maximum output current of the MC34063ABD-TR?
The maximum output current is 1.5 A.
- What is the operating voltage range of the MC34063ABD-TR?
The operating voltage range is from 3 V to 40 V.
- What is the maximum switching frequency of the MC34063ABD-TR?
The maximum switching frequency is 100 kHz.
- How is the output voltage adjusted in the MC34063ABD-TR?
The output voltage is adjustable through two external resistors with a 2% reference accuracy.
- What is the quiescent current of the MC34063ABD-TR?
The quiescent current is 2.5 mA (typ.).
- What is the operating temperature range of the MC34063ABD-TR?
The operating temperature range is -40°C to +85°C.
- What package type is the MC34063ABD-TR available in?
The MC34063ABD-TR is available in an SOIC-8 package.
- Is the MC34063ABD-TR RoHS compliant?
- What are some common applications of the MC34063ABD-TR?
