Overview
The MC34063EBD-TR is a monolithic control circuit designed for DC-DC voltage conversion, produced by STMicroelectronics. This device is part of the MC34063A/E series and is housed in an SOIC-8 package. It integrates essential functions for DC-DC conversion, including an internal temperature-compensated reference, a comparator, a duty cycle controlled oscillator, an active current limit circuit, a driver, and a high current output switch. The output voltage can be adjusted using two external resistors with a high accuracy of 2%.
Key Specifications
| Parameter | Description | Value | Unit |
|---|---|---|---|
| Manufacturer | STMicroelectronics | ||
| Part Number | MC34063EBD-TR | ||
| Package | SOIC-8 | ||
| Input Voltage | 3 to 40 V DC | V | |
| Output Voltage | 1.25 to 38 V DC | V | |
| Output Current | 1.5 A | A | |
| Frequency Operation | 33 to 100 kHz | kHz | |
| Topology | Boost, Buck, Buck-Boost | ||
| Number of Channels | 1 | ||
| DC Supply Current | 2.5 mA (typ.) | mA | |
| Operating Temperature | -40 to 125 °C | °C | |
| RoHS Compliance | Ecopack2 |
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
- Minimum number of external components required
Applications
The MC34063EBD-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
- Dual output voltage configurations
- Higher output power and higher input voltage applications
Q & A
- What is the input voltage range of the MC34063EBD-TR?
The input voltage range is from 3 V to 40 V DC.
- What is the maximum output current of the MC34063EBD-TR?
The maximum output current is 1.5 A.
- What is the frequency operation range of the MC34063EBD-TR?
The frequency operation range is from 33 kHz to 100 kHz.
- What topologies does the MC34063EBD-TR support?
The device supports boost, buck, and buck-boost topologies.
- What is the typical quiescent current of the MC34063EBD-TR?
The typical quiescent current is 2.5 mA.
- How is the output voltage adjusted in the MC34063EBD-TR?
The output voltage is adjustable through two external resistors with a 2% reference accuracy.
- What is the operating temperature range of the MC34063EBD-TR?
The operating temperature range is from -40 °C to 125 °C.
- Is the MC34063EBD-TR RoHS compliant?
Yes, the device is RoHS compliant with an Ecopack2 rating.
- What package type does the MC34063EBD-TR come in?
The device comes in an SOIC-8 package.
- What are some common applications of the MC34063EBD-TR?
Common applications include step-down, step-up, and voltage-inverting converters, as well as dual output voltage configurations and higher output power applications.
