Overview
The MC34063ADE4, produced by Texas Instruments, is a versatile and highly efficient 1.5-A peak boost/buck/inverting switching regulator. This monolithic control circuit is designed to deliver the main functions for DC-DC voltage conversion, making it suitable for a wide range of applications. The device operates with a minimal number of external components, simplifying the design and implementation of step-down, step-up, and voltage-inverting converters.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 3 V to 40 V | V |
| Output Switch Current | Up to 1.5 A | A |
| Switching Frequency | Up to 100 kHz | kHz |
| Reference Accuracy | 2% | % |
| Quiescent Current | 2.5 mA (typ.) | mA |
| Operating Temperature Range | 0°C to 70°C | °C |
| Package Type | SOIC (8-pin) | |
| Package Dimensions | 4.90 mm × 3.91 mm × 1.58 mm | mm |
| Duty Cycle (Max) | 80% | % |
| Short-Circuit Current Limiting | Yes |
Key Features
- Wide Input Voltage Range: Operates from 3 V to 40 V.
- High Output Switch Current: Up to 1.5 A.
- Adjustable Output Voltage: Output voltage can be adjusted using two external resistors.
- Precision Internal Reference: 2% reference accuracy.
- Low Quiescent Current: Typical quiescent current of 2.5 mA.
- Short-Circuit Current Limiting: Protects against short-circuit conditions.
- Low Standby Current: Minimal current draw in standby mode.
- Multiple Topologies: Supports boost, buck, and inverting topologies.
Applications
- Portable Devices: Suitable for battery-powered devices due to its low quiescent current and high efficiency.
- Telecommunications: Used in various telecommunications equipment for power conversion.
- Consumer & Computing: Applied in consumer electronics and computing devices for efficient power management.
- Test & Measurement: Utilized in test and measurement equipment for reliable power conversion.
- HMIs (Human Machine Interfaces): Used in HMIs for efficient and reliable power supply.
- Cable Solutions: Employed in cable solutions for power conversion needs.
- Blood Gas Analyzers: Used in medical devices such as blood gas analyzers.
Q & A
- What is the input voltage range of the MC34063ADE4?
The input voltage range is from 3 V to 40 V.
- What is the maximum output switch current of the MC34063ADE4?
The maximum output switch current is up to 1.5 A.
- What is the switching frequency range of the MC34063ADE4?
The switching frequency can go up to 100 kHz.
- What is the reference accuracy of the MC34063ADE4?
The reference accuracy is 2%.
- What is the typical quiescent current of the MC34063ADE4?
The typical quiescent current is 2.5 mA.
- What are the supported topologies by the MC34063ADE4?
The device supports boost, buck, and inverting topologies.
- What is the operating temperature range of the MC34063ADE4?
The operating temperature range is from 0°C to 70°C.
- Does the MC34063ADE4 have short-circuit current limiting?
Yes, it has short-circuit current limiting.
- What is the package type of the MC34063ADE4?
The package type is SOIC (8-pin).
- What are some common applications of the MC34063ADE4?
Common applications include portable devices, telecommunications, consumer and computing devices, test and measurement equipment, HMIs, cable solutions, and medical devices like blood gas analyzers.
