Overview
The MC33063ADE4 is a versatile and high-performance switching regulator produced by Texas Instruments. This device is part of the MC33063A series, which includes boost, buck, and inverting switching regulator configurations. It is designed to operate with minimal external components, making it an efficient choice for various power conversion applications. The MC33063ADE4 is characterized by its wide input voltage range, high output switch current, and adjustable output voltage, making it suitable for a broad range of electronic systems.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | 3 | - | 40 | V |
| Operating Temperature (MC33063A) | -40 | - | 85 | °C |
| Output Switch Current | - | - | 1.5 | A |
| Oscillator Frequency | - | - | 100 | kHz |
| Supply Current (VCC = 5 V to 40 V) | - | 4 | - | mA |
| Switch Collector to Emitter Voltage | - | - | 40 | V |
| Current-Limit Sense Voltage | 250 | 300 | 350 | mV |
Key Features
- Wide Input Voltage Range: 3 V to 40 V
- High Output Switch Current: Up to 1.5 A
- Adjustable Output Voltage: Allows for flexible output voltage settings
- Oscillator Frequency: Up to 100 kHz
- Precision Internal Reference: 2% accuracy
- Short-Circuit Current Limiting: Protects against short-circuit conditions
- Low Standby Current: Minimizes power consumption in standby mode
Applications
- Portable Devices: Suitable for battery-powered devices due to its low standby current and high efficiency
- Consumer & Computing: Used in various consumer electronics and computing devices requiring efficient power conversion
- Telecommunications: Applied in telecommunications equipment for reliable power supply
- Test & Measurement: Utilized in test and measurement instruments for precise voltage regulation
- HMIs (Human Machine Interfaces): Employed in HMIs for stable and efficient power supply
- Cable Solutions: Used in cable-related applications for reliable power delivery
- Blood Gas Analyzers: Applied in medical devices such as blood gas analyzers for precise voltage regulation
Q & A
- What is the input voltage range of the MC33063ADE4?
The input voltage range is from 3 V to 40 V.
- What is the maximum output switch current of the MC33063ADE4?
The maximum output switch current is up to 1.5 A.
- What are the operating temperature ranges for the MC33063A device?
The MC33063A device operates from -40°C to 85°C.
- What is the typical supply current of the MC33063ADE4 when VCC is 5 V to 40 V?
The typical supply current is 4 mA.
- Does the MC33063ADE4 have short-circuit current limiting?
Yes, it has short-circuit current limiting to protect against short-circuit conditions.
- What is the oscillator frequency range of the MC33063ADE4?
The oscillator frequency can go up to 100 kHz.
- What type of packages are available for the MC33063ADE4?
It is available in SOIC (D) packages among others.
- What is the precision of the internal reference voltage?
The internal reference voltage has a precision of 2%.
- What are some common applications of the MC33063ADE4?
Common applications include portable devices, consumer electronics, telecommunications, test and measurement instruments, HMIs, cable solutions, and medical devices like blood gas analyzers.
- How should the feedback loop be laid out in the circuit?
The feedback loop should have minimal trace lengths to avoid unnecessary IR drop.
