Overview
The MC33063APG4, produced by Texas Instruments, is a versatile switching regulator IC designed to support various DC-DC converter topologies including boost, buck, and inverting configurations. This device is part of the MC33063A series, known for its high output switch current and minimal external component requirements. It is characterized for operation from –40°C to 85°C, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | 3 | - | 40 | V |
| Operating Free-Air Temperature | –40 | - | 85 | °C |
| Oscillator Frequency | 24 | 33 | 42 | kHz |
| Output Switch Current | - | - | 1.5 | A |
| Switch Collector to Emitter Voltage | - | - | 40 | V |
| Supply Current | - | 4 | - | mA |
| Short-Circuit Current Limiting | - | - | - | - |
| Current-Limit Sense Voltage | 250 | 300 | 350 | mV |
Key Features
- High Output Switch Current: Up to 1.5 A, making it suitable for high-current applications.
- Wide Input Voltage Range: Operates from 3 V to 40 V, providing flexibility in various power supply scenarios.
- Adjustable Output Voltage: Allows for customization of the output voltage based on application needs.
- Oscillator Frequency Up to 100 kHz: Supports high-frequency switching operations.
- Precision Internal Reference: Offers a 2% precision internal reference for stable output voltage regulation.
- Short-Circuit Current Limiting: Protects the device from 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.
- Telecommunications: Used in various telecom equipment for power supply regulation.
- Consumer & Computing: Found in consumer electronics and computing devices requiring efficient power management.
- Test & Measurement: Used in test and measurement equipment for stable power supply.
- HMIs (Human Machine Interfaces): Applied in HMIs for reliable power supply.
- Cable Solutions: Utilized in cable-related applications for efficient power delivery.
- Blood Gas Analyzers: Used in medical devices such as blood gas analyzers for precise power regulation.
Q & A
- What is the operating temperature range of the MC33063APG4?
The MC33063APG4 operates from –40°C to 85°C.
- What is the maximum output switch current of the MC33063APG4?
The maximum output switch current is up to 1.5 A.
- What is the input voltage range of the MC33063APG4?
The input voltage range is from 3 V to 40 V.
- Does the MC33063APG4 support adjustable output voltage?
- What is the oscillator frequency range of the MC33063APG4?
The oscillator frequency can go up to 100 kHz.
- Does the MC33063APG4 have short-circuit current limiting?
- What is the typical supply current of the MC33063APG4?
The typical supply current is 4 mA.
- What are some common applications of the MC33063APG4?
Common applications include portable devices, telecommunications, consumer electronics, test and measurement equipment, HMIs, cable solutions, and medical devices like blood gas analyzers.
- How should the feedback loop be laid out in the MC33063APG4?
The feedback loop layout should keep trace lengths to a minimum to avoid unnecessary IR drop.
- What type of packages is the MC33063APG4 available in?
The MC33063APG4 is available in SOIC, SON, and PDIP packages.
