Overview
The MC33063AVP is a monolithic control circuit designed for DC-DC converters, produced by onsemi. This device is part of the MC33063A series, which includes all the primary functions necessary for building simple DC-DC converters in buck, boost, and inverting topologies. It features an internal temperature-compensated reference, a comparator, a controlled duty cycle oscillator, an active current limit circuit, a driver, and a high-current output switch. This design minimizes the need for external components, making it versatile and efficient for various applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | 3 | 40 | V | |
| Operating Temperature Range | -40 | 85 | °C | |
| Output Switch Current | 1.5 | A | ||
| Oscillator Frequency | 24 | 33 | 42 | kHz |
| Precision Internal Reference | 2% | |||
| Short-Circuit Current Limiting | ||||
| Low Standby Current | ||||
| Package Type | SOIC-8, PDIP-8, SON-8 |
Key Features
- Wide Input Voltage Range: 3 V to 40 V
- High Output Switch Current: Up to 1.5 A
- Adjustable Output Voltage
- Oscillator Frequency Up to 100 kHz
- Precision Internal Reference: 2%
- Short-Circuit Current Limiting
- Low Standby Current
- Internal Temperature-Compensated Reference
- Comparator, Controlled Duty Cycle Oscillator, and Active Current Limit Circuit
Applications
- Fan Controllers
- DC-DC Power Supplies
- Cigarette Lighter Adapters (CLA)
- Portable Devices (e.g., Blood Gas Analyzers)
- Telecommunications
- Consumer & Computing Devices
- Test & Measurement Equipment
- Human Machine Interfaces (HMIs)
Q & A
- What is the input voltage range of the MC33063AVP?
The input voltage range is from 3 V to 40 V.
- What is the maximum output switch current of the MC33063AVP?
The maximum output switch current is up to 1.5 A.
- What is the oscillator frequency range of the MC33063AVP?
The oscillator frequency can go up to 100 kHz.
- What is the precision of the internal reference voltage?
The precision of the internal reference voltage is 2%.
- Does the MC33063AVP have short-circuit current limiting?
- What are the typical operating temperature ranges for the MC33063AVP?
The operating temperature range is from -40°C to 85°C.
- What types of packages are available for the MC33063AVP?
The device is available in SOIC-8, PDIP-8, and SON-8 packages.
- What are some common applications of the MC33063AVP?
Common applications include fan controllers, DC-DC power supplies, cigarette lighter adapters, and portable devices.
- Does the MC33063AVP have a low standby current?
- How does the MC33063AVP handle current limiting?
The device features an active current limit circuit to handle current limiting.
