MC33063 IC – Buck – Boost – Inverting Switching Regulator IC
The MC33063A devices are easy-to-use ICs containing all the primary circuitry needed for building simple DC-DC converters. These devices primarily consist of an internal temperature-compensated reference, a comparator, an oscillator, a PWM controller with active current limiting, a driver, and a high-current output switch. Thus, the devices require minimal external components to build converters in the boost, buck, and inverting topologies. The MC33063A device is characterized for operation from ?40?C to 85?C.
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Description
The MC33063A devices are easy-to-use ICs containing all the primary circuitry needed for building simple DC-DC converters. These devices primarily consist of an internal temperature-compensated reference, a comparator, an oscillator, a PWM controller with active current limiting, a driver, and a high-current output switch. Thus, the devices require minimal external components to build converters in the boost, buck, and inverting topologies. The MC33063A device is characterized for operation from ?40?C to 85?C.
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
Specification:-
| Symbol | Parameters | Min | Max | Units |
| VCC | Supply voltage | 40 | V | |
| VIR | Comparator inverting input voltage range | -0.3 | 40 | V |
| VC (Switch) | Switch collector voltage | 40 | V | |
| VE(switch) | Switch emitter voltage | 40 | V | |
| VCE(switch) | Switch collector to switch emitter voltage | 40 | V | |
| VC(driver) | Driver collector voltage | 40 | V | |
| IC(driver) | Driver collector current | 100 | mA | |
| ISW | Switch current | 1.5 | A | |
| TJ | Operating virtual junction temperature | 150 | ?C | |
| Tstg | Storage temperature range | -65 | 150 | ?C |
Related Document:-
Additional information
Operating voltage | 2.5 3.0V |
Pixel Resolution | 0.3MP |
Photosensitive array | 640 x 480 |
Optical Size | 1.6 inch |
Angel of view | 67 degrees |
Maximum Frame Rate | 30fps VGA |
Sensitivity | 1.3V/(Lux-sec) |
Dormancy | Less than 20A |
Power consumption | 60mW/15fpsVGA YUV |
Temperature operation Range | -30 C ~ 70 C |
Pixel area | 3.6 x 3.6 m |
Signal to noise ratio (SNR) | 46 dB |
Dynamic range | 52 dB |



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