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 |
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