The MC34063A Series is a monolithic control circuit containing the primary functions required for DC−to−DC converters. These devices consist of an internal temperature compensated reference, comparator, controlled duty cycle oscillator with an active current limit circuit, driver and high current output switch. This series was specifically designed to be incorporated in Step−Down and Step−Up and Voltage−Inverting applications with a minimum number of external components.
Features:-
- Operation from 3.0 V to 40 V Input
- Low Standby Current
- Current Limiting
- Output Switch Current to 1.5 A
- Output Voltage Adjustable
- Frequency Operation to 100 kHz
- Precision 2% Reference
- NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP Capable
- These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant
Specification:-
| Rating | Symbol | Value | Unit |
| Power Supply Voltage | VCC | 40 | Vdc |
| Comparator Input Voltage Range | VIR | −0.3 to +40 | Vdc |
| Switch Collector Voltage | VC(switch) | 40 | Vdc |
| Switch Emitter Voltage (VPin 1 = 40 V) | VE(switch) | 40 | Vdc |
| Switch Collector to Emitter Voltage | VCE(switch) | 40 | Vdc |
| Driver Collector Voltage | VC(driver) | 40 | Vdc |
| Driver Collector Current (Note 1) | IC(driver) | 100 | mA |
| Switch Current | ISW | 1.5 | A |
| Power Dissipation TA = 25°C | PD | 1.25 | W |
| Operating Junction Temperature | Tj | 150 | °C |
| Operating Ambient Temperature Range | Ta | 0 to +70 | °C |
| Storage Temperature Range | Tstg | −65 to +150 | °C |
Related Document:-
* Product Images are shown for illustrative purposes only and may differ from actual product.
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