Product Description
The MC34063A Series is a monolithic control circuit containing the primary functions required for dc-to-dc converters. These Buck Boost Inverting Switching Regulators 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 (Buck), Step up (Boost) and Voltage-Inverting applications with a minimum number of external components. Refer to Application Notes AN920A/D and AN954/D for additional design information. The MC33063 is an extended temperature version. The NCV33063 is an extended temp version for automotive.
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Features |
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Benefits |
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- Operation from 3.0 V to 40 V Input
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- Wide input voltage range usable for many applications
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- <100uA Collector Off-State Current
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- Adjustable current limit provides improved protection
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- Output Switch Current to 1.5 A
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- Large 1.5A peak current capability provides up to ~1A of average current output
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- Output Voltage Adjustable
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- External resistor divider for various output voltage options
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- Frequency Operation to 100 kHz
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- Optimize frequency for size or efficiency
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- Accurate system level performance
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- Exposed pad package allows for higher output current and improved thermal performance
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- MC33063A = -40 to +85degC
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- MC33063AV / NCV33063A = -40 to +125degC
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Applications |
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End Products |
- For Higher Switching Frequency See NCP3063
- For Dedicated ENABLE Pin and Higher Switching Frequency See NCP3064
- Fan Controller
- DC-DC Power Supply
- For DFN package see MC33063MNTXG
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- Cigarette Lighter Adapter (CLA)
- Power Supply
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