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NCP1442ONN/a5000avai4.0 A 280 kHz/560 kHz Boost Regulators
NCP1442FR4ONN/a2000avai4.0 A 280 kHz/560 kHz Boost Regulators
NCP1443ONN/a500avai4.0 A 280 kHz/560 kHz Boost Regulators
NCP1444ONN/a5000avai4.0 A 280 kHz/560 kHz Boost Regulators
NCP1444FR4ONN/a1507avai4.0 A 280 kHz/560 kHz Boost Regulators
NCP1445ONN/a5000avai4.0 A 280 kHz/560 kHz Boost Regulators
NCP1445FR4ONN/a18avai4.0 A 280 kHz/560 kHz Boost Regulators


NCP1444 ,4.0 A 280 kHz/560 kHz Boost Regulatorsfeatures7 LEAD, TO−220such as frequency synchronization, shutdown, and feedback controlsT SUFFIXfor ..
NCP1444FR4 ,4.0 A 280 kHz/560 kHz Boost RegulatorsELECTRICAL CHARACTERISTICS (2.7 V < V < 30 V; 0°C < T < 85°C; 0°C < T < 125°C; For all NCP1442/3/4/ ..
NCP1445 ,4.0 A 280 kHz/560 kHz Boost RegulatorsFeatures NCP144xFP144xTAWLYWW• Pb−Free Packages are Available*AWLYWW• Integrated Power Sw ..
NCP1445FR4 ,4.0 A 280 kHz/560 kHz Boost Regulatorsoperate over a wide input voltage range, from 2.7 V to 30 V. Theflexibility of the design allows th ..
NCP1450ASN27T1 ,PWM Step-up DC-DC ControllerBlock DiagramPIN FUNCTION DESCRIPTIONPin # Symbol Pin Description1 CE Chip Enable PinÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ..
NCP1450ASN27T1 ,PWM Step-up DC-DC ControllerFeaturesCE 1 5 EXT• High Efficiency 86% at I = 200 mA, V = 2.0 V, V = 3.0 VO IN OUT2OUT88% at I = 4 ..
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NCP1442-NCP1442FR4-NCP1443-NCP1444-NCP1444FR4-NCP1445-NCP1445FR4
4.0 A 280 kHz/560 kHz Boost Regulators
NCP1442, NCP1443,
NCP1444, NCP1445
4.0 A 280 kHz/560 kHz
Boost Regulators
The NCP1442/3/4/5 products are 280 kHz/560 kHz switching
regulators with a high efficiency, 4.0 A integrated switch. These parts
operate over a wide input voltage range, from 2.7 V to 30 V. The
flexibility of the design allows the chips to operate in most power
supply configurations, including boost, flyback, forward, inverting,
and SEPIC. The ICs utilize current mode architecture, which allows
excellent load and line regulation, as well as a practical means for
limiting current. Combining high−frequency operation with a highly
integrated regulator circuit results in an extremely compact power
supply solution. The circuit design includes provisions for features
such as frequency synchronization, shutdown, and feedback controls
for either positive or negative voltage regulation.
Features
Pb−Free Packages are Available* Integrated Power Switch: 4.0 A Guaranteed Wide Input Range: 2.7 V to 30 V High Frequency Allows for Small Components Minimum External Components Easy External Synchronization Built−in Overcurrent Protection Frequency Foldback Reduces Component Stress During an
Overcurrent Condition Thermal Shutdown with Hysteresis Regulates Either Positive or Negative Output Voltages Shut Down Current: 50 �A Maximum
Applications
Boost Converter Inverting Converter Distributed Power Portable Computers Battery Powered Systems
*For additional information on our Pb−Free strategy and soldering details, please
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