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开关稳压器 1.5 A DCDC SW REG
NCP3063, NCP3063B,
NCV3063
1.5 A, Step-Up/Down/
Inverting Switching
Regulators
The NCP3063 Series is a higher frequency upgrade to the popular
MC34063A and MC33063A monolithic DC−DC converters. These
devices consist of an internal temperature compensated reference,
comparator, a controlled duty cycle oscillator with an active current
limit circuit, a driver and a high current output switch. This series was
specifically designed to be incorporated in Step−Down, Step−Up and
Voltage−Inverting applications with a minimum number of external
components.
Features
• Operation to 40 V Input
• Low Standby Current
• Output Switch Current to 1.5 A
• Output Voltage Adjustable
• Frequency Operation of 150 kHz
• Precision 1.5% Reference
• New Features: Internal Thermal Shutdown with Hysteresis
New Features: Cycle−by−Cycle Current Limiting
• Pb−Free Packages are Available
Applications
• Step−Down, Step−Up and Inverting supply applications
• High Power LED Lighting
• Battery Chargers
NCP3063BDR2G
ON(安森美)
SOP8
20+
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