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NCP1550

Part Number	NCP1550
Manufacturer	ON
Description	600 kHz PWM/PFM Step-Down DC-DC Controller
Published	May 12, 2005
Detailed Description	NCP1550 600 kHz PWM/PFM Step−Down DC−DC Controller The NCP1550 is a monolithic micropower high frequency voltage mode s...
Datasheet	NCP1550 PDF File

Overview

NCP1550 600 kHz PWM/PFM Step−Down DC−DC Controller The NCP1550 is a monolithic micropower high frequency voltage mode step−down controller IC, specially designed for battery operated hand−held electronic products.
With appropriate external P−type MOSFET, the device can provide up to 2.
0 A loading current with high conversion efficiency.
The device operates in Constant−Frequency PWM mode at normal operation, that ensures low output ripple noise, and which will automatically switch to PFM mode at low output loads for higher efficiency.
Additionally, value−added features of Chip Enable to reduce IC Off−State current and integrated feedback resistor network, make it the best choice for portable...

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