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NCP1532 - Output Step-Down Converter

Description

Pin Pin Name Type 1 FB1 Analog Input 2 EN1 Digital Input 3 VIN Analog / Power Input 4 SW1 Analog Output 5 GND Analog Ground 6 MODE/SYNC Digital Input 7 SW2 Analog Output 8 POR Digital Output 9 EN2 Digital Input 10 FB2 Analog Input 11 Exposed Pad Power Ground Description Feedb

Features

  • include integrated soft.
  • start, cycle.
  • by.
  • cycle current limit and thermal shutdown protection. The device can also be synchronized to an external clock signal in the range of 2.25 MHz. The NCP1532 is available in a space saving, ultra low profile 3x3 x 0.55 mm 10 pin mDFN package. Features.
  • Up to 97% Efficiency.
  • 50 mA Quiescent Current.
  • Synchronous Rectification for Higher Efficiency.
  • 2.25 MHz Switching Frequency, 180° Out of Phase.

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Datasheet Details

Part number NCP1532
Manufacturer onsemi
File Size 388.10 KB
Description Output Step-Down Converter
Datasheet download datasheet NCP1532 Datasheet

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Full PDF Text Transcription

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NCP1532 Dual, Output Step-Down Converter 2.25 MHz The NCP1532 dual step down DCDC converter is a monolithic integrated circuit dedicated to supply core and I/O voltages of new multimedia design in portable applications powered from 1−cell Li−ion or 3 cell Alkaline / NiCd / NiMH batteries. Both channels are externally adjustable from 0.9 V to 3.3 V and can source totally up to 1.6 A, 1.0 A maximum per channel. Converters are running at 2.25 MHz switching frequency which reduces component size by allowing the use of small inductor (down to 1 mH) and capacitors and operates 180° out of phase to reduce large amount of current demand on the battery. Automatic switching PWM/PFM mode and synchronous rectification offer improved system efficiency.
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