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      Product Information
      Your Position Product
      - Voltage detector IC
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      CN5318
      PFM Step-Up DC-DC Controller IC
      Product Profile
          Application Note
      General Description
      The CN5318 is a simple, compact PFM boost controller designed for applications where extremely low cost and small size are top priorities. The output voltage can be adjusted by the external resistor divider with 1% feedback voltage accuracy from an input voltage range of +2.7V to +6.5V.
      Low current consumption of 32uA typical makes CN5318 ideal for battery-powered applications.
      The CN5318 is designed specifically to provide a simple application circuit and minimize the size and number of external components, making them ideal for consumer electronics applications.
      The CN5318 adopts PFM operating mode, which provides excellent efficiency over a wide-range of input voltage and load currents. The on-time and off-time are tuned to permit optimization of external component size.
      Chip enable input can make CN5318 into ultra-low-current shutdown mode.
      The CN5318 is available in a space-saving 6-pin SOT23 package.
      Applications
      Hand-held Devices Power Bank
      Medical Equipment Charger
      Features
      Operating voltage range2.7V to 6V
      Low Operating Current: 32uA@5V
      Adjustable Output Voltage
      High Output voltage accuracy1%
      Output Voltage up to 18V
      Output Power: up to 35W
      High efficiency: 94%
      Chip Enable Input
      Operating Temperature Range -40C to +85C
      Available in SOT23-6
      Pb-free
      Copyright©2004-2022  Shanghai Consonance Electronics Incorporated. All rights reserved.
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