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AIC1653

Micropower Inverting DC/DC Converter in SOT23-5

FEATURES
  • Low Quiescent Current:
  • 15uA in Active Mode
  • <1uA in Shutdown Mode
  • Operates with VIN as Low as 1.8V
  • Uses Small Surface Mount Components
  • High Output Voltage: Up to -28V
  • Low profile SOT23-5 Package
APPLICATIONS
  • LCD Bias
  • Hand-Held Computers
  • Battery Backup
  • Digital Still Cameras
DESCRIPTION
The AIC1653 is a micropower inverting DC/DC converter in SOT23-5 package. It is designed for power systems with a 100mA current limit and an input voltage ranging from 1.8V to 10V. Besides, AIC1653 features a quiescent current of only 15uA at no load, which further reduces to 0.5uA when shutdown.
The schemes of current limited and fixed off-time control conserve operating current, resulting in high efficiency over a broad range of load current. In addition, the 30V switch of AIC1653 allows high voltage outputs up to -28V, which is easily generated without the use of costly transformers. The AIC1653s low off-time of 400ns permits the use of tiny, low profile inductors and capacitors to minimize footprint and cost in space-conscious portable applications.
TYPICAL APPLICATION


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