Datasheet Linear Technology LT1617ES5-1#PBF — 数据表

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LT1617 LT1617

设计须知

• 下载
  SOT-23 DC/DC Converters Generate Up to В±35V Outputs and Consume Only 20ВµA of Quiescent Current &mdash DN223
  PDF, 74 Kb, 档案已发布: Feb 5, 2000
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  advertisement SOT-23 DC/DC Converters Generate Up to В±35V Outputs and
  Consume Only 20µA of Quiescent Current – Design Note 223
  Bryan Legates
  Today’s portable devices need small power supply solutions that operate with a minimum of supply current.
  To meet these needs, Linear Technology introduces the
  LTВ®1615, LT1615-1, LT1617 and LT1617-1 micropower
  SOT-23 DC/DC converters. With an input voltage range
  as low as 1V and an output voltage range as high as
  В±35V, these devices provide considerable power supply
  design flexibility.
  The LT1615 and LT1615-1 are designed to regulate
  positive output voltages, whereas the LT1617 and
  LT1617-1 are designed to directly regulate negative output voltages without the need for feedback
  level-shifting circuitry. The LT1615 and LT1617 have a
  350mA current limit and a minimum input voltage of
  1.2V, whereas the LT1615-1 and LT1617-1 have a lower,
  100mA current limit and a minimum input voltage of
  1V. All four converters use tiny, low profile inductors
  and capacitors to minimize the overall system footprint
  and cost. With a quiescent current of only 20ОјA and
  a shutdown current of 0.5ОјA, these devices squeeze
  the most life out of any battery-powered application. В±20V Dual-Output Converter
  with Output Disconnect …

文章

• 下载
  Micropower 5-Lead SOT-23 Switching Regulators Extend Battery Life in Space-Sensitive Applications &mdash LT Journal
  PDF, 238 Kb, 档案已发布: Sep 1, 1999
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  DESIGN FEATURES Micropower 5-Lead SOT-23
  Switching Regulators Extend Battery
  Life in Space-Sensitive Applications
  by Bryan Legates
  Introduction L1
  4.7ВµH VIN
  1.5V TO 3V The LT1615 and LT1617 are pin
  compatible with two other members
  of the PowerSOTв„ў family, the LT1613
  and LT1611, respectively. This allows
  the same board layout to be used to
  evaluate the performance of multiple
  devices. The LT1613 and LT1611 are
  both current mode, constant frequency devices, capable of producing
  larger output currents than the
  LT1615 and LT1617.1 LT1615 2-Cell to 3.3V
  Boost Converter
  A popular supply for many portable
  electronic devices, a 2-cell alkaline to
  3.3V converter with the LT1615 can
  deliver 60mA of load current. The
  circuit is shown in Figure 1 and the
  system efficiency appears in Figure 2. …

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制造商分类

• Power Management > Switching Regulator > LCD/CCD/OLED Bias | Inverting Regulators

其他名称:

LT1617ES5-1PBF, LT1617ES5-1 PBF, LT1617ES51#PBF, LT1617ES5 1#PBF