adp1108
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adp1108

Micropower DC- DC Converter Adjustable and Fixed 3.3 V, 5 V, 12 V

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: 过期 tooltip
: 过期 tooltip
产品详情
特性
  • Operates at Supply Voltages From 2.0V to 30V
  • User-Adjustable Current Limit
  • Consumes Only 110 mA Supply Current
  • Internal 1 A Power Switch
  • Fixed or Adjustable Output
    Voltage Versions
  • Step-Up or Step-Down Mode Operation
  • 8-Pin DIP or SO-8 Package
  • Minimum External Components Required
  • Low Battery Detector Comparator On-Chip
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The ADP1108 is a highly versatile micropower switch- mode dc- dc converter that operates from an input voltage supply as low as 2.0 V and typically starts up from 1.8 V.

The ADP1108 can be programmed into a step- up or step- down dc- to- dc converter with only three external components. The fixed outputs are 3.3 V, 5 V and 12 V. An adjustable version is also available. In step- up mode, supply voltage range is 2.0 V to 12 V, and 30 V in step- down mode. The ADP1108 can deliver 150 mA at 5 V from a 2 AA cell input and 300 mA at 5 V from a 9 V input in step- down mode. Switch current limit can be programmed with a single resistor.

For battery operated and power conscious applications, the ADP1108 offers a very low power consumption of less than 110 µA.

The auxiliary gain block available in ADP1108 can be used as a low battery detector, linear post regulator, under voltage lockout circuit or error amplifier.

产品技术资料帮助

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ADI公司所提供的资料均视为准确、可靠。但本公司不为用户在应用过程中侵犯任何专利权或第三方权利承担任何责任。技术指标的修改不再另行通知。本公司既没有含蓄的允许,也不允许借用ADI公司的专利或专利权的名义。本文出现的商标和注册商标所有权分别属于相应的公司。

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