ADM1052
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ADM1052

Precision Dual Voltage Regulator Controller

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: 过期 tooltip
: 过期 tooltip
产品详情
特性
  • Shutdown Inputs to Control Each Channel
  • ±2.5% Accuracy Over Line, Load, and Temperature
  • Works with External N-Channel MOSFETs for Low Cost
  • No External Voltage or Current Setting Resistors
  • Two Independent Controllers on One Chip
  • Two 2.525 V Outputs
  • Low Quiescent Current
  • Low Shutdown Current
  • “Hiccup Mode” Fault Protection
  • Small, 8-Lead SO Package
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The ADM1052 is a dual, precision, voltage regulator controller intended for power rail generation and active bus termination on personal computer motherboards. It contains a precision 1.2 V bandgap reference and two channels consisting of con-trol amplifiers driving external power devices. Each channel has a shutdown input to turn off amplifier output and "Hiccup Mode" protection circuitry for the external power device.

The ADM1052 operates from a 12 V supply. This gives suffi-cient headroom for the amplifiers to drive external N-channel MOSFETs, operating as source-followers, as the external series pass devices. This has the advantage that N-channel devices are cheaper than P-channel devices of similar performance, and the circuit is easier to stabilize than one using P-channel devices in a common-source configuration.

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。

软件和型号相关生态系统

软件和型号相关生态系统

工具和仿真

工具及仿真模型 1

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