LT1005
: 过期
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LT1005

Logic Controlled Regulator

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: 过期 tooltip
: 过期 tooltip
产品详情
特性
  • Obsolete: Datasheet  For Information Purposes Only. Contact Analog Devices for Potential Replacement
  • Two Regulated Outputs
    • +5V at 1 amp
    • +5V at 35mA
  • 2% Output Voltage Tolerance
  • 66 dB Ripple Rejection
  • 0.5% Load Regulation
  • TTL and CMOS Compatible Logic Control
  • 100% Thermal Burn-in On All Devices
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Obsolete: Datasheet  For Information Purposes Only. Contact Analog Devices for Potential Replacement

The LT1005 features two positive 5 volt regulators in the same package. The main regulator offers excellent performance while supplying load currents up to 1 amp, and the auxiliary regulator provides similar performance while supplying lighter loads of 35mA. The main regulator has the additional feature of being under the shutdown control of a logic signal. When the enable pin is taken to a low logic level, the main regulator shuts down and its output voltage goes to a near zero volts. During this command, the auxiliary output is unaffected by the main regulator's condition and continues to provide a 5 volt output.

The main output has current and power limiting combined with thermal shutdown to make it virtually blowout proof. The auxiliary output is not affected by the thermal shutdown mechanism or the state of the main output, allowing it to be used as a back-up in case of overloads or shorts on the main supply.

The logic input of the LT1005 (enable pin) has a 1.6V threshold and can be driven from a high source impedance. This allows it to be driven by most logic families, including TTL & CMOS.

Applications

  • Power Supply Sequencing
  • Remote On/Off Power Control
  • Selective System Power During Emergency Power Operation
  • Memory Power Supply With Back-Up

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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