RH3083MK

量产

Adjustable 2.8A Single Resistor Low Dropout Regulator

数据手册 (Rev. B) 产品选型表
产品技术资料帮助

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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概述

  • Outputs May Be Paralleled for Higher Current and Heat Spreading
  • Single Resistor Sets Output Voltage
  • Output Adjustable to 0V
  • 50μA SET Pin Current: 1% Initial Accuracy

    • Radiation Performance

    • Total Ionizing Dose (TID) Tolerance, per TM1019.8, MIL-STD-883 Up to:
      • 200kRad (Si), per Condition A at 50Rads (Si)/sec
      • 100kRad (Si), per Condition D at 10mRads (Si)/sec
      • ELDRS Pass 100kRad (Si)
  • Single Event Latch+up (SEL) Threshold Linear Energy Transfer (LET)
    • ≥ 110MeV.cm2/mg at TCASE = 100°C
    • MIL-PRF-38535 Class V Compliant

The RH3083 is a 2.8A low dropout linear regulator with a unique architecture featuring a precision current source and voltage follower which allows the output to be programmed to any voltage between zero and 18V. Multiple regulators can be paralleled to increase total output current and spread heat over a system PC board with no need for heat sinking. The pass transistor collector can be brought out independently of the circuit supply voltage to allow dropout voltage to approach the saturation limit of the pass transistor. A small 10μF capacitor on the output with an ESR of less than 0.5Ω is adequate to ensure stability. Applications with large output load transients require a larger output capacitor value to minimize output voltage change. Input circuitry ensures output safe operating area current limiting and thermal shutdown protection. The rated output current of an RH3083-based part is fixed by internal wire length/resistance. Analog Devices dice element evaluations are based on parts rated for 2.8A output current.

Third Party Vendor Availability

Analog Devices partners with third party vendors who assemble and test packaged products with RH Dice inside.

For MSK prefix products please click on the Part Number in the table below and scroll down the linked page to find the part number.

Part Number Description SCD or SMD#
MSK5983 2.8A Positive Adjustable LDO Regulator -
MSK5984 2.8A Positive Adjustable LDO Regulator -
MSK5985 2.8A Positive Adjustable LDO Regulator -
MSK5986 2.8A Positive Adjustable LDO Regulator -
VRG8669 2.5A Positive Adjustable LDO Regulator Pending
VRG8697 2.5A Dual Positive Adjustable LDO Regulator Pending
VRG8698 2.5A Dual Positive Adjustable LDO Regulator Pending

Applications

  • High Efficiency Linear Regulators
  • Constant Voltage/Current Regulators
  • Programmable Current Source/Sink
  • Space System Power Supplies
  • Switching Power Supply Post Regulators
  • Very Low Voltage Power Supplies 
RH3083MK
Adjustable 2.8A Single Resistor Low Dropout Regulator
DIE CROSS REFERENCE RH3083 Dice Pinout
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