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LM385M3-1.2/NOPB

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Voltage Reference, Micropower, Shunt - Fixed, LM385 Series, 1.235V, SOT-23-3

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  • SOT-23-3
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  • Voltage & Current References
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LM385M3-1.2/NOPB Product Details

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Description

The LM185-1.2-N/LM285-1.2-N/LM385M3-1.2/NOPB are micropower 2-terminal band-gap voltage regulator diodes. Operating over a 10μA to 20mA current range, they feature exceptionally low dynamic impedance and good temperature stability. On-chip trimming is used to provide tight voltage tolerance. Since the LM185-1.2-N band-gap reference uses only transistors and resistors, low noise and good long term stability result.

Careful design of the LM185-1.2-N has made the device exceptionally tolerant of capacitive loading, making it easy to use in almost any reference application. The wide dynamic operating range allows its use with widely varying supplies with excellent regulation.

The extremely low power drain of the LM185-1.2-N makes it useful for micropower circuitry. This voltage reference can be used to make portable meters, regulators or general purpose analog circuitry with battery life approaching shelf life.

Further, the wide operating current allows it to replace older references with a tighter tolerance part.

The LM185-1.2-N is rated for operation over a ?55°C to 125°C temperature range while the LM285-1.2-N is rated ?40°C to 85°C and the LM385M3-1.2/NOPB 0°C to 70°C. The LM185-1.2-N/LM285-1.2-N are available in a hermetic TO package and the LM285-1.2-N/LM385M3-1.2/NOPB are also available in a low-cost TO-92 molded package, as well as SOIC and SOT-23.

LM385M3-1.2/NOPB

Feature

  • ±1% and 2% Initial Tolerance
  • Operating Current of 10μA to 20mA
  • 1Ω Dynamic Impedance
  • Low Temperature Coefficient
  • Low Voltage Reference—1.235V
  • 2.5V Device and Adjustable Device Also Available
  • LM185-2.5 Series and LM185 Series, respectively

All trademarks are the property of their respective owners.

Description

The LM185-1.2-N/LM285-1.2-N/LM385-1.2-N are micropower 2-terminal band-gap voltage regulator diodes. Operating over a 10μA to 20mA current range, they feature exceptionally low dynamic impedance and good temperature stability. On-chip trimming is used to provide tight voltage tolerance. Since the LM185-1.2-N band-gap reference uses only transistors and resistors, low noise and good long term stability result.

Careful design of the LM185-1.2-N has made the device exceptionally tolerant of capacitive loading, making it easy to use in almost any reference application. The wide dynamic operating range allows its use with widely varying supplies with excellent regulation.

The extremely low power drain of the LM185-1.2-N makes it useful for micropower circuitry. This voltage reference can be used to make portable meters, regulators or general purpose analog circuitry with battery life approaching shelf life.

Further, the wide operating current allows it to replace older references with a tighter tolerance part.

The LM185-1.2-N is rated for operation over a ?55°C to 125°C temperature range while the LM285-1.2-N is rated ?40°C to 85°C and the LM385-1.2-N 0°C to 70°C. The LM185-1.2-N/LM285-1.2-N are available in a hermetic TO package and the LM285-1.2-N/LM385-1.2-N are also available in a low-cost TO-92 molded package, as well as SOIC and SOT-23.

LM385M3-1.2/NOPB Block Diagram
(Picture: Diagram)

Technical Parameters

  • Product
  • Voltage References
  • Topology
  • Shunt References
  • Output Voltage
  • 1.235 V
  • Initial Accuracy
  • 2 %
  • Average Temperature Coefficient (Typ)
  • 150 PPM
  • Series VREF Input Voltage (Max)
  • 1.235 V
  • Shunt Current (Max)
  • 20 mA
  • Maximum Operating Temperature
  • + 70 C
  • Mounting Style
  • SMD/SMT
  • Package / Case
  • SOIC-8
  • Packaging
  • Reel
  • Minimum Operating Temperature
  • 0 C
  • Reference Type
  • Precision
  • Series
  • LM385-1.2-N
  • Factory Pack Quantity
  • 1000

LM385M3-1.2/NOPB Documents

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Q: How does Jotrin guarantee that LM385M3-1.2/NOPB is the original manufacturer or agent of TI?
We have a professional business development department to strictly test and verify the qualifications of TI original manufacturers and agents. All TI suppliers must pass the qualification review before they can publish their LM385M3-1.2/NOPB devices; we pay more attention to the channels and quality of LM385M3-1.2/NOPB products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
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All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LM385M31.2NOPB we delivered, we will accept the replacement or return of the LM385M3-1.2/NOPB only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of LM385M3-1.2/NOPB.
(3)The LM385M3-1.2/NOPB is unused and only in the original unpacked packaging.
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