MicroPower Voltage Reference Diodes

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Overview

The LM285/LM385 series are micropower two-terminal bandgap voltage regulator diodes. Designed to operate over a wide current range of 10 µA to 20 mA, these devices feature exceptionally low dynamic impedance, low noise and stable operation over time and temperature. Tight voltage tolerances are achieved by on-chip trimming. The large dynamic operating range enables these devices to be used in applications with widely varying supplies with excellent regulation. Extremely low operating current make these devices ideal for micropower circuitry like portable instrumentation, regulators and other analog circuitry where extended battery life is required.

The LM285/LM385 series are packaged in a low cost TO-226AA plastic case and are available in two voltage versions of 1.235 and 2.500 V as denoted by the device suffix (see Ordering Information table). The LM285 is specified over a -40 C to +85 C temperature range while the LM385 is rated from 0 C to +70 C.

The LM385 is also available in a surface mount plastic package in voltages of 1.235 and 2.500 V.

  • Operating Current from 10 µA to 20 mA
  • 1.0%, 1.5%, 2.0% and 3.0% Initial Tolerance Grades
  • Low Temperature Coefficient
  • 1.0 W Dynamic Impedance
  • Surface Mount Package Available
  • Pb-Free Packages are Available

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9

Product

Status

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Type

V(BR) Typ (V)

Tolerance (%)

IQ Typ (mA)

IR Min (mA)

VF Max (V)

TA Min (°C)

TA Max (°C)

Reference Price

LM285D-1.2G

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Active

CAD Model

Pb

A

H

P

SOIC-8

1

260

TUBE

98

N

Fixed

1.25

1

-

0.01

-

-40

85

$0.2329

More Details

LM285D-1.2R2G

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Active

CAD Model

Pb

A

H

P

SOIC-8

1

260

REEL

2500

N

Fixed

1.25

1

-

0.01

-

-40

85

$0.2932

More Details

LM285D-2.5G

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Active

CAD Model

Pb

A

H

P

SOIC-8

1

260

TUBE

98

N

Fixed

2.5

1.5

-

0.01

-

-40

85

$0.2246

More Details

LM285D-2.5R2G

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Active

CAD Model

Pb

A

H

P

SOIC-8

1

260

REEL

2500

N

Fixed

2.5

1.5

-

0.01

-

-40

85

$0.2581

More Details

LM285Z-1.2G

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Active

CAD Model

Pb

A

H

P

TO-92

NA

0

BLKBG

2000

N

Fixed

1.25

1

-

0.01

-

-40

85

$0.3021

More Details

LM285Z-1.2RAG

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Active

CAD Model

Pb

A

H

P

TO-92

NA

0

REEL

2000

N

Fixed

1.25

1

-

0.01

-

-40

85

$0.2131

More Details

LM285Z-2.5G

Loading...

Active

CAD Model

Pb

A

H

P

TO-92

NA

0

BLKBG

2000

N

Fixed

2.5

1.5

-

0.01

-

-40

85

$0.2933

More Details

LM285Z-2.5RAG

Loading...

Active

CAD Model

Pb

A

H

P

TO-92

NA

0

REEL

2000

N

Fixed

2.5

1.5

-

0.01

-

-40

85

$0.2131

More Details

LM285Z-2.5RPG

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Active

CAD Model

Pb

A

H

P

TO-92

NA

0

BLKBX

2000

N

Fixed

2.5

1.5

-

0.01

-

-40

85

$0.2131

More Details

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