LM285-2.5 datasheet(3/13 Pages) NSC

3 / 13 page

Absolute Maximum Ratings (Notes 1,

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Reverse Current

30 mA

Forward Current

10 mA

Operating Temperature

Range (Note 3)

LM185-2.5

−55˚C to + 125˚C

LM285-2.5

−40˚C to + 85˚C

LM385-2.5

0˚C to 70˚C

Storage Temperature

−55˚C to + 150˚C

Soldering Information

TO-92 Package (10 sec.)

260˚C

TO-46 Package (10 sec.)

300˚C

SO and SOT Package

Vapor Phase (60 sec.)

215˚C

Infrared (15 sec.)

220˚C

See AN-450 “Surface Mounting Methods and Their Effect on

Product Reliability” for other methods of soldering surface

mount devices.

Electrical Characteristics

(Note 4)

Parameter

Conditions

Typ

LM385A-2.5

Units

(Limits)

LM385AX-2.5

LM385AY-2.5

Tested

Design

Limit

(Note 5)

(Note 6)

Reverse Breakdown

R = 100 µA

2.500

2.480

V(Min)

Voltage

2.520

V(Max)

2.500

2.470

V(Min)

2.530

V(Max)

Minimum Operating

µA

Current

(Max)

Reverse Breakdown

MIN

≤ I

≤ 1mA

1.5

Voltage Change with

(Max)

Current

1 mA

≤ I

≤ 20 mA

(Max)

Reverse Dynamic

R = 100 µA,

0.2

0.6

Ω

Impedance

f = 20 Hz

1.5

Wideband Noise (rms)

R = 100 µA

120

µV

10 Hz

≤ f ≤ 10 kHz

Long Term Stability

R = 100 µA,

T = 1000 Hr,

ppm

A = 25˚C ±0.1˚C

Average Temperature

MIN

≤ I

≤ 20 mA

Coefficient (Note 7)

X Suffix

ppm/˚C

Y Suffix

(Max)

All Others

150

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