LM185 datasheet(3/14 Pages) NSC

部品番号	LM185

部品情報	Adjustable Micropower Voltage References

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Absolute Maximum Ratings (Note 1)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

(Note 2)

Reverse Current

30mA

Forward Current

10mA

Operating Temperature Range (Note 3)

LM185 Series

−55˚C to 125˚C

LM285 Series

−40˚C to 85˚C

LM385 Series

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 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

LM185, LM285

LM385

Typ

LM185BX,

LM185BY

Typ

LM385BX,

LM185B,

LM285BX,

LM285

LM385BY

LM385

Units

LM285BY

(Limit)

Tested Design Tested Design

Limit

(Note

5)

(Note

6)

(Note

5)

(Note

6)

(Note

5)

(Note

6)

(Note

5)

(Note

6)

Reference

Voltage

I

R = 100µA

1.240

1.252

1.265

1.270 1.240

1.252

1.255

1.265

1.270

V

1.255

(max)

1.228

1.215

1.205

1.228

1.215

1.205

V

1.215

(min)

Reference

Voltage

I

MIN< IR < 1mA

0.2

1

1.5

1

1.5

0.2

1

1.5

1

1.5

mV

Change with

Current

1mA < I

R < 20mA

4

10

20

10

20

515

25

15

25

(max)

Dynamic Output I

R = 100µA,

f = 100Hz

Impedance

I

AC = 0.1 IR

V

OUT =

V

REF

0.3

0.4

Ω

V

OUT =

5.3V

0.7

1

Reference

Voltage

I

R = 100µA

mV

Change with

Output

13

6

3

6

25

10

5

10

(max)

Voltage

Feedback

Current

13

20

25

20

25

16

30

35

30

35

nA

(max)

Minimum

Operating

V

OUT =VREF

69

10

9

10

711

13

11

13

µA

Current (see

curve)

V

OUT = 5.3V

30

45

50

45

50

35

55

60

55

60

(max)

Output

Wideband

I

R = 100µA, 10Hz < f <

10kHz

Noise

V

OUT =VREF

50

µV

rms

V

OUT = 5.3V

170

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