Specifications for Military/Aerospace products are not

contained in this datasheet. Refer to the following Reli-

ability

Electrical

Test

Specifications

documents:

RETS199X for LM199, RETS199AX for LM199A.

Temperature Stabilizer Voltage

LM199/LM299/LM399

40V

LM3999

36V

Reverse Breakdown Current

20 mA

Forward Current

LM199/LM299/LM399

1 mA

LM3999

−0.1 mA

Reference to Substrate Voltage V

40V

−0.1V

Operating Temperature Range

LM199

−55˚C to +125˚C

LM299

−25˚C to +85˚C

LM399/LM3999

−0˚C to +70˚C

Storage Temperature Range

−55˚C to +150˚C

Soldering Information

TO-92 package (10 sec.)

+260˚C

TO-46 package (10 sec.)

+300˚C

Parameter

Conditions

LM199H/LM299H

LM399H

Units

Min

Typ

Max

Min

Typ

Max

Reverse Breakdown Voltage

0.5 mA

≤ I

6.8

6.95

7.1

6.6

6.95

7.3

V

Reverse Breakdown Voltage

0.5 mA

≤ I

6

9

6

12

mV

Change with Current

Reverse Dynamic Impedance

I

0.5

1

0.5

1.5

Ω

Reverse Breakdown

−55˚C

≤T

LM199

0.00003

0.0001

%/˚C

Temperature Coefficient

+85˚C

≤T

0.0005

0.0015

%/˚C

−25˚C

≤T

LM299

0.00003

0.0001

%/˚C

0˚C

≤T

LM399

0.00003

0.0002

%/˚C

RMS Noise

10 Hz

≤ f ≤ 10 kHz

7

20

7

50

µV

Long Term Stability

Stabilized, 22˚C

≤T

20

20

ppm

1000 Hours, I

Temperature Stabilizer

T

8.5

14

8.5

15

mA

Supply Current

T

22

28

Temperature Stabilizer

9

40

9

40

V

Supply Voltage

Warm-Up Time to 0.05%

V

3

3

sec.

Initial Turn-on Current

9

≤V

140

200

140

200

mA

Note 1: “Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is

functional, but do not guarantee specific performance limits.

Parameter

Conditions

LM3999Z

Units

Min

Typ

Max

Reverse Breakdown Voltage

0.6 mA

≤ I

6.6

6.95

7.3

V

Reverse Breakdown Voltage

0.6 mA

≤ I

6

20

mV

Change with Current

Reverse Dynamic Impedance

I

0.6

2.2

Ω

Reverse Breakdown

0˚C

≤ T

0.0002

0.0005

%/˚C

Temperature Coefficient

RMS Noise

10 Hz

≤ f ≤ 10 kHz

7

µV

Long Term Stability

Stabilized, 22˚C

≤ T

20

ppm

1000 Hours, I

Temperature Stabilizer

T

12

18

mA

Temperature Stabilizer

36

V

Supply Voltage

Warm-Up Time to 0.05%

V

5

sec.

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