LM333 datasheet(2/8 Pages) NSC

2 / 8 page

Absolute Maximum Ratings (Note 1)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Power Dissipation

Internally Limited

Input-Output Voltage Differential

35V

Operating Junction Temperature Range

LM333

MIN to TMAX

−40˚C to +125˚C

Storage Temperature

−65˚C to +150˚C

Lead Temperature (Soldering, 10 sec.)

TO-3 Package

300˚C

ESD Susceptibility

TBD

Electrical Characteristics LM333

Specifications with standard typeface are for T

J = 25˚C, and those with boldface type apply over the full operating tempera-

ture range. (Note 3)

Parameter

Conditions

Typical

Min

Max

Units

(Note 2)

Reference Voltage

L = 10 mA

−1.250

−1.225

−1.275

≤ |V

IN −VOUT| ≤ 35V

−1.250

−1.213

−1.287

10 mA

≤ I

L ≤ 3A, P ≤ PMAX

Line Regulation

≤ |V

IN −VOUT| ≤ 35V

0.01

0.04

% /V

OUT = 50 mA (Note 4)

0.02

0.07

Load Regulation

10 mA

≤ I

L ≤ 3A, P ≤ PMAX

0.2

1.0

(Notes 4, 5)

0.4

1.5

Thermal Regulation

10 ms Pulse

0.002

0.02

% /W

Temperature Stability

MIN ≤ TJ ≤ TMAX

0.5

Long Term Stability

J = 125˚C, 1000 Hours

0.2

Adjust Pin Current

µA

100

Adjust Pin Current

10 mA

≤ I

L ≤ 3A

2.5

µA

Change

3.0V

≤ |V

IN −VOUT| ≤ 35V

Minimum Load

IN −VOUT| ≤ 35V

2.5

Current

IN −VOUT| ≤ 10V

1.5

5.0

Current Limit

≤ |V

IN −VOUT| ≤ 10V

3.9

3.0

(Note 5)

IN −VOUT| = 20V

2.4

1.0

IN −VOUT| = 30V

0.4

0.20

Output Noise

10 Hz to 10 kHz

0.003

% (rms)

(% of V

OUT)

Ripple Rejection

OUT = 10V, f = 120 Hz

ADJ =

0 µF

ADJ =10 µF

Thermal Resistance

TO-3 Package (K STEEL)

1.2

1.8

˚C/W

Junction to Case

TO-220 Package (T)

Thermal Shutdown

163

˚C

Temperature

Thermal Resistance

K Package

Junction to Ambient

T Package

˚C/W

(No Heatsink)

Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Electrical specifications do not apply when operating the device

outside of its stated operating conditions.

Note 2: All limits are guaranteed at either room temperature (standard type face) or at temperature extremes (bold typeface) by production testing or correlation

techniques using standard Statistical Quality Control (SQC) methods.

Note 3: Unless otherwise specified: |VIN −VOUT|=5V, IOUT = 0.5A, PDISS ≤ 30W.

Note 4: Load and line regulation are measured at constant junction temperature, using low duty cycle pulse testing (output voltage changes due to heating effects

are covered by the Thermal Regulation specification). For the TO-3 package, load regulation is measured on the output pin, 1⁄8" below the base of the package.

Note 5: The output current of the LM333 is guaranteed to be

≥ 3A in the range 3V ≤ |VIN −VOUT| ≤ 10V. For the range 10V ≤ |VIN −VOUT| ≤ 15V, the guaranteed

minimum output current is equal to: 30/ (VIN −VOUT). Refer to graphs for guaranteed output currents at other voltages.

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