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LM333K Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. LM333K
Description  3-Ampere Adjustable Negative Regulator
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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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.
Power Dissipation
Internally Limited
Input-Output Voltage Differential
35V
Operating Junction Temperature Range
LM333
T
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)
(Note 2)
Reference Voltage
I
L = 10 mA
−1.250
−1.225
−1.275
V
3V
≤ |V
IN −VOUT| ≤ 35V
−1.250
−1.213
−1.287
10 mA
≤ I
L ≤ 3A, P ≤ PMAX
Line Regulation
3V
≤ |V
IN −VOUT| ≤ 35V
0.01
0.04
% /V
I
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
T
MIN ≤ TJ ≤ TMAX
0.5
%
Long Term Stability
T
J = 125˚C, 1000 Hours
0.2
%
Adjust Pin Current
65
95
µA
70
100
Adjust Pin Current
10 mA
≤ I
L ≤ 3A
2.5
8
µA
Change
3.0V
≤ |V
IN −VOUT| ≤ 35V
Minimum Load
|V
IN −VOUT| ≤ 35V
2.5
10
mA
Current
|V
IN −VOUT| ≤ 10V
1.5
5.0
Current Limit
3V
≤ |V
IN −VOUT| ≤ 10V
3.9
3.0
(Note 5)
|V
IN −VOUT| = 20V
2.4
1.0
A
|V
IN −VOUT| = 30V
0.4
0.20
Output Noise
10 Hz to 10 kHz
0.003
% (rms)
(% of V
OUT)
Ripple Rejection
V
OUT = 10V, f = 120 Hz
C
ADJ =
0 µF
60
dB
C
ADJ =10 µF
77
Thermal Resistance
TO-3 Package (K STEEL)
1.2
1.8
˚C/W
Junction to Case
TO-220 Package (T)
3
4
Thermal Shutdown
163
˚C
Temperature
Thermal Resistance
K Package
35
Junction to Ambient
T Package
50
˚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, 18" 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.
www.national.com
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