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LM333T Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. LM333T
Description  3-Ampere Adjustable Negative Regulators
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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Electrical Characteristics LM333 (Continued)
Specifications with standard typeface are for T
J = 25˚C, and those with boldface type apply over the full operating temperature
range. (Note 3)
Parameter
Conditions
Typical
Min
Max
Units
(Note 2)
(Note 2)
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 =
0µF
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.
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