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conditions of low dissipation or by using pulse techniques Output Noise Voltage  The rms AC voltage at the
such that the average chip temperature is not significantly output, with constant load and no input ripple, measured over
affected. a specified frequency range.
Load Regulation  The change in output voltage for a Long Term Stability  Output voltage stability under
change in load current at constant chip temperature. accelerated life test conditions with the maximum rated
Maximum Power Dissipation  The maximum total voltage listed in the devices electrical characteristics and
device dissipation for which the regulator will operate within maximum power dissipation.
specifications.
10 MOTOROLA ANALOG IC DEVICE DATA
°
JUNCTION-TO-AIR ( C/W)
¸
JA
R
, THERMAL RESISTANCE
D
P , MAXIMUM POWER DISSIPATION (W)
MC7900
OUTLINE DIMENSIONS
T SUFFIX
PLASTIC PACKAGE
CASE 221A 06
ISSUE Y
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
SEATING
2. CONTROLLING DIMENSION: INCH.
 T
PLANE
3. DIM Z DEFINES A ZONE WHERE ALL BODY AND

LEAD IRREGULARITIES ARE ALLOWED.
B F C
T
S
INCHES MILLIMETERS
DIM MIN MAX MIN MAX
4 A 0.570 0.620 14.48 15.75
B 0.380 0.405 9.66 10.28
A
Q
C 0.160 0.190 4.07 4.82
D 0.025 0.035 0.64 0.88
1 2 3
U
F 0.142 0.147 3.61 3.73
G 0.095 0.105 2.42 2.66
H
H 0.110 0.155 2.80 3.93
K J 0.018 0.025 0.46 0.64
K 0.500 0.562 12.70 14.27
Z
L 0.045 0.060 1.15 1.52
N 0.190 0.210 4.83 5.33
Q 0.100 0.120 2.54 3.04
L R
R 0.080 0.110 2.04 2.79
S 0.045 0.055 1.15 1.39
V J
T 0.235 0.255 5.97 6.47
U 0.000 0.050 0.00 1.27
G
V 0.045  1.15 
D
Z  0.080  2.04
N
D2T SUFFIX
PLASTIC PACKAGE
CASE 936 03
(D2PAK)
ISSUE B
OPTIONAL
NOTES:
TERMINAL 4
CHAMFER  T 1 DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.

A U 2 CONTROLLING DIMENSION: INCH.
E
3 TAB CONTOUR OPTIONAL WITHIN DIMENSIONS
A AND K.
4 DIMENSIONS U AND V ESTABLISH A MINIMUM
MOUNTING SURFACE FOR TERMINAL 4.
S
K
5 DIMENSIONS A AND B DO NOT INCLUDE MOLD
V
FLASH OR GATE PROTRUSIONS. MOLD FLASH
AND GATE PROTRUSIONS NOT TO EXCEED
B
0.025 (0.635) MAXIMUM.
H
F
INCHES MILLIMETERS
1 2 3
DIM MIN MAX MIN MAX
A 0.386 0.403 9.804 10.236
M
B 0.356 0.368 9.042 9.347
L
C 0.170 0.180 4.318 4.572
P D 0.026 0.036 0.660 0.914
J
E 0.045 0.055 1.143 1.397
N
F 0.051 REF 1.295 REF
D
G 0.100 BSC 2.540 BSC
R
M H 0.539 0.579 13.691 14.707
0.010 (0.254) T
J 0.125 MAX 3.175 MAX
G
K 0.050 REF 1.270 REF
L 0.000 0.010 0.000 0.254
M 0.088 0.102 2.235 2.591
N 0.018 0.026 0.457 0.660
P 0.058 0.078 1.473 1.981
_ _
R 5 REF 5 REF
C
S 0.116 REF 2.946 REF
U 0.200 MIN 5.080 MIN
V 0.250 MIN 6.350 MIN
11
MOTOROLA ANALOG IC DEVICE DATA
MC7900
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specifically disclaims any and all liability, including without limitation consequential or incidental damages.  Typical parameters which may be provided in Motorola
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12 MOTOROLA ANALOG IC DEVICE DATA
MC7900/D
Ê%
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