NCP1117, NCV1117
OUTPUT VOLTAGE
DEVIATION (V)
INPUT
VOLTAGE (V)
14.5
13.5
C
in
= 1.0
mF
C
out
= 10
mF
I
out
= 0.1 A
T
A
= 25°C
0.1
0
C
in
= 10
mF
C
out
= 10
mF
V
in
= 13.5 V
Preload = 0.1 A
T
A
= 25°C
−0.1
OUTPUT VOLTAGE
DEVIATION (mV)
20
0
−20
0
40
80
120
160
200
LOAD CURRENT
CHANGE (A)
0.5
0
0
40
80
120
160
200
t, TIME (ms)
t, TIME (ms)
Figure 16. NCP1117XT12 Line
Transient Response
Figure 17. NCP1117XT12 Load
Transient Response
180
R
qJA
, THERMAL RESISTANCE,
JUNCTION−TO−AIR (°CW)
160
140
120
100
80
R
qJA
60
0
5.0
Minimum
Size Pad
1.6
P
D(max)
for T
A
= 50°C
2.0 oz. Copper
L
L
1.4
1.2
1.0
0.8
0.6
0.4
30
10
15
20
25
L, LENGTH OF COPPER (mm)
Figure 18. SOT−223 Thermal Resistance and Maximum
Power Dissipation vs. P.C.B. Copper Length
100
R
qJA
, THERMAL RESISTANCE,
JUNCTION−TO−AIR (°CW)
90
80
70
60
50
Minimum
Size Pad
1.6
P
D(max)
for T
A
= 50°C
1.4
2.0 oz. Copper
L
L
1.2
1.0
0.8
0.6
R
qJA
40
0
5.0
10
15
20
25
0.4
30
L, LENGTH OF COPPER (mm)
Figure 19. DPAK Thermal Resistance and Maximum
Power Dissipation vs. P.C.B. Copper Length
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7
P
D
, MAXIMUM POWER DISSIPATION (W)
P
D
, MAXIMUM POWER DISSIPATION (W)
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