NCP140
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6
TYPICAL CHARACTERISTICS
Figure 15. Dropout Voltage vs. Temperature −
V
OUT
= 1.8 V
Figure 16. Dropout Voltage vs. Temperature −
V
OUT
= 3.3 V
T
J
, JUNCTION TEMPERATURE (°C) T
J
, JUNCTION TEMPERATURE (°C)
805035205−10−25−40
0
35
105
140
210
1245
315
350
80653520−10−25−40
0
20
60
80
120
140
180
200
Figure 17. Current Limit vs. Temperature Figure 18. Short Circuit Current vs.
Temperature
T
J
, JUNCTION TEMPERATURE (°C) T
J
, JUNCTION TEMPERATURE (°C)
8065355−10−25−40
150
165
195
210
240
255
285
300
806535205−10−25−40
150
165
195
210
225
270
300
Figure 19. Enable Threshold Voltage vs.
Temperature
Figure 20. Enable Current vs. Temperature
T
J
, JUNCTION TEMPERATURE (°C) T
J
, JUNCTION TEMPERATURE (°C)
1201006040200−20−40
0
0.1
0.3
0.4
0.6
0.7
0.9
1.0
806550355−10−25−40
0
50
150
200
300
350
450
500
V
DROP
, DROPOUT VOLTAGE (mV)
V
DROP
, DROPOUT VOLTAGE (mV)
I
CL
, CURRENT LIMIT (mA)
I
SC
, SHORT CIRCUIT CURRENT (mA)
V
EN
, ENABLE VOLTAGE THRESHOLD (V)
I
EN
, ENABLE CURRENT (nA)
V
OUT
= 1.8 V
C
IN
= 1 mF
C
OUT
= 1 mF
I
OUT
= 150 mA
I
OUT
= 75 mA
I
OUT
= 10 mA
65 95
70
175
280
55095
40
100
160
V
IN
= V
OUT(nom)
+ 0.5 V
V
OUT
= 90% V
OUT(nom)
C
IN
= 1 mF
C
OUT
= 1 mF
V
OUT
= 3.3 V
V
OUT
= 1.8 V
180
225
270
20 50 95 50 95
180
255
285
240
80 140
0.2
0.5
0.8
V
IN
= 4.3 V
V
OUT
= 3.3 V
C
IN
= 1 mF
C
OUT
= 1 mF
OFF −> ON
ON −> OFF
20 95
100
250
400
V
OUT
= 3.3 V
C
IN
= 1 mF
C
OUT
= 1 mF
I
OUT
= 150 mA
I
OUT
= 75 mA
I
OUT
= 10 mA
V
IN
= V
OUT(nom)
+ 0.5 V
V
OUT
= 0 V (short)
C
IN
= 1 mF
C
OUT
= 1 mF
V
OUT
= 3.3 V
V
OUT
= 1.8 V
V
IN
= 4.3 V
V
OUT
= 3.3 V
C
IN
= 1 mF
C
OUT
= 1 mF