SC1457 SEMTECH [Semtech Corporation], SC1457 Datasheet - Page 8

• Manufacturer Part Number: SC1457
• Description: 150mA Ultra Low Dropout Regulator with Undervoltage Flag
• Manufacturer: SEMTECH [Semtech Corporation]

POWER MANAGEMENT
Typical Characteristics (Cont.)
2004 Semtech Corp.
Flag Threshold Voltage vs. Junction Temperature
200
175
150
125
100
1.6
1.4
1.2
1.0
0.8
0.6
0.4
-4.0
-4.5
-5.0
-5.5
-6.0
-6.5
-7.0
-7.5
-8.0
75
50
25
0
Enable Input Threshold Voltage vs. Junction
-50
-50
Dropout Voltage vs. Junction Temperature
-50
V
V
V
V
IH
IH
IL
IL
@ V
@ V
@ V
@ V
Temperature vs. Input Voltage
-25
-25
IN
IN
-25
IN
IN
= 6.5V
= 3.8V
= 6.5V
= 3.8V
vs. Output Current
vs. Output Voltage
0
0
0
25
25
25
T
T
T
J
J
J
(°C)
(°C)
(°C)
50
50
50
V
V
OUT
OUT
= 1.5V
= 3.3V
75
75
75
I
I
OUT
OUT
= 150mA
= 50mA
100
100
100
125
125
125
8
200
175
150
125
100
-4.0
-4.5
-5.0
-5.5
-6.0
-6.5
-7.0
-7.5
-8.0
200
175
150
125
100
75
50
25
75
50
25
0
0
-50
2.0
0
Flag Threshold Voltage vs. Input Voltage
V
Flag Voltage vs. Junction Temperature
IN
Dropout Voltage vs. Output Current
= 4.3V
2.5
-25
25
vs. Junction Temperature
3.0
vs. Output Voltage
vs. Flag Current
0
I
I
3.5
FLG
50
FLG
= 10mA
= 1mA
25
4.0
I
OUT
T
V
J
IN
75
(°C)
(mA)
(V)
4.5
50
100
5.0
V
V
75
OUT
OUT
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SC1457
Top to bottom:
T
T
T
5.5
= 1.5V
= 3.3V
J
J
J
= 125°C
= 25°C
= -40°C
125
100
6.0
150
125
6.5