ISL80121-5

6

FN7713.4

September 29, 2011

FIGURE 1. DROPOUT VOLTAGE vs LOAD

FIGURE 2. OUTPUT VOLTAGE vs TEMPERATURE

FIGURE 3. OUTPUT VOLTAGE vs OUTPUT CURRENTFIGURE 4. GROUND CURRENT vs LOAD CURRENT

FIGURE 5. SHUTDOWN CURRENT vs TEMPERATURE

FIGURE 6. ENABLE START-UP

0

30

60

90

120

150

0

0.2

0.4

0.6

0.8

1.0

LOAD CURRENT (A)

-40°C

+25°C

+125°C

-1.8

-1.2

-0.6

0

0.6

1.2

1.8

-50

-25

0

255075

100

125

150

JUNCTION TEMPERATURE (°C)

-1.8

-1.2

-0.6

0

0.6

1.2

1.8

0

0.25

0.50

0.75

1.00

OUTPUT CURRENT (A)

+125°C

+25°C

-40°C

2.85

2.90

2.95

3.00

3.05

3.10

3.15

3.20

3.25

3.30

00.2

0.4

0.6

0.8

1

LOAD CURRENT (A)

-40°C

+25°C

+125°C

0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

-40 -25 -10

5

20

35

50

65

80

95 110 125

TEMPERATURE (°C)

PG (5V/DIV)

SS (2V/DIV)

ENABLE (2V/DIV)

TIME (2ms/DIV)