Figure 8. Bias pin current vs. temperature

0.000

0.200

0.400

0.600

0.800

1.000

1.200

1.400

1.600

1.800

2.000

-60

-40

-20

0

20

40

60

80

100

120

140

Temperature [ºC]

Figure 9. Soft-start charging current vs. temperature

0.000

0.100

0.200

0.300

0.400

0.500

0.600

0.700

0.800

-60

-40

-20

0

20

40

60

80

100

120

140

Temperature [ºC]

Figure 10. Current limit vs. temperature

0

1

2

3

4

5

6

-60

-40

-20

0

20

40

60

80

100

120

140

Temperature [ºC]

Figure 11. VIN dropout voltage vs. temperature (IOUT = 1.5 A)

20

30

40

50

60

70

80

90

100

110

120

-60

-40

-20

0

20

40

60

80

100

120

140

Temperature [ºC]

Figure 12. VBIAS dropout voltage vs. temperature

(IOUT = 1.5 A)

500

600

700

800

900

1000

1100

1200

-60

-40

-20

0

20

40

60

80

100

120

140

Temperature [ºC]

Figure 13. VBIAS PSRR vs. frequency (VIN = 1.8 V,

VOUT = 1.2 V)

0

5

10

15

20

25

30

35

40

45

50

55

60

65

70

75

80

85

90

95

100

100

1,000

10,000

100,000

1,000,000

10,000,000

Frequency (Hz)

IOUT= 1.5A

IOUT=100mA

CIN = COUT = 10µF, CBIAS = 0.1µF, CSS = 1nF, VIN = 1.8V, VOUT = 1.2V, VBIAS = 5V + VRipple

LD59150

Typical performance characteristics

DS12455 - Rev 5

page 11/22