Data Sheet

ADPL21501

analog.com

Rev. 0

7 of 15

TYPICAL PERFORMANCE CHARACTERISTICS

(TA = 25°C, VIN = 1.2V, VSHDN = 1.2V, unless otherwise noted.)

Figure 5. Efficiency vs. Output Current

(See Figure 1, Typical Application Circuit)

Figure 6. Output Voltage vs. Output Current

(See Figure 1, Typical Application Circuit)

Figure 7. Feedback Pin Voltage and Bias Current

Figure 8. Quiescent Current

Figure 9. Switch-off Time

Figure 10. Switch Current Limit

LOAD CURRENT (µA)

10

100

500

100

90

80

70

60

50

40

30

20

10

0

VIN = 1.8V

VIN = 3.3V

VIN = 5V

LOAD CURRENT (µA)

10

100

500

29.920

29.908

29.896

29.884

29.872

29.860

29.848

29.836

29.824

29.812

29.800

VIN = 1.8V

VIN = 3.3V

VIN = 5V

VOLTAGE

TEMPERATURE (°C)

–50

1.20

1.21

1.22

1.23

1.24

1.25

50

40

30

20

10

0

–25

0

25

50

75

100

CURRENT

TEMPERATURE (°C)

25

23

21

19

17

15

–50

–25

0

25

50

75

100

VFB = 1.23V

NOT SWITCHING

VIN = 1.2V

VIN = 12V

TEMPERATURE (°C)

550

500

450

400

350

300

250

–50

–25

0

25

50

75

100

VIN = 1.2V

VIN = 12V

TEMPERATURE (°C)

400

350

300

250

200

150

100

0

50

–50

–25

0

25

50

75

100

VIN = 1.2V

VIN = 12V