12

12

468

10

1.8

1.6

0.0

0.8

0.6

0.4

0.2

1.4

1.0

1.2

0 C

25 C

70 C

Figure 12. Operating Frequency vs.

TEMPERATURE – C

155

120

0

100

25

70

85

150

145

140

135

130

125

MAXIMUM THRESHOLD

Figure 15. Current Sense Threshold

Voltage

OPERATING FREQUENCY – kHz

30

0

20

50

260

80

110

140

170

200

230

25

20

15

10

5

Qn+Qp = 50nC

Qn+Qp = 100nC

Figure 13. Gate Charge Supply

Current

OUTPUT VOLTAGE – V

80

30

0

0.3 0.5

5.0

1.0 1.5 2.0 2.5 3.0 3.3 3.5 4.0 4.5

70

40

20

10

60

50

5V

3.3V

ADP1148, ADP1148-3.3, ADP1148-5–Typical Performance Characteristics

–6–

REV. A