6

Date: 6/7/06 Rev B

SP6648 Ultra-low Quiescent Current, High Efficiency Boost Regulator

© 2006 Sipex Corporation

4.900

4.920

4.940

4.960

4.980

5.000

5.020

5.040

5.060

5.080

5.100

0

100

200

300

400

500

Iload (mA)

Vi=4.2V

Vi=3.2V

Vi=2.6V

Vi=2.0V

Vi=1.6V

Vi=1.0V

60

65

70

75

80

85

90

95

100

0.1

1.0

10.0

100.0

1000.0

Iload (mA)

Vi=4.2V

Vi=3.2V

Vi=2.6V

Vi=2.0V

Vi=1.6V

Vi=1.0V

Efficiency vs. Current Load, V

0

50

100

150

200

250

300

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

Vin (V)

No Load Battery Current, V

60

65

70

75

80

85

90

95

100

0.1

1.0

10.0

100.0

1000.0

Iload (mA)

Vi=3.0V

Vi=2.6V

Vi=2.0V

Vi=1.3V

Vi=1.0V

Efficiency vs. Load Current, V

TYPICAL PERFORMANCE CHARACTERISTICS

3.200

3.220

3.240

3.260

3.280

3.300

3.320

3.340

3.360

3.380

3.400

0

100

200

300

400

500

Vi=3.0V

Vi=2.6V

Vi=2.0V

Vi=1.3V

Vi=1.0V

Line/Load Rejection vs. Load Current, V

0

20

40

60

80

100

1.0

1.5

2.0

2.5

3.0

Vin (V)

Line/Load Rejection vs. Load Current, V

No Load Battery Current, V