3

Date: /20/06

SP7653 Wide Input Voltage Range, .3MHz, Buck Regulator

© Copyright 2006 Sipex Corporation

13

Date: 2/17/06

SP7653 Wide Input Voltage Range, 1.3MHz, Buck Regulator

© Copyright 2006 Sipex Corporation

TYPICAL PERFORMANCE CHARACTERISTICS

Efficiency vs Output Load at 12Vin

40

50

60

70

80

90

100

0

0.5

1

1.5

2

2.5

3

Output Load Current (A)

Vout = 5.0V

Vout = 3.3V

Vout = 2.5V

Vout = 1.8V

Vout = 1.5V

Vout = 1.2V

Efficiency vs Output Load at 5Vin

40

50

60

70

80

90

100

0

0.5

1

1.5

2

2.5

3

Output Load Current (A)

Vout = 3.3V

Vout = 2.5V

Vout = 1.8V

Vout = 1.5V

Vout = 1.2V

Efficiency vs Output Load at 3.3Vin

40

50

60

70

80

90

100

0

0.5

1

1.5

2

2.5

3

Output Load Current (A)

Vout = 2.5V

Vout = 1.8V

Vout = 1.5V

Vout = 1.2V