Power Management IPS20 and IPS21

© Copyright 2006-2009 - ASIC Advantage, Inc.

AADS00001/AA743

- Revision 5– Dec 2008

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-0.2

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

1.8

2

2.2

47.5

48

48.5

49

49.5

50

50.5

51

ISENSE (mV)

Figure 6a: Transfer Function of the IPS20 Current Regulation

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

1.8

2

98.5

98.6

98.7

98.8

98.9

99

99.1

99.2

99.3

99.4

99.5

Isense (mV)

Figure 6b: Transfer function of the IPS21 current regulation

Fig 7: Open loop gain of VSENSE amplifier without compensation

-20

0

20

40

60

80

100

120

140

0.001

0.01

0.1

1

10

100

1000

10000

100000

1000000

Frequency (Hz)