P r o d u c t I n n o v a t i o n F r o m

MSA240

MSA240U

3

0

20

40

60

80

100

0

25

50

75

100

125

POWER DERATING

CASE TEMPERATURE, (C)

97

98

99

100

FREQUENCY = 44KHz

10K

100K

1M

CLOCK LOAD RESISTANCE, ()

CLOCK LOADING

-40 -20

0

20 40 60 80 100

99.2

99.4

99.6

99.8

100.0

100.2

CASE TEMPERATURE, (C)

CLOCK FREQUENCY OVER TEMP.

0.4

0.6

0.8

1.0

1.2

0

4

8

12

16

20

SOURCE TO DRAIN DIODE VOLTAGE

REVERSE DIODE

0

4

8

12

16

20

0

1

2

3

4

5

OUTPUT CURRENT, (A)

TOTAL VOLTAGE DROP

=

85C

= 25C

0

25

50

75

100

0

5

10

15

20

25

CONTINUOUS OUTPUT

CASE TEMPERATURE, (C)

1.5

2.0

2.5

3.0

3.5

0

20

40

60

80

100

DUTY CYCLE VS. ANALOG INPUT

ANALOG INPUT, (V)

A OUT

B OUT

0

10

20

30

40

50

4

8

12

16

20

24

VCC QUIESCENT CURRENT

SWITCHING FREQUENCY, F (kHz)

50% DUTY CYCLE

-40 -20

0

20 40 60 80 100

97

98

99

100

101

102

VCC QUIESCENT CURRENT

CASE TEMPERATURE, (C)

NORMAL or SHUTDOWN

OPERATION

0

20

40

60

80

100

1

2

3

4

5

VS QUIESCENT CURRENT

F = 22kHz,

50% DUTY CYCLE

0

10

20

30

40

50

0

2

4

6

8

VS QUIESCENT CURRENT vs. FREQUENCY

SWITCHING FREQUENCY, F (kHz)

50% DUTY CYCLE