Digital Camera Step-Up Slave

DC-DC Controller

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5

0

20

60

40

80

100

0.4

0.6

0.5

0.7

0.8

0.9

1.0

1.1

1.2

0

20

60

40

80

100

0

400

200

600

800

1000

DEFAULT MAXIMUM DUTY CYCLE

vs. FREQUENCY

FREQUENCY (kHz)

0

2

6

4

8

10

2.5

3.5

3.0

4.0

4.5

5.0

5.5

SLEEP-MODE CURRENT

vs. INPUT VOLTAGE

INPUT VOLTAGE (V)

10

0.001

0

0.5

1.0

1.5

SHUTDOWN CURRENT

vs. REFERENCE VOLTAGE

0.01

0.1

1

REFERENCE VOLTAGE (V)

3.20

3.30

3.25

3.35

3.40

-40

0

-20

20

40

60

80

REFERENCE INPUT CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

60

0

1

100

1000

10

10,000

FB TO COMP SMALL-SIGNAL OPEN-LOOP

FREQUENCY RESPONSE

FREQUENCY (kHz)

10

20

30

40

50

Typical Operating Characteristics (continued)