CALIFORNIA MICRO DEVICES

©2000 California Micro Devices Corp. All rights reserved.

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215 Topaz Street, Milpitas, California 95035

Tel: (408) 263-3214

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www.calmicro.com

CMPWR280

4

Fig 1.2. Vcc Load Regulation (pulse condition)

3.24

3.26

3.28

3.30

3.32

3.34

3.36

0

500

1000

1500

Load Current [mA]

Fig 1.3. Vsby Load Regul. (pulse condition)

3.24

3.26

3.28

3.30

3.32

3.34

3.36

0

100

200

300

400

500

Load Current [mA]

Typical DC Characteristics

Unless stated otherwise, all DC characteristics were measured at room temperature with a nominal V

volts and an output capacitance of 10µF.

Fig 1.1. V

is measured while forcing the deselect threshold to an artificial

low level for loads of 100mA, 500mA and 1.5A. At the

maximum rated load of 1.5A, a drop in line regulation occurs

when the V

load conditions (100mA), regulation is maintained as low

as 3.2V.

Fig 1.2. V

performance is shown up to and beyond the rated load. A

change in load from 10% to 100% of rated current (150mA

to 1500mA) results in an output voltage change of about

20mV. This translates into an effective output impedance of

less than 15mΩ.

Fig 1.3. V

performance is shown up to and beyond the rated load. A

change in load from 10% to 100% of rated (50mA to 500mA)

results in an output voltage change of about 20mV. This

translates into an effective output impedance of less than

50mΩ.

Fig 1.1. Line Regulation

3.05

3.10

3.15

3.20

3.25

3.30

3.35

3.3

3.6

3.9

4.2

4.5

4.8

Vcc [V]

100mA load

500mA load

1.5A load