CALIFORNIA MICRO DEVICES
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Preliminary
CM3019
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Power Supply Ripple Rejection and Noise (nominal conditions unless specified otherwise)
Nominal Conditions: C
IN
= 1µF, V
IN
= 4.0V, PSRR measured with 50mV pk-pk sin wave on V
IN
.
(all plots measured with 3.0V V
OUT
)
Pow er Supply Ripple Reje ction [dB]
Power Supply Ripple Rejection [dB]
90
90
100uA Load
80
70
100mA Load
60
PSRR[dB]
50
500mA Load
40
30
20
10
0
10
100
1000
Fre que ncy [Hz]
10000
100000
Cout=10uF, Cbyp=100nF
PSRR [dB]
5mA Load
80
70
5mA Load
100uA Load
100mA Load
60
50
40
30
20
10
0
10
100
1000
Frequency [Hz]
10000
100000
500mA Load
Cout=2.2uF, Cbyp=100nF
© 2004 California Micro Devices Corp. All rights reserved
02/20/04
430 N. McCarthy Blvd, Milpitas, California 95035
Tel: (408) 263-3214
Fax: (408) 263-7846
www.calmicro.com
6
CALMIRCO [ CALIFORNIA MICRO DEVICES CORP ]
