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2003 California Micro Devices Corp. All rights reserved. 02/21/03
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
L Tel: 408.263.3214 L Fax: 408.263.7846 L www.calmicro.com
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2
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
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02/21/03
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2003 California Micro Devices Corp. All rights reserved. 02/21/03
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
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2003 California Micro Devices Corp. All rights reserved.
4
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
L Tel: 408.263.3214 L Fax: 408.263.7846 L www.calmicro.com
02/21/03
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2003 California Micro Devices Corp. All rights reserved. 02/21/03
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
L Tel: 408.263.3214 L Fax: 408.263.7846 L www.calmicro.com
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1.248 1.236
OUTPUT VOLTAGE [V] OUTPUT VOLTAGE [V]
9 ,/2$' P$ QR &287
Line Regulation (1% and 100% rated load)
1.248 1.236 1.224 1.212 1.200 1.188 1.176 1.164 1.152 150mA Load 1mA Load
Load Regulation
1.224 1.212 1.200 1.188 1.176 1.164 1.152 0 100 200 300 400
LOAD CURRENT [mA]
1.0
2.0
3.0
4.0
5.0
6.0
INPUT VOLTAGE [V]
Load Regulation (Close-up)
0 -1
DELTA VOUT [mV]
Line Regulation (Close-up)
2.5 2.0 1.5 1.0 0.5 0.0
-2 -3 -4 -5 0 50 100 150
LOAD CURRENT [mA]
DELTA VOUT [mV]
1mA Load
2.0
3.0
4.0
5.0
6.0
INPUT VOLTAGE [V]
Foldback Current Limiting
1.4
OUTPUT VOLTAGE [V]
OOUTPUT VOLTAGE [V]
Line Regulation
1.40 1.20 1.00 0.80 0.60 0.40 0.20 0.00 1mA Load
1.2 1.0 0.8 0.6 0.4 0.2 0.0 0 100 200 300 400
LOAD CURRENT [mA]
2003 California Micro Devices Corp. All rights reserved.
0
1
INPUT VOLTAGE [V]
2
3
4
5
6
6
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
L Tel: 408.263.3214 L Fax: 408.263.7846 L www.calmicro.com
02/21/03
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Ground Current Vs. Supply Voltage
120
GROUND CURRENT [uA]
Ground Current Vs. Load Current
150
GROUND CURRENT [uA]
En = Vin
100 80 60 40 20 0 0 1
INPUT VOLTAGE [V]
125 100 75 50 25 0
1mA Load
2
3
4
5
6
0
LOAD CURRENT [mA]
50
100
150
Enable Threshold Vs. Supply Voltage
0.8 0.7
POWER GOOD [V]
Power Good Voltage Vs. Pull-Up Resistor
3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 Power Fail
THRESHOLD [V]
0.6 0.5 0.4 0.3 0.2 0.1 0.0 2 3 4 5 SUPPLY VOLTAGE [V] 6
1
10
PULL-UP RESISTOR [ ]
100
1000
10000
2003 California Micro Devices Corp. All rights reserved. 02/21/03
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
L Tel: 408.263.3214 L Fax: 408.263.7846 L www.calmicro.com
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Load transient Step Response
Load transient Step Response
Load transient Step Response
Load transient Step Response
Load transient Step Response
Load transient Step Response
2003 California Micro Devices Corp. All rights reserved.
8
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
L Tel: 408.263.3214 L Fax: 408.263.7846 L www.calmicro.com
02/21/03
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Line Transient Step Response
Line Transient Step Response
Line Transient Step Response
Cold Start & Power Down
Enable Response
Vout Enable Response
2003 California Micro Devices Corp. All rights reserved. 02/21/03
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
L Tel: 408.263.3214 L Fax: 408.263.7846 L www.calmicro.com
9
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Power Supply Ripple Rejection
(No Cout, Vin=5V)
90
20mA 50mA
Power Supply Ripple Rejection
(Cout=1uF, Vin=5V)
90
20mA 50mA
80 150mA 70 1mA
80 150mA 70 1mA
60
PSRR [dB] PSRR [dB]
60
50
50
40
40
30
30
20
20
10
No Cout, Vin = 5V
10
Cout=1uF, Vin=5V
0 10 100 1000 Frequency [Hz] 10000 100000
0 10 100 1000 Frequency [Hz] 10000 100000
Power Supply Ripple Rejection
(No Cout, Vin=3.3V)
80 80 1mA
20mA 50mA
Power Supply Ripple Rejection
(Cout=1uF, Vin=3.3V)
1mA
20mA
70
70 150mA 60
50mA
150mA 60
50
PSRR [dB] PSRR [dB]
50
40
40
30
30
20
20
10 No Cout, Vin = 3.3V 0 10 100 1000 Frequency [Hz] 10000 100000
10 Cout=1uF, Vin=3.3V 0 10 100 1000 Frequency [Hz] 10000 100000
Output Noise (No Cout)
1.E-05
1 mA
Output Noise (1uF Cout)
1.E-05
1 mA
En[uV/rootHz]
En[uV/rootHz]
150 mA
150 mA
N o C out
1.E-06 10 100 1000 Frequency [Hz]
2003 California Micro Devices Corp. All rights reserved.
Cout=1uf
1.E-06
10000 100000
10
100
1000 Frequency [Hz]
10000
100000
10
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
L Tel: 408.263.3214 L Fax: 408.263.7846 L www.calmicro.com
02/21/03
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VOUT Over Temperature
50 40
OUTPUT CHANGE [mV] OUTPUT CHANGE [mV]
VOUT Over Temperature
50 40 30 20 10 0 -10 -20 -30 -40 -50 -50 -25 0 25 50 75 100 125 150
30 20 10 0 -10 -20 -30 -40 -50 0 25 50 75 100 125
TEMPERATURE [oC]
TEMPERATURE [oC]
Ground Current Over Temperature
200
GROUND CURRENT [uA]
Time Delay Over Temperature
10 8
Time Delay [ms]
150
6 4 2 0
100
50
0 -50 -25 0 25 50 75 100 125 150
TEMPERATURE [oC]
25
50
75
100
125
TEMPERATURE [oC]
2003 California Micro Devices Corp. All rights reserved. 02/21/03
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
L Tel: 408.263.3214 L Fax: 408.263.7846 L www.calmicro.com
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2003 California Micro Devices Corp. All rights reserved.
12
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
L Tel: 408.263.3214 L Fax: 408.263.7846 L www.calmicro.com
02/21/03
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2003 California Micro Devices Corp. All rights reserved. 02/21/03
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
L Tel: 408.263.3214 L Fax: 408.263.7846 L www.calmicro.com
13
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2003 California Micro Devices Corp. All rights reserved.
14
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
L Tel: 408.263.3214 L Fax: 408.263.7846 L www.calmicro.com
02/21/03

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