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ST1L05CPU33R Datasheet(PDF) 15 Page - STMicroelectronics

Part # ST1L05CPU33R
Description  Very low quiescent current BiCMOS voltage regulator
PDF  30 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST1L05CPU33R Datasheet(HTML) 15 Page - STMicroelectronics

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DocID14492 Rev 3
15/30
ST1L05
Typical characteristics
30
Figure 12. Dropout voltage vs temperature
Figure 13. ESR required for stability with
ceramic capacitors
Figure 14. Quiescent current vs temperature
Figure 15. Quiescent current vs output current
Figure 16. Enable voltage vs temperature
VI =3 V
Figure 17. Enable voltage vs temperature
VI =5.25 V
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
-30-5
20
4570
95
120
145
T [°C]
I
O = 800 mA
I
O = 1 A
I
O = 1.3 A
C
I = CO = 4.7 µF, VO @ 3.3 V
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
-30-5
20
4570
95
120
145
T [°C]
I
O = 800 mA
I
O = 1 A
I
O = 1.3 A
C
I = CO = 4.7 µF, VO @ 3.3 V
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0
2
4
6
8
10
12
14
16
18
20
22
C
O [µF] (nominal value)
C
I = 4.7 µF, VEN = VI = from 3 V to 5.5 V, IO = from 5 mA to 1.3 A
Stable zone
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0
2
4
6
8
10
12
14
16
18
20
22
C
O [µF] (nominal value)
C
I = 4.7 µF, VEN = VI = from 3 V to 5.5 V, IO = from 5 mA to 1.3 A
Stable zone
0
100
200
300
400
500
600
700
-30
-5
2045
7095
120
145
T [°C]
V
EN = VI = 5 V, IO = 1.3 A, CI = CO = 4.7 µF
0
100
200
300
400
500
600
700
-30
-5
2045
7095
120
145
T [°C]
V
EN = VI = 5 V, IO = 1.3 A, CI = CO = 4.7 µF
0
50
100
150
200
250
300
350
400
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
1.1 1.2 1.3
I O [A]
V
EN = VI = 5.5 V, CI = CO = 4.7 µF
0
50
100
150
200
250
300
350
400
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
1.1 1.2 1.3
I O [A]
V
EN = VI = 5.5 V, CI = CO = 4.7 µF
0
0.5
1
1.5
2
2.5
-30
-5
20
45
70
95
120
145
T [°C]
ON
OFF
V
I = 3 V, IO = 50 mA, CI = CO = 4.7 µF
0
0.5
1
1.5
2
2.5
-30
-5
20
45
70
95
120
145
T [°C]
ON
OFF
V
I = 3 V, IO = 50 mA, CI = CO = 4.7 µF
0
0.5
1
1.5
2
2.5
-30
-5
20457095
120
145
T [°C]
ON
OFF
VI = 5.25 V, IO = 50 mA, CI = CO = 4.7 µF
0
0.5
1
1.5
2
2.5
-30
-5
20457095
120
145
T [°C]
ON
OFF
VI = 5.25 V, IO = 50 mA, CI = CO = 4.7 µF



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