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ST732 Datasheet(PDF) 11 Page - STMicroelectronics

Part # ST732
Description  300 mA, 28 V low-dropout voltage regulator, with 5 μA quiescent current
PDF  21 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST732 Datasheet(HTML) 11 Page - STMicroelectronics

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Figure 14. Quiescent current vs. temperature (IOUT = 300 mA)
0
50
100
150
200
250
-60
-40
-20
0
20
40
60
80
100
120
140
Temperature [ºC]
Figure 15. Current limit vs. temperature
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
-60
-40
-20
0
20
40
60
80
100
120
140
Temperature [ºC]
VIN = 2.5 V, VOUT = 0 V
Figure 16. Short-circuit current vs. dropout voltage
0
100
200
300
400
500
600
0
5
10
15
20
25
30
Dropout voltage [V]
VIN = 2.5 V to 28 V, VOUT = 0 V
Figure 17. PSRR vs. frequency
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
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95
0.01
0.10
1.00
10.00
100.00
1,000.00
Frequency(kHz)
Iload=10mA
Iload=100mA
VIN = 6 V + VRipple, VOUT = 5 V, IOUT = 10 mA, 100 mA, CIN = 0.1 µF, COUT = 0.47 µF
Figure 18. Output noise spectrum
0.01
0.10
1.00
10.00
0.01
0.1
1
10
100
1000
Frequency: f [kHz]
VIN = 6 V, VOUT = 5 V, IOUT = 10 mA, CIN = 0.1 µF, COUT = 0.47 µF
Figure 19. Start-up transient
ST732
Typical performance characteristics
DS12561 - Rev 3
page 11/21



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