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ADP2311ACPZ-4-R7 Scheda tecnica(PDF) 8 Page - Analog Devices

Il numero della parte ADP2311ACPZ-4-R7
Spiegazioni elettronici  Dual 1 A, 18 V, Synchronous Step-Down Regulator with Fail-Safe Voltage Monitoring
PDF  20 Pages
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Produttore elettronici  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

ADP2311ACPZ-4-R7 Scheda tecnica(HTML) 8 Page - Analog Devices

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ADP2311
Data Sheet
Rev. B | Page 8 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, VIN = 12 V, VOUT = 3.3 V, L = 22 µH, COUT = 47 µF/X7R/6.3 V, fSW = 300 kHz, unless otherwise noted.
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
0
0.2
0.4
0.6
0.8
1.0
OUTPUT CURRENT (A)
INDUCTOR: XAL6060-223ME
VOUT = 1V
VOUT = 1.2V
VOUT = 1.5V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
VOUT = 5V
Figure 5. Efficiency vs. Output Current at VIN = 12 V
5
6
7
8
9
10
11
12
13
14
15
4
6
8
10
12
14
16
18
VIN (V)
TJ = –40°C
TJ = +25°C
TJ = +125°C
Figure 6. Shutdown Current vs. VIN
3.5
3.6
3.7
3.8
3.9
4.0
4.1
4.2
4.3
4.4
4.5
–40
–20
0
20
40
60
80
100
120
RISING
FALLING
TEMPERATURE (°C)
Figure 7. UVLO Threshold vs. Temperature
0
0.2
0.4
0.6
0.8
1.0
OUTPUT CURRENT (A)
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
INDUCTOR: XAL6060-103ME
VOUT = 1V
VOUT = 1.2V
VOUT = 1.5V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
Figure 8. Efficiency vs. Output Current at VIN = 5 V
1.00
1.05
1.10
1.15
1.20
1.25
1.30
4
6
8
10
12
14
16
18
VIN (V)
TJ = –40°C
TJ = +25°C
TJ = +125°C
Figure 9. Quiescent Current vs. VIN
1.00
1.05
1.10
1.15
1.20
1.25
1.30
–40
–20
0
20
40
60
80
100
120
TEMPERATURE (°C)
RISING
FALLING
Figure 10. Enable Threshold vs. Temperature



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