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ADP2301AUJZ-R7 数据表(PDF) 7 Page - Analog Devices

部件名 ADP2301AUJZ-R7
功能描述  1.2 A, 20 V, 700 kHz/1.4 MHz, Nonsynchronous Step-Down Regulator
PDF  28 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP2301AUJZ-R7 数据表(HTML) 7 Page - Analog Devices

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Data Sheet
ADP2300/ADP2301
Rev. C | Page 7 of 28
40
50
60
70
80
90
100
0
0.2
0.4
0.6
0.8
1.0
1.2
IOUT (A)
VOUT = 1.8V
VOUT = 1.2V
VOUT = 0.8V
INDUCTOR: LPS6225-472MLC
DIODE: B230A
Figure 10. Efficiency Curve, VIN = 3.3 V with External 5.0 V Bootstrap Bias
Voltage, fSW = 1.4 MHz
40
50
60
70
80
90
100
0
0.2
0.4
0.6
0.8
1.0
1.2
VOUT = 1.8V
VOUT = 1.2V
VOUT = 0.8V
INDUCTOR: LPS6225-103MLC
DIODE: B230A
IOUT (A)
Figure 11. Efficiency Curve, VIN = 3.3 V with External 5.0 V Bootstrap Bias
Voltage, fSW = 700 kHz
–0.20
–0.15
–0.10
–0.05
0
0.05
0.10
0.15
0.20
0.2
0
0.4
0.6
0.8
1.0
1.2
FSW = 1.4MHz
FSW = 700kHz
IOUT (A)
Figure 12. Load Regulation, VOUT = 3.3 V, VIN = 12 V
–0.20
–0.15
–0.10
–0.05
0
0.05
0.10
0.15
0.20
5
8
11
14
17
20
fSW = 1.4MHz
fSW = 700kHz
VIN (V)
Figure 13. Line Regulation, VOUT = 3.3 V, IOUT = 500 mA
400
600
800
1000
1200
1400
1600
–50
–20
10
40
70
100
130
TEMPERATURE (°C)
fSW = 1.4MHz
fSW = 700kHz
Figure 14. Frequency vs. Temperature
400
600
800
1000
1200
1400
1600
fSW = 1.4MHz
fSW = 700kHz
2
5
8
11
14
17
20
VIN (V)
Figure 15. Frequency vs. VIN



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