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ADP1821ARQZ-R7 数据表(PDF) 7 Page - Analog Devices

部件名 ADP1821ARQZ-R7
功能描述  Step-Down DC-to-DC Controller
PDF  24 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP1821ARQZ-R7 数据表(HTML) 7 Page - Analog Devices

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ADP1821
Rev. B | Page 7 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
97
87
0
16
LOAD CURRENT (A)
96
95
94
93
92
91
90
89
88
2
4
6
8
10
12
14
1.8V OUTPUT
3.3V OUTPUT
TA = 25°C
FREQUENCY = 300kHz
Figure 5. Efficiency vs. Load Current, VIN = 5 V, VOUT = 3.3 V, 1.8 V
94
80
0
16
LOAD CURRENT (A)
92
90
88
86
84
82
2
4
6
8
10
12
14
1.8V OUTPUT
3.3V OUTPUT
TA = 25°C
FREQUENCY = 300kHz
Figure 6. Efficiency vs. Load Current, VIN = 12 V, VOUT = 3.3 V, 1.8 V
1400
0
0
6
VCC VOLTAGE (V)
1200
1000
800
600
400
200
123
45
Figure 7. VCC Supply Current vs. VCC Voltage
0.6003
0.5996
–50
110
TEMPERATURE (°C)
0.6002
0.6001
0.6000
0.5999
0.5998
0.5997
–30
–10
10
30
50
70
90
Figure 8. FB Regulation Voltage vs. Temperature
700
0
–50
100
TEMPERATURE (°C)
600
500
400
300
200
100
050
300kHz
600kHz
Figure 9. Switching Frequency vs. Temperature
OUTPUT VOLTAGE
(20mV/DIV)
LOAD CURRENT
(5A/DIV)
Figure 10. Load Transient Response, 1.5 A to 15 A



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