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ADP2120ACPZ-1.2-R7 数据表(PDF) 8 Page - Analog Devices

部件名 ADP2120ACPZ-1.2-R7
功能描述  2 A/1.25 A, 1.2 MHz, Synchronous, Step-Down DC-to-DC Regulators
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

ADP2120ACPZ-1.2-R7 数据表(HTML) 8 Page - Analog Devices

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ADP2119/ADP2120
Rev. 0 | Page 8 of 24
100
0
10
20
30
40
50
60
70
80
90
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
OUTPUT CURRENT (A)
VOUT = 1.0V
VOUT = 1.2V
VOUT = 1.5V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
INDUCTOR SUMIDA
CDRH5D18BHPNP-1R5M
Figure 10. Efficiency (ADP2120, VIN = 5 V, FPWM) vs. Output Current
900
850
800
750
700
650
600
550
500
450
400
2.3
5.5
5.1
4.7
4.3
3.9
3.5
3.1
2.7
VIN (V)
TJ = +125°C
TJ = +25°C
TJ = –40°C
Figure 11. Quiescent Current vs. VIN (Switching)
275
250
225
200
175
150
125
100
75
50
2.3
5.5
5.1
4.7
4.3
3.9
3.5
3.1
2.7
VIN (V)
TJ = +125°C
TJ = +25°C
TJ = –40°C
Figure 12. PFET Resistor vs. VIN (Pin-to-Pin Measurements)
100
0
10
20
30
40
50
60
70
80
90
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
OUTPUT CURRENT (A)
VOUT = 1.0V
VOUT = 1.2V
VOUT = 1.5V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
INDUCTOR SUMIDA
CDRH5D18BHPNP-1R5M
Figure 13. Efficiency (ADP2120, VIN = 5 V, PFM) vs. Output Current
605
604
603
602
601
600
599
598
597
596
595
594
–40
120
100
80
60
40
20
0
–20
TEMPERATURE (°C)
Figure 14. Feedback Voltage vs. Temperature (VIN = 3.3 V)
120
110
100
90
80
70
60
50
40
30
2.3
5.5
5.1
4.7
4.3
3.9
3.5
3.1
2.7
VIN (V)
TJ = +125°C
TJ = +25°C
TJ = –40°C
Figure 15. NFET Resistor vs. VIN (Pin-to-Pin Measurements)



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