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ADP2118ACPZ-3.3-R7 数据表(PDF) 8 Page - Analog Devices

部件名 ADP2118ACPZ-3.3-R7
功能描述  3 A, 1.2 MHz/600 kHz High Efficiency Synchronous Step-Down DC-to-DC Converter
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

ADP2118ACPZ-3.3-R7 数据表(HTML) 8 Page - Analog Devices

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ADP2118
Rev. 0 | Page 8 of 24
0
10
20
30
40
50
60
70
80
90
100
0
0.5
1.0
1.5
2.0
2.5
3.0
OUTPUT CURRENT(A)
VOUT = 1.0V
VOUT = 1.2V
VOUT = 1.5V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
INDUCTOR SUMIDA
CDRH105R2R2NC
Figure 10. Efficiency (600 kHz, VIN = 5 V, FPWM) vs. Output Current
80
85
90
95
100
105
110
115
120
2.3
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
VIN (V)
TJ = –40°C
TJ = +25°C
TJ = +125°C
Figure 11. Quiescent Current vs. VIN (No Switching)
40
50
60
70
80
90
100
110
120
130
2.3
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
TJ = –40°C
TJ = +25°C
TJ = +125°C
VIN (V)
Figure 12. PFET Resistor vs. VIN (Pin-to-Pin Measurements)
0
10
20
30
40
50
60
70
80
90
100
0
0.5
1.0
1.5
2.0
2.5
3.0
OUTPUT CURRENT (A)
INDUCTOR SUMIDA
CDRH105R2R2NC
VOUT = 1.0V
VOUT = 1.2V
VOUT = 1.5V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
Figure 13. Efficiency (600 kHz, VIN = 5 V, PFM) vs. Output Current
594
595
596
597
598
599
600
601
602
603
604
605
606
–40
–20
0
20
40
60
80
100
120
TEMPERATURE (°C)
Figure 14. Feedback Voltage vs. Temperature (VIN = 3.3 V)
10
20
30
40
50
60
70
80
2.3
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
VIN (V)
TJ = –40°C
TJ = +25°C
TJ = +125°C
Figure 15. NFET Resistor vs. VIN (Pin-to-Pin Measurements)



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