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ADP1882ARMZ-1.0-R7 データシート(PDF) 12 Page - Analog Devices

部品番号 ADP1882ARMZ-1.0-R7
部品情報  Synchronous Current-Mode with Constant On-Time,PWM Buck Controller
PDF  40 Pages
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メーカー  AD [Analog Devices]
ホームページ  http://www.analog.com
Logo AD - Analog Devices

ADP1882ARMZ-1.0-R7 データシート(HTML) 12 Page - Analog Devices

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ADP1882/ADP1883
Rev. 0 | Page 12 of 40
900
950
1000
1050
1100
1150
1200
1250
1300
1350
0
0.8k
1.6k
2.4k
3.2k
4.0k
4.8k
5.6k
6.4k
7.2k
8.0k
LOAD CURRENT (mA)
40
42
44
46
48
50
52
54
56
58
60
62
64
66
68
70
72
74
76
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80
82
84
3.6
4.8
6.0
7.2
8.4
9.6
10.8 12.0 13.2 14.4 15.6
VIN (V)
VIN = 16.5V
+125°C
+25°C
–40°C
+125°C
+25°C
–40°C
VIN = 13V
Figure 34. Frequency vs. Load Current, 1.0 MHz, VOUT = 4 V
2.649
2.650
–40
120
100
80
60
40
20
0
–20
2.658
2.657
2.656
2.655
2.654
2.653
2.652
2.651
TEMPERATURE (°C)
Figure 35. UVLO vs. Temperature
40
45
300
400
500
600
700
800
900
1000
FREQUENCY (kHz)
50
55
60
65
70
75
80
85
90
95
100
VDD =2.7V
VDD =5.5V
VDD =3.6V
+125°C
+25°C
–40°C
Figure 36. Maximum Duty Cycle vs. Frequency
VDD = 5.5V
VDD = 3.6V
+125°C
+25°C
–40°C
180
680
630
580
530
480
430
380
330
280
230
–40
120
100
80
60
40
20
0
–20
TEMPERATURE (°C)
Figure 37. Maximum Duty Cycle vs. High Voltage Input (VIN)
VREG = 2.7V
VREG = 5.5V
VREG = 3.6V
Figure 38. Minimum Off Time vs. Temperature
180
680
630
580
530
480
430
380
330
280
230
2.7
5.5
5.1
4.7
4.3
3.9
3.5
3.1
VREG (V)
+125°C
+25°C
–40°C
Figure 39. Minimum Off Time vs. VDD (Low Input Voltage)



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