参数资料
型号: ADP1871ACPZ-1.0-R7
厂商: Analog Devices Inc
文件页数: 8/44页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 10LFCSP
标准包装: 1
PWM 型: 电流模式
输出数: 1
频率 - 最大: 1MHz
占空比: 45%
电源电压: 2.95 V ~ 20 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 10-WFDFN 裸露焊盘,CSP
包装: 标准包装
其它名称: ADP1871ACPZ-1.0-R7DKR
ADP1870/ADP1871
100
0.807
Data Sheet
95
90
85
80
75
70
65
60
55
50
45
40
V IN = 13V (PSM)
V IN = 13V
V IN = 16.5V
0.806
0.805
0.804
0.803
0.802
0.801
0.800
0.799
0.798
V IN = 16.5V (PSM)
35
30
25
20
15
10
5
0
10 100
T A = 25°C
V OUT = 0.8V
f SW = 1.0MHz
WüRTH INDUCTOR:
744303012, L = 0.12μH, DCR = 0.33m ?
INFINEON FETs:
BSC042N03MS G (UPPER/LOWER)
1k 10k 100k
0.797
0.796
0.795
0.794
0.793
0.792
0
V IN = 13V
+125°C
+25°C
–40°C
2000
V IN = 16.5V
+125°C
+25°C
–40°C
4000 6000
8000
10,000
100
LOAD CURRENT (mA)
Figure 10. Efficiency—1.0 MHz, V OUT = 0.8 V
LOAD CURRENT (mA)
Figure 13. Output Voltage Accuracy—300 kHz, V OUT = 0.8 V
1.821
95
90
85
80
75
70
65
60
55
50
V IN = 13V (PSM)
V IN = 13V
1.816
1.811
1.806
45
40 V IN = 16.5V (PSM)
35
30
25
20
15
10
5
0
10 100
V IN = 16.5V
T A = 25°C
V OUT = 1.8V
f SW = 1.0MHz
WüRTH INDUCTOR:
744303022, L = 0.22μH, DCR = 0.33m ?
INFINEON FETs:
BSC042N03MS G (UPPER/LOWER)
1k 10k 100k
1.801
1.796
1.791
1.786
0
1500
V IN = 5.5V
+125°C
+25°C
–40°C
3000 4500
V IN = 13V V IN = 16.5V
+125°C +125°C
+25°C +25°C
–40°C –40°C
6000 7500 9000 10,500 12,000 13,500 15,000
100
95
90
LOAD CURRENT (mA)
Figure 11. Efficiency—1.0 MHz, V OUT = 1.8 V
LOAD CURRENT (mA)
Figure 14. Output Voltage Accuracy—300 kHz, V OUT = 1.8 V
7.100
7.095
7.090
85
80
75
70
65
60
V IN = 13V (PSM)
7.085
7.080
7.075
7.070
7.065
7.060
55
50
45
40
V IN = 16.5V (PSM)
V IN = 13V
V IN = 16.5V
7.055
7.050
7.045
7.040
35
30
25
20
15
10
5
0
10
100
T A = 25°C
V OUT = 5V
f SW = 1.0MHz
WüRTH INDUCTOR:
744355090, L = 0.9μH, DCR = 1.6m ?
INFINEON FETs:
BSC042N03MS G (UPPER/LOWER)
1k 10k
100k
7.035
7.030
7.025
7.020
7.015
7.010
7.005
7.000
0
+125°C
+25°C
–40°C
1000 2000
3000
V IN = 13V
V IN = 16.5V
4000 5000
6000
7000
8000
9000
LOAD CURRENT (mA)
Figure 12. Efficiency—1.0 MHz, V OUT = 5 V
Rev. B | Page 8 of 44
LOAD CURRENT (mA)
Figure 15. Output Voltage Accuracy—300 kHz, V OUT = 7 V
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