参数资料
型号: ADP1871ARMZ-0.3-R7
厂商: Analog Devices Inc
文件页数: 7/44页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 10-MSOP
标准包装: 1
PWM 型: 电流模式
输出数: 1
频率 - 最大: 300kHz
占空比: 84%
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-TFSOP,10-MSOP(0.118",3.00mm 宽)
包装: 标准包装
其它名称: ADP1871ARMZ-0.3-R7DKR

Data Sheet
TYPICAL PERFORMANCE CHARACTERISTICS
100
95
100
95
ADP1870/ADP1871
90
85
80
75
70
65
60
55
V IN = 13V (PSM)
V IN = 16.5V
90
85
80
75
70
65
60
55
V IN = 13V (PSM)
V IN = 13V
50
45
40
V IN = 13V
50
45
40
V IN = 16.5V
35
30
25
20
15
10
5
0
V IN = 16.5V (PSM)
T A = 25°C
V OUT = 0.8V
f SW = 300kHz
WüRTH INDUCTOR:
744325072, L = 0.72μH, DCR = 1.3mΩ
INFINEON FETs:
BSC042N03MS G (UPPER/LOWER)
35
30
25
20
15
10
5
0
V IN = 16.5V
(PSM)
T A = 25°C
V OUT = 0.8V
f SW = 600kHz
WüRTH INDUCTOR:
744355147, L = 0.47μH, DCR = 0.67mΩ
INFINEON FETs:
BSC042N03MS G (UPPER/LOWER)
10
100
1k
10k
100k
10
100
1k
10k
100k
100
LOAD CURRENT (mA)
Figure 4. Efficiency—300 kHz, V OUT = 0.8 V
100
LOAD CURRENT (mA)
Figure 7. Efficiency—600 kHz, V OUT = 0.8 V
95
90
85
80
75
70
V IN = 5V (PSM)
95
90
85
80
75
70
V IN = 13V (PSM)
V IN = 13V
65
60
V IN = 13V (PSM)
V IN = 16.5V
65
60
55
50
45
V IN = 13V
55
50
45
V IN = 16.5V (PSM)
V IN = 16.5V
40 V IN = 16.5V (PSM)
40
35
30
25
20
15
10
5
0
T A = 25°C
V OUT = 1.8V
f SW = 300kHz
WüRTH INDUCTOR:
744325120, L = 1.2μH, DCR = 1.8mΩ
INFINEON FETs:
BSC042N03MS G (UPPER/LOWER)
35
30
25
20
15
10
5
0
T A = 25°C
V OUT = 1.8V
f SW = 600kHz
WüRTH INDUCTOR:
744325072, L = 0.72μH, DCR = 1.3mΩ
INFINEON FETs:
BSC042N03MS G (UPPER/LOWER)
10
100
1k
10k
100k
10
100
1k
10k
100k
LOAD CURRENT (mA)
Figure 5. Efficiency—300 kHz, V OUT = 1.8 V
LOAD CURRENT (mA)
Figure 8. Efficiency—600 kHz, V OUT = 1.8 V
100
95 V IN = 16.5V (PSM)
100
95
V IN = 13V (PSM)
90
85
80
90 V IN = 16.5V (PSM)
85
80
75 V IN = 13V (PSM)
70
65
V IN = 13V
75
70
65
60
60
V IN = 16.5V
55
50
45
V IN = 16.5V
55
50
45
V IN = 20V (PSM)
V IN = 20V
40
40
35
30
25
20
15
10
5
0
T A = 25°C
V OUT = 7V
f SW = 300kHz
WüRTH INDUCTOR:
7443551200, L = 2.0μH, DCR = 2.6mΩ
INFINEON FETs:
BSC042N03MS G (UPPER/LOWER)
35
30
25
20
15
10
5
0
T A = 25°C
V OUT = 5V
f SW = 600kHz
WüRTH INDUCTOR:
744318180, L = 1.4μH, DCR = 3.2mΩ
INFINEON FETs:
BSC042N03MS G (UPPER/LOWER)
10
100
1k
10k
100k
10
100
1k
10k
100k
LOAD CURRENT (mA)
Figure 6. Efficiency—300 kHz, V OUT = 7 V
Rev. B | Page 7 of 44
LOAD CURRENT (mA)
Figure 9. Efficiency—600 kHz, V OUT = 5 V
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