参数资料
型号: ADP2121ACBZ-1.8-R7
厂商: Analog Devices Inc
文件页数: 6/20页
文件大小: 0K
描述: IC REG BUCK SYNC 1.8V .6A 6WLCSP
产品变化通告: 8mm Carrier Tape Changes 28/Feb/2012
标准包装: 1
类型: 降压(降压)
输出类型: 固定
输出数: 1
输出电压: 1.8V
输入电压: 2.3 V ~ 5.5 V
PWM 型: 电压模式
频率 - 开关: 6MHz
电流 - 输出: 600mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 6-WFBGA,WLCSP
包装: 标准包装
供应商设备封装: 6-WLCSP
其它名称: ADP2121ACBZ-1.8-R7DKR

ADP2121
V IN = 3.6 V, V OUT = 1.82 V, L = 0.47 μH (1800 mA, 1008, LQM2HPNR47MG0L), C IN = 2.2 μF (6.3 V, 0402, X5R, GRM155R60J225M),
C OUT = 4.7 μF (6.3 V, 0402, X5R, GRM155R60J475ME87D), EN = V IN , and T A = 25°C, unless otherwise noted.
100
100
90
80
AUTO MODE
90
80
70
70
I OUT = 300mA
60
50
V IN = 2.7V
V IN = 3.6V
60
50
I OUT = 100mA
I OUT = 10mA
40
30
V IN = 4.2V
V IN = 5.0V
PWM MODE
40
30
I OUT = 1mA
20
10
20
10
0
V OUT = 1.82V
0
V OUT = 1.82 V
0.1
1
10
100
1000
2.3
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
100
LOAD CURRENT (mA)
Figure 4. Efficiency vs. Load Current
93
INPUT VOLTAGE (V)
Figure 7. Efficiency vs. Input Voltage (Auto Mode)
90
80
70
60
50
40
30
AUTO MODE
90
87
84
81
I OUT = 100mA
20
10
0
0.1
PWM MODE
1
10
V OUT = 1.8V
V OUT = 1.82V
V OUT = 1.85V
V OUT = 1.875V
V OUT = 2.3V
100 1000
78
75
2.3
V OUT = 1.8V
V OUT = 1.82V
V OUT = 1.85V
V OUT = 1.875V
V OUT = 2.3V
2.7 3.1
3.5
3.9
4.3
4.7
5.1
5.5
LOAD CURRENT (mA)
Figure 5. Efficiency vs. Load Current for All Output Voltages
100
INPUT VOLTAGE (V)
Figure 8. Efficiency vs. Input Voltage for All Output Voltages (Auto Mode)
100
90
AUTO MODE
95
90
L = 0.47μH
1008
80
70
L = 0.47μH
1008
85
80
60
50
40
30
20
L = 0.47μH
0805
L = 0.45μH
0603
PWM MODE
V IN = 2.7V
V OUT = 1.82V
75
70
65
60
55
50
L = 0.47μH
0805
L = 0.45μH
0603
AUTO MODE
V IN = 2.7V
VOUT = 1.82V
0.1
1
10
100
1000
2.3
2.7
3.1
3.5 3.9 4.3
4.7
5.1
5.5
LOAD CURRENT (mA)
Figure 6. Efficiency vs. Load Current for Various Inductor Sizes
Rev. B | Page 6 of 20
INPUT VOLTAGE (V)
Figure 9. Efficiency vs. Input Voltage for Various Inductor Sizes
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