参数资料
型号: ADP5020CP-EVALZ
厂商: Analog Devices Inc
文件页数: 10/28页
文件大小: 0K
描述: BOARD EVAL PMU IMAGING ADP5020
设计资源: Powering AD9272 with ADP5020 Switching Regulator PMU for Increased Efficiency (CN0135)
标准包装: 1
主要目的: DC/DC,LDO 步降
输出及类型: 3,非隔离
输出电压: 3.3V,1.2V,1.8V
电流 - 输出: 600mA,250mA,150mA
输入电压: 2.4 ~ 5.5 V
稳压器拓扑结构: 降压
频率 - 开关: 3MHz
板类型: 完全填充
已供物品: 2 板,CD
已用 IC / 零件: ADP5020

ADP5020
TYPICAL PERFORMANCE CHARACTERISTICS
V IN = 4.5 V, V OUT1 = 2.8 V, V OUT2 = V OUT3 = 1.8 V, I OUT = 100 mA, C 4 = C 1 = 10 μF, C 2 = 4.7 μF, C 3 = 1 μF, T J = 25°C, unless otherwise noted.
3.5
3.3V
95
3.0
2.5
3.0V
2.8V
2.5V
90
85
2.0
1.5
2.0V
1.8V
80
75
V OUT1 (2.5V)
V OUT2 (2.8V)
V OUT3 (2.9V)
V OUT4 (3.0V)
V OUT5 (3.2V)
V OUT6 (3.3V)
V OUT7 (3.7V)
1.0
0
30
60 90
120
150
70
0
100
200 300 400
500
600
3.8
LDO
I LOAD
LOAD CURRENT (mA)
Figure 6. LDO Load Regulation
LDO OUTPUT = 20mV/DIV
I LOAD = 100mA/DIV
TIME = 100μs/DIV
Figure 7. LDO Load Transient
1.9
LOAD CURRENT (mA)
Figure 9. Buck 1, Efficiency vs. Load Current
BUCK 1 OUTPUT = 100mV/DIV
I LOAD = 100mA/DIV
TIME = 100μs/DIV
B UCK      1
I LOAD
Figure 10. Buck 1 Load Transient Response
3.6
V OUT7 (3.7V)
1.8
V OUT8 (1.8V )
3.4
3.2
3.0
2.8
2.6
2.4
2.2
V OUT6 (3.3V)
V OUT4 (3.0V)
V OUT2 (2.8V)
V OUT1 (2.5V)
V OUT5 (3.2V)
V OUT3 (2.9V)
1.7
1.6
1.5
1.4
1.3
1.2
1.1
V OUT7 (1.7V )
V OUT6 (1.6V )
V OUT5 (1.5V )
V OUT4 (1.4V )
V OUT3 (1.3V )
V OUT2 (1.2V )
V OUT1 (1.1V )
0
0
100
200 300 400
500
600
0
0
50
100 150 200
250
300
LOAD CURRENT (mA)
Figure 8. Buck 1 Load Regulation
Rev. 0 | Page 10 of 28
LOAD CURRENT (mA)
Figure 11. Buck 2 Load Regulation
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