参数资料
型号: ADP5020CP-EVALZ
厂商: Analog Devices Inc
文件页数: 6/28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
DC-TO-DC CONVERSION SPECIFICATIONS, BUCK 2 REGULATOR
Table 4.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
OUTPUT VOLTAGE
Adjustable Range 1
Initial Accuracy
Total Accuracy
Load Regulation
Line Regulation
V OUT2
4-bit range
T A = 25°C, V DD2 = 3.6 V, V OUT2 = 1.2 V, I LOAD = 20 mA
V DD2 = 2.5 V to 5 V, I LOAD = 10 mA to 250 mA
I LOAD = 10 mA to 250 mA
V DDA = 1.8 V, V DD2 = 2.5 V to 5 V
1.1
?1
?5
0.2
0.15
1.8
+1
+4
V
%
%
%
%
CURRENT
Maximum Output Current
I BK2MAX
250
mA
Quiescent Current
I QBK2
I LOAD = 0 mA
4
6.5
mA
POWER
Low-Side Power nMOSFET
High-Side Power pMOSFET
SWITCH CURRENT LIMIT
MINIMUM ON TIME
MAXIMUM DUTY CYCLE
SOFT START TIME
C OUT DISCHARGE SWITCH ON RESISTANCE
R DSON2
R DSON2
I CL2
t MIN2
D MAX2
t SS2
R DIS2
I D = 200 mA
I D = 200 mA
360
0.7
240
300
630
55
87.5
900
1
330
450
850
90
1.3
mA
ns
%
μs
1
See Table 14 (the BUCK2_LDO_VSEL register, Address 0x02) for details.
VOUT3 SPECIFICATIONS, LOW DROPOUT (LDO) REGULATOR
Table 5.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
OUTPUT VOLTAGE
Adjustable Range 1
Initial Accuracy
Total Accuracy
Load Regulation
Line Regulation
V OUT3
100 mV step, 4-bit range
T A = 25 ° C, V DD3 = 3.6 V, V OUT3 = 1.8 V, I LOAD = 10 mA
V DD3 = 2.5 V to 5 V, I LOAD = 0 mA to 150 mA
I LOAD = 10 mA to 100 mA
I LOAD = 100 mA 2
1.8
?1.5
?5
0.45
0.15
3.3
+1.5
+4
0.75
0.30
V
%
%
%
%
CURRENT
Maximum Output Current
I LDOMAX
150
mA
Dropout Voltage
Quiescent Current
Short-Circuit Current Limit
V LDODROP
I Q
At 100 mA, V OUT3 = 3.3 V
I LOAD = 0 mA
200
70
45
400
100
85
600
mV
μA
mA
Power Supply Rejection Ratio
PSRR
f = 1 kHz, V DD3 = 5 V, V OUT3 = 3.3 V, I LOAD = 50 mA
f = 10 kHz, V DD3 = 5 V, V OUT3 = 3.3 V, I LOAD = 50 mA
47
44
dB
dB
SOFT START TIME
t SS2
70
μs
C OUT DISCHARGE SWITCH ON RESISTANCE
R DIS8
0.7
1
1.3
1
2
See Table 14 (the BUCK_LDO_VSEL register, Address 0x02) for details.
V DD3 > V OUT3 + L DODROP .
Rev. 0 | Page 6 of 28
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