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ADP5020ACPZ-R7 数据表(PDF) 5 Page - Analog Devices

部件名 ADP5020ACPZ-R7
功能描述  Power Management Unit for Imaging Modules
PDF  28 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP5020ACPZ-R7 数据表(HTML) 5 Page - Analog Devices

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ADP5020
Rev. 0 | Page 5 of
28
SWITCHING SPECIFICATIONS
Table 2.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
SWITCHING FREQUENCY
CH1
fSW1
Sync disabled
2.5
3
3.6
MHz
CH2
fSW2
Sync disabled
2.5
3
3.6
MHz
SYNC CLOCK DIVIDER RATIO
RATIODIV
SYNC_9P6 = 1
3
RATIODIV
SYNC_19P2 = 1
6
SYNC CHARACTERISTICS
Frequency Range
fSYNC1
9.6
MHz
fSYNC2
19.2
MHz
Frequency Duty Cycle
fSYNCDUTY
40
50
60
%
Signal
DC Coupling Level
Low Level Input Voltage
VIL
0.3 × VDD_IO
V
High Level Input Voltage
VIH
0.7 × VDD_IO
V
DC Coupling
VSYNC
0
VDD_IO
V
AC Coupling Level
VCAC-PP
Sine wave, peak-to-peak
0.5
1.0
VDD_IO
V
AC Coupling Capacitor
10
nF
Input Current
ISYNC
SYNC_9P6 = 1, or SYNC_19P2 = 1
50
μA
DC-TO-DC CONVERSION SPECIFICATIONS, BUCK 1 REGULATOR
Table 3.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
OUTPUT VOLTAGE
Range1
VOUT1
3-bit range
2.5
3.7
V
Initial Accuracy
TA = 25°C, VDD12, VOUT1 = 3.3 V, ILOAD = 20 mA
−1
+1
%
Total Accuracy
VDD13, ILOAD = 50 mA to 600 mA
−5
+4
%
VOUT1 REGULATION
Load Regulation
ILOAD = 20 mA to 600 mA
0.2
%
Line Regulation
VDDA = 1.8 V, VDD12,3
0.15
%
CURRENT
Maximum Output Current
IBK1MAX
VDD13, VOUT1 = 2.5 V to 3.7 V
600
mA
Quiescent Current
IQBK1
ILOAD = 0 mA
4
6
mA
POWER
Low-Side Power nMOSFET
RDSON1
ID = 400 mA
175
250
mΩ
High-Side Power pMOSFET
RDSON1
ID = 400 mA
250
400
mΩ
SWITCH CURRENT LIMIT
ICL1
0.8
1.2
1.6
A
MINIMUM ON TIME
tMIN1
55
ns
MAXIMUM DUTY CYCLE
DMAX1
88
95
%
SOFT START TIME
tSS1
1.4
ms
COUT DISCHARGE SWITCH ON RESISTANCE
RDIS1
0.7
1
1.3
kΩ
1 See
(the BUCK1_VSEL register, Address 0x01) for details.
Table 13
2 VDD1 = 3.1 V to 5.5 V, ILOAD is less than 200 mA. For tight regulation, the supply voltage must be 0.6 V higher than the output voltage.
3 VDD1 = 3.7 V to 5.5 V, ILOAD is more than 200 mA. For tight regulation, the supply voltage must be 1.2 V higher than the output voltage.



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