ADP5020 Analog Devices, ADP5020 Datasheet - Page 6

• Manufacturer Part Number: ADP5020
• Description: Power Management Unit for Imaging Modules
• Manufacturer: Analog Devices

ADP5020
DC-TO-DC CONVERSION SPECIFICATIONS, BUCK 2 REGULATOR
Table 4.
Parameter
OUTPUT VOLTAGE
CURRENT
POWER
SWITCH CURRENT LIMIT
MINIMUM ON TIME
MAXIMUM DUTY CYCLE
SOFT START TIME
C
1
VOUT3 SPECIFICATIONS, LOW DROPOUT (LDO) REGULATOR
Table 5.
Parameter
OUTPUT VOLTAGE
CURRENT
Power Supply Rejection Ratio
SOFT START TIME
C
1
2
See
See
V
OUT
OUT
DD3
Adjustable Range
Initial Accuracy
Total Accuracy
Load Regulation
Line Regulation
Maximum Output Current
Quiescent Current
Low-Side Power nMOSFET
High-Side Power pMOSFET
Adjustable Range
Initial Accuracy
Total Accuracy
Load Regulation
Line Regulation
Maximum Output Current
Dropout Voltage
Quiescent Current
Short-Circuit Current Limit
DISCHARGE SWITCH ON RESISTANCE
Table 14
DISCHARGE SWITCH ON RESISTANCE
Table 14
> V
OUT3
+ L
(the BUCK2_LDO_VSEL register, Address 0x02) for details.
(the BUCK_LDO_VSEL register, Address 0x02) for details.
DODROP
.
1
1
Symbol
V
I
I
R
R
I
t
D
t
R
Symbol
V
I
V
I
PSRR
t
R
BK2MAX
QBK2
CL2
LDOMAX
Q
MIN2
SS2
SS2
DIS8
OUT2
DSON2
DSON2
DIS2
OUT3
LDODROP
MAX2
Conditions
4-bit range
T
V
I
V
I
I
I
Conditions
100 mV step, 4-bit range
T
V
I
I
At 100 mA, V
I
f = 1 kHz, V
f = 10 kHz, V
LOAD
LOAD
D
D
LOAD
LOAD
LOAD
A
A
DD3
DD2
DDA
= 200 mA
= 200 mA
= 25°C, V
= 25°C, V
= 2.5 V to 5 V, I
= 2.5 V to 5 V, I
= 10 mA to 100 mA
= 100 mA
= 0 mA
= 10 mA to 250 mA
= 1.8 V, V
= 0 mA
Rev. 0 | Page 6 of 28
DD3
DD2
DD3
DD3
OUT3
= 5 V, V
DD2
2
= 5 V, V
= 3.6 V, V
= 3.6 V, V
= 3.3 V
= 2.5 V to 5 V
LOAD
LOAD
OUT3
OUT3
= 0 mA to 150 mA
= 10 mA to 250 mA
OUT3
OUT2
= 3.3 V, I
= 3.3 V, I
= 1.8 V, I
= 1.2 V, I
LOAD
LOAD
LOAD
LOAD
= 50 mA
= 50 mA
= 10 mA
= 20 mA
Min
1.8
−1.5
−5
200
0.7
Min
1.1
−1
−5
360
0.7
Typ
0.2
0.15
4
240
300
630
55
87.5
900
1
Typ
0.45
0.15
70
45
400
47
44
70
1
250
850
1.3
Max
3.3
+1.5
+4
0.75
0.30
150
100
85
600
1.3
Max
1.8
+1
+4
6.5
330
450
90
Unit
V
%
%
%
%
mA
mV
μA
mA
dB
dB
μs
kΩ
Unit
V
%
%
%
%
mA
mA
mΩ
mΩ
mA
ns
%
μs
kΩ