ADP5034 Analog Devices, ADP5034 Datasheet - Page 13
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ADP5034
Manufacturer Part Number
ADP5034
Description
Dual 3 MHz, 1200mA Buck Regulator with Two 300 mA LDOs
Manufacturer
Analog Devices
Datasheet
1.ADP5034.pdf
(28 pages)
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Part Number
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Quantity
Price
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Manufacturer:
ADI/亚德诺
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Part Number:
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Quantity:
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Part Number:
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Manufacturer:
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Quantity:
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Data Sheet
Figure 34. LDO Load Regulation Across Temperature, V
Figure 35. LDO Line Regulation Across Output Load, V
3.45
3.40
3.35
3.30
3.25
3.20
3.15
Figure 33. PMOS RDS
3.0
2.5
2.0
1.5
1.0
0.5
250
200
150
100
0
0
2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0 4.2 4.4 4.6 4.8 5.0 5.2 5.4
50
0
2.3
I
OUT
I
V
V
OUT
IN
IN
0.05
I
OUT
I
OUT
2.8
= 4.2V, +85°C
= 4.2V, –40°C
= 300mA
= 150mA
I
OUT
= 100mA
= 1mA
= 10mA
0.10
ON
3.3
vs. Input Voltage Across Temperature
V
INPUT VOLTAGE (V)
IN
= 4.2V, +25°C
I
OUT
3.8
V
0.15
IN
I
OUT
–40°C
(A)
(V)
= 100µA
4.3
0.20
+25°C
IN3
4.8
= 3.3 V, V
+125°C
0.25
OUT3
5.3
= 2.8 V
OUT3
0.30
= 2.8 V
Rev. A | Page 13 of 28
Figure 38. LDO Response to Line Transient, Input Voltage from 4.5 V to 5.5 V,
Figure 36. LDO Ground Current vs. Output Load, V
Figure 37. LDO Response to Load Transient, I
2
1
2
1
3
50
45
40
35
30
25
20
15
10
CH1
CH1 20.0mV
CH3
5
0
0
100mV
1.00V
VOUT
VOUT
VIN
I
0.05
T
OUT
B W
T
CH2 100mA Ω
0.10
LOAD CURRENT (A)
V
V
OUT3
OUT3
= 2.8 V
= 2.8 V
B W
M 100µs
T
0.15
28.40%
M 40.0µs A CH2
T
19.20%
OUT3
0.20
IN3
from 1 mA to 80 mA,
A CH3
= 3.3 V, V
0.25
ADP5034
52.0mA
4.80V
OUT3
= 2.8 V