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參數(shù)資料
| 型號(hào)： | ADP3025 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | High Efficiency Dual Output Power Supply Controller |
| 中文描述： | 高效率雙輸出電源控制器 |
| 文件頁數(shù)： | 4/24頁 |
| 文件大小： | 609K |
| 代理商： | ADP3025 |
ADP3025
SPECIFICATIONS
(continued)
Rev. A | Page 4 of 24
Parameter
MAIN SMPS CONTROLLERS
Fixed 5 V Output Voltage
Fixed 3.3 V Output Voltage
Adjustable Output Voltage
Symbol
FB5
FB3
FB5, FB3
Conditions
5.5 V ≤ VIN ≤ 25 V, ADJ/FX5 = 0 V
5.5 V ≤ VIN ≤ 25 V, ADJ/FX3 = 0 V
5.5 V ≤ VIN ≤ 25 V,
ADJ/FX5 = ADJ/FX3 = 5 V
ADJ/FX5 = ADJ/FX3 = 5 V
5.5 V = VIN = 25 V, T
A
= 25°C
5.5 V ≤ VIN ≤ 25 V, T
A
= 25°C
SS3 = SS5 = 3 V
ADJ/FX5 = ADJ/FX3 = 5 V, FB = 800 mV
VIN = 5.5 V, SYNC = AGND
C
LOAD
= 3000 pF, 10% to 90%
C
LOAD
= 3000 pF, 90% to 10%
C
LOAD
= 3000 pF, 10% to 90%
C
LOAD
= 3000 pF, 90% to 10%
COMP2/SD2 = 0 V
COMP2/SD2 = 3 V
FB2 = 800 mV
PFO from high to low
10 k pull-up to 5 V
10 k pull-up to 5 V
With respect to nominal output
With respect to nominal output
Min
4.90
3.234
776
Typ
5.0
3.3
800
Max
5.10
3.366
824
Unit
V
V
mV
Output Voltage Adjustment Range
3
Current Limit Threshold
CLSET5 = CLSET3 = Floating
CLSET5 = CLSET3 = 0 V
Soft Start Current
Soft Start Turn-On Threshold
Feedback Input Leakage Current
Maximum Duty Cycle
3
Transition Time (DRVL)
Rise
Fall
Transition Time (DRVH)
Rise
Fall
Logic Input Voltage
ADJ/FX3, ADJ/FX5, SD
Logic Low
Logic High
LINEAR REGULATOR CONTROLLER
Feedback Threshold
COMP2/SD2 Pull-Up Current
COMP2/SD2 Threshold
DC Gain
3
Transconductance g
m 3
Gain-Bandwidth Product
3
FB2 Input Leakage Current
POWER-FAIL COMPARATOR
PFI Input Threshold
PFI Input Hysteresis
PFI Input Current
PFO High Voltage
PFO Low Voltage
FAULT PROTECTION
Output Overvoltage Trip Threshold
Output Undervoltage Lockout Threshold
SS5, SS3
I
FB
D
MAX
t
R
(DRVL)
t
F
(DRVL)
t
R
(DRVH)
t
F
(DRVH)
VIL
VIH
FB2
COMP2/SD2
GBW
I
FB2
PFI
I
PFI
PFO
H
PFO
L
0.800
54
240
0.7
0.4
94
2.9
776
0.5
776
4.8
115
70
72
300
2.1
0.6
99
40
45
50
50
800
2.8
0.85
62
0.3
20
20
800
14
120
80
6.0
90
360
3.8
0.8
600
70
70
100
100
0.6
824
1.1
824
500
0.4
125
90
V
mV
mV
μA
V
nA
%
ns
ns
ns
ns
V
V
mV
μA
V
dB
ms
MHz
nA
mV
mV
nA
V
V
%
%
1
All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC) methods.
2
The reference’s line regulation error is insignificant. The reference is not supposed to be loaded externally.
3
Guaranteed by design, not tested in production.
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