ADP3025 データシートの表示（PDF） - Analog Devices
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ADP3025 Datasheet PDF : 24 Pages
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ADP3025
SPECIFICATIONS (continued)
Parameter
Symbol
Conditions
Min Typ Max
Unit
MAIN SMPS CONTROLLERS
Fixed 5 V Output Voltage
FB5
5.5 V ≤ VIN ≤ 25 V, ADJ/FX5 = 0 V
4.90 5.0 5.10
V
Fixed 3.3 V Output Voltage
FB3
5.5 V ≤ VIN ≤ 25 V, ADJ/FX3 = 0 V
3.234 3.3 3.366
V
Adjustable Output Voltage
FB5, FB3
5.5 V ≤ VIN ≤ 25 V,
ADJ/FX5 = ADJ/FX3 = 5 V
776 800 824
mV
Output Voltage Adjustment Range3
ADJ/FX5 = ADJ/FX3 = 5 V
0.800
6.0
V
Current Limit Threshold
CLSET5 = CLSET3 = Floating
5.5 V = VIN = 25 V, TA = 25°C
54 72 90
mV
CLSET5 = CLSET3 = 0 V
Soft Start Current
Soft Start Turn-On Threshold
Feedback Input Leakage Current
Maximum Duty Cycle3
E Transition Time (DRVL)
Rise
Fall
T Transition Time (DRVH)
Rise
Fall
Logic Input Voltage
E ADJ/FX3, ADJ/FX5, SD
Logic Low
Logic High
L LINEAR REGULATOR CONTROLLER
Feedback Threshold
COMP2/SD2 Pull-Up Current
COMP2/SD2 Threshold
O DC Gain3
Transconductance gm 3
Gain-Bandwidth Product3
S FB2 Input Leakage Current
POWER-FAIL COMPARATOR
PFI Input Threshold
PFI Input Hysteresis
B PFI Input Current
PFO High Voltage
PFO Low Voltage
O FAULT PROTECTION
SS5, SS3
IFB
DMAX
tR(DRVL)
tF(DRVL)
tR(DRVH)
tF(DRVH)
5.5 V ≤ VIN ≤ 25 V, TA = 25°C
240
SS3 = SS5 = 3 V
0.7
0.4
ADJ/FX5 = ADJ/FX3 = 5 V, FB = 800 mV
VIN = 5.5 V, SYNC = AGND
94
300 360
2.1 3.8
0.6 0.8
600
99
CLOAD = 3000 pF, 10% to 90%
CLOAD = 3000 pF, 90% to 10%
40 70
45 70
CLOAD = 3000 pF, 10% to 90%
CLOAD = 3000 pF, 90% to 10%
50 100
50 100
VIL
VIH
FB2
COMP2/SD2 COMP2/SD2 = 0 V
GBW
IFB2
PFI
IPFI
PFOH
PFOL
COMP2/SD2 = 3 V
FB2 = 800 mV
PFO from high to low
10 kΩ pull-up to 5 V
10 kΩ pull-up to 5 V
0.6
2.9
776 800 824
2.8
0.5 0.85 1.1
62
0.3
20
20
776 800 824
14
500
4.8
0.4
mV
µA
V
nA
%
ns
ns
ns
ns
V
V
mV
µA
V
dB
ms
MHz
nA
mV
mV
nA
V
V
Output Overvoltage Trip Threshold
With respect to nominal output
115 120 125
%
Output Undervoltage Lockout Threshold
With respect to nominal output
70 80 90
%
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.
Rev. A | Page 4 of 24
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