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ADDC02805SA Scheda tecnica(PDF) 2 Page - Analog Devices

Il numero della parte ADDC02805SA
Spiegazioni elettronici  28 V/66 W/100 W DC/DC Converters with Integral EMI Filter
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Produttore elettronici  AD [Analog Devices]
Homepage  http://www.analog.com
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ADDC02805SA Scheda tecnica(HTML) 2 Page - Analog Devices

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ADDC02803SC/ADDC02805SA–SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
Case
Test
ADDC02803SC
ADDC02805SA
Parameter
Temp
Level Conditions
Min Typ Max
Min
Typ
Max
Units
INPUT CHARACTERISTICS
Steady State Operating Input Voltage Range1 Full
VI
IO = 2 A to 20 A
18
28
40
18
28
40
V
Abnormal Operating Input Voltage Range
(Per MIL-STD-704D)
1
Full
VI
IO = 2 A to 16 A
16
50
16
50
V
Input Overvoltage Shutdown
+25
°C I
50
52.5 55
50
52.5
55
V
No Load Input Current
+25
°C I
90
90
mA
Disabled Input Current
Full
VI
0.85 2.0
0.85
2.0
mA
OUTPUT CHARACTERISTICS
2, 3
Output Voltage (VO)
+25
°CI
IO = 2 A to 20 A, VIN = 18 V to 40 V dc
3.26 3.30 3.34
5.00
5.025 5.05
V
Full
VI
IO = 2 A to 20 A, VIN = 18 V to 40 V dc
3.2
3.4
4.925
5.125 V
Full
VI
IO = 2 A to 16 A, VIN = 16 V to 50 V dc
3.2
3.4
4.925
5.125 V
Line Regulation
+25
°CV
IO = 20 A, VIN = 18 V to 40 V dc
1
1
mV
Load Regulation
+25
°CV
VIN = 28 V dc, IO = 2 A to 20 A
1
1
mV
Output Ripple/Noise
4
+25
°CI
IO = 20 A, 5 kHz – 2 MHz BW
15
35
15
50
mV p-p
Output Current (IO)
Full
VI
VIN = 18 V to 40 V dc
2
21.2
2
20
A
Output Overvoltage Protection
+25
°CV
IO = 20 A, Open Remote Sense Connection
145
125
% VO Nom
Output Current Limit
+25
°CV
VO = 90% VOUT Nom
130
% IO max
Output Short Circuit Current
+25
°C I
39
35
A
ISOLATION CHARACTERISTICS
Isolation Resistance
+25
°C I
Input to Output or Any Pin to Case at 500 V dc
100
100
M
DYNAMIC CHARACTERISTICS
4
Output Voltage Deviation Due to
Step Change in Load
+25
°CV
IO = 10 A to 20 A or 20 A to 10 A di/dt = 0.5 A/µs
350
500
mV
Response Time Due to Step Change in Load
+25
°CV
IO = 10 A to 20 A or 20 A to 10 A, di/dt = 0.5 A/µs,
135
125
µs
Time for VOUT to Return within 2% of Final Value
Soft Start Turn-On Time
5
+25
°CI
IO = 20 A, From Inhibit High to Status High
1
4
7
20
ms
THERMAL CHARACTERISTICS
Efficiency
+25
°CI
IO = 12 A
75
79
77
80
%
Max
VI
IO = 12 A
75
77
%
Min
VI
IO = 12 A
72
75
%
+25
°CI
IO = 20 A
74
77
77
79
%
Max
VI
IO = 20 A
74
77
%
Min
VI
IO = 20 A
73
75
%
Hottest Junction Temperature
6
+90
°CV
IO = 20 A
110
110
°C
CONTROL CHARACTERISTICS
Clock Frequency
Full
VI
IO = 2 A
0.85
0.99
0.85
0.99
MHz
ADJUST (Pin 3) V ADJ
+25
°C I
1.26 1.32 1.38
1.92
2.04
2.10
V
STATUS (Pin 4)
VOH
+25
°CI
IOH = 400 µA
2.4
4.0
2.4
4.0
V
VOL
+25
°CI
IOL = 1 mA
0.15 0.7
0.15
0.7
V
VAUX (Pin 5)
VO (nom)
+25
°CI
IAUX = 5 mA, Load Current = 20 A
13.2 13.7 14.2
14.3
14.7
15.3
V
INHIBIT (Pin 6)
VIL
+25
°C I
0.5
0.5
V
IIL
+25
°CI
VIL = 0.5 V
1.2
1.2
mA
VI (Open Circuit)
+25
°C I
15
15
V
SYNC (Pin 7)7
VIH
+25
°C I
4.0
4.0
V
IIH
+25
°CI
VIH = 7.0 V
175
175
µA
ISHARE (Pin 8)
+25
°CI
IO = 20 A
2.62 2.72 2.82
2.75
2.82
2.95
V
TEMP (Pin 9)
+25
°C V
3.90
3.90
V
NOTES
150 V dc upper limit rated for transient condition of up to 50 ms. 16 V dc lower limit rated for continuous operation during emergency condition. Steady state and
abnormal input voltage range require source impedance sufficient to insure input stability at low line. See sections entitled System Instability Considerations and Input
Voltage Range.
2Measured at the remote sense points.
3Unit regulates output voltage to zero load.
4C
LOAD = 0.
5Output is fully loaded into a constant resistive load.
6Refer to section entitled Thermal Characteristics for more information.
7Unit has internal pull-down; refer to section entitled Pin 7 (SYNC).
Specifications subject to change without notice.
REV. A
–2–
(TC = +25 C, VIN = 28 V dc
0.5 V dc, unless otherwise noted; full temperature range is
–55 C to +90 C; all temperatures are case and TC is the temperature measured at the center of the package bottom.)


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