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ADDC02808PB 数据表(PDF) 2 Page - Analog Devices

部件名 ADDC02808PB
功能描述  28 V, 200 W Pulsed DC/DC Converter with Integral EMI Filter
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADDC02808PB 数据表(HTML) 2 Page - Analog Devices

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ADDC02808PB–SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
Case
Test
ADDC02808PB
Parameter
Temp
Level
Conditions
Min
Typ
Max
Units
INPUT CHARACTERISTICS
Steady State Operating Input Voltage Range
1
Full
VI
IO = 1.25 A to 25 A Pulsed
18
28
40
V
Abnormal Operating Input Voltage Range
(Per MIL-STD-704D)
1
Full
VI
IO = 1.25 A to 25 A Pulsed
16
50
V
Input Overvoltage Shutdown
+25
°C
I
50
52.5
55
V
No Load Input Current
+25
°C
VI
45
100
mA
Disabled Input Current
+25
°CVI
1
5
mA
OUTPUT CHARACTERISTICS2, 3
Output Voltage (VO)
+25
°CI
IO = 1.25 A to 25 A, VIN = 18 V to 40 V dc
7.92
8.00
8.08
V
Full
VI
IO = 1.25 A to 25 A, VIN = 18 V to 40 V dc
7.84
8.16
V
Full
VI
IO = 1.25 A to 20 A, VIN = 16 V to 50 V dc
7.84
8.16
V
Line Regulation
+25
°CVI
IO = 25 A Pulsed, VIN = 18 V to 40 V dc
1
5
mV
Load Regulation
+25
°CVI
VIN = 28 V dc, IO = 1.25 A to 25 A Pulsed
2.5
10
mV
Output Ripple/Noise4
+25
°CI
IO = 25 A, 5 kHz – 2 MHz BW
40
60
mV p-p
Output Current (IO)
5
Full
VI
VIN = 18 V to 40 V dc, Pulsed
1.25
25
A
Output Overvoltage Protection
+25
°CV
IO = 25 A, Open Remote Sense Connection
120
% VO nom
Output Current Limit
+25
°CV
VO = 90% VOUT Nom
130
% IO max
Output Short Circuit Current
+25
°C
I
45 m
Ω ≤ R
SHORT Circuit ≤ 60 mΩ
40
A
ISOLATION CHARACTERISTICS
Isolation Resistance
+25
°C
I
Input to Output or Any Pin to Case at 500 V dc
100
M
DYNAMIC CHARACTERISTICS
4
Step Changes In Load (min to max)
+25
°C
I
(Reference Section Entitled “Transient Response”)
Step Changes In Load (max to min)
(Reference Section Entitled “Response at End
of Pulse”)
Soft Start Turn-On Time
+25
°CI
IO = 25 A, From Inhibit High to Status High
6
10
ms
THERMAL CHARACTERISTICS
Efficiency
+25
°CI
IO = 12.5 A
79
80
%
Full
VI
IO = 12.5 A
78
%
+25
°CI
IO = 25 A
75
76
%
Full
VI
IO = 25 A
72.5
%
Hottest Junction Temperature
5
+90
°CV
IO = 25 A
110
°C
CONTROL CHARACTERISTICS
Clock Frequency
Full
VI
IO = 2 A
0.85
0.99
MHz
ADJUST (Pin 3) V ADJ
+25
°C
I
3.1
3.2
3.3
V
STATUS (Pin 4)
VOH
+25
°CI
IOH = 400 µA
2.4
4.0
V
VOL
+25
°CI
IOL = 1 mA
0.15
0.7
V
VAUX (Pin 5)
VO (nom)
+25
°CI
IAUX = 5 mA, Load Current = 12.5 A
14.9
15.15
15.4
V
INHIBIT (Pin 6)
VIL
+25
°CI
0.5
V
IIL
+25
°CI
VIL = 0.5 V
1.2
mA
VI (Open Circuit)
+25
°CI
15
V
SYNC (Pin 7)
6
VIH
+25
°C
I
4.0
V
IIH
+25
°CI
VIH = 7.0 V
150
µA
ISHARE (Pin 8)
+25
°CI
IO = 20 A
2.45
2.55
2.65
V
TEMP (Pin 9)
+25
°C
V
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; tests performed at low continuous load and 200 W pulsed load.
4C
LOAD = 1,000 µF. Output ripple/noise measured at converter output; may be smaller at external load capacitance. Unit is stable for C LOAD ranging from 500 µF
to 4,000
µF.
5Refer to section entitled “Pulse Output Power vs. Pulse Length” for more information.
6Unit has internal pull-down; refer to section entitled Pin 7 (SYNC).
Specifications subject to change without notice.
REV. 0
–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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