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PDF AUK30W Data sheet ( Hoja de datos )
| Número de pieza | AUK30W | |
| Descripción | Ultra Low Profile DC - DC Module | |
| Fabricantes | ASTEC | |
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Technical Reference Note
Ultra Low Profile
AUK 30W Series
AUK 30W Ultra Low Profile DC – DC Module
(Pb-free reflow compatible and ROHS Compliant)
The AUK 30W series is Astec’s new Ultra Low Profile, 48Vin, SMT isolated single output modules. With the Ultra Low
Profile SMT design (only 4.4mm height), the module can be flexible mounted on the top side or the bottom side of
motherboard. The AUK 30W series also comes with enhanced features such as Remote on/off (RC), parallel Application
(PO), Power Good (ALM), and the protection of OVP, OCP and UVLO.
Electrical Parameters
Input
Input range
Efficiency
36 – 75Vdc
91% @5Vo
Special Features
• Ultra Low Profile – 4.5mm height
• Efficiency – 91% @ 5V
• -40 °C to +85°C Ambient Operating temperature
(0.2m/s air flow)
• Open Frame SMT
• Low output ripple and noise
• Regulation to zero load
• CISPR22, Class A for Conduct and Radiated EMI
• Parallel Application
• UL/cUL 60950, CE Mark
• Pb-free reflow compatible and ROHS Compliant
Control
Enable
ON: RC pin connected to –Vin or Open
OFF: RC pin connected to +Vin
Output
Line / Load Regulation
Ripple and Noise
OVP
OCP
LVP
Isolation
+5%, -3%
50mVp-p
120% of Vonom
(Latch-up)
11.3A for 1.5V, 1.8V
10.3A for 2.5V
9.3A for 3.3V
6.2A for 5.0V
90% of Vonom
(Latch-up)
1500VDC (1 minute)
MODEL : AUK 30W SERIES
April 05 REVISION 02
SHEET 1 OF 15
1 page  
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Technical Reference Note
Ultra Low Profile
AUK 30W Series
OUTPUT SPECIFICATIONS (Continued)
Parameter
Switching Frequency
Device
1.5V
1.8V
2.5V
3.3V
5.0V
Symbol
-
-
-
-
-
Min
-
-
-
-
-
Typ
530
530
530
530
530
Max
Unit
- KHz
- KHz
- KHz
- KHz
- KHz
Dynamic Response:
Slew Rate
Load Change: 50% - 100% IO,max
All ∆IO/∆t - 0.3 x Io / -
100uS
A/µs
All - -
- 10 %VO
Load Change: 100% to 50% IO,max All - -
- 10 %VO
Turn-On time (Input to Output)5
IO = Iomax; VIN = VIN,nom
to VO,nom
All - 15 - 250 ms
Note: 5. Input to Output Turn-On time is defined as the difference between t1 and t2: where t1 is the time
when the input voltage reaches the minimum VIN (VIN = VIN,MIN) and t2 is the time when the output
voltage reaches it's specified range (VO = VO,SET-Min).
ISOLATION SPECIFICATION
Input to Output Isolation: 1500Vdc (1 minute)
SAFETY APPROVAL
The AUK (30W) is certified under the following agencies:
• UL/cUL 60950, and CE Mark.
The module shall not be considered approved and carry safety agency logos until this has been authorized by
Safety and QA / QC management.
MODEL : AUK 30W SERIES
April 05 REVISION 02
SHEET 5 OF 15
5 Page 
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Technical Reference Note
Ultra Low Profile
AUK 30W Series
D) complex parallel and multiple (Sequence start-up): Two converters supplying the same output voltage for a
single load and another converter supplying the different output voltage for another load.
GND
-48V
Fuse
SW2 SW1
Converter No.1
+Vin
-Vin
PO
RC
ALM
+Vout
-Vout
Converter No.2
+Vin
-Vin
PO
RC
ALM
+Vout
-Vout
Load
Converter No.3
+Vin
-Vin
PO
RC
ALM
+Vout
-Vout
Load
SW1 Close : Halt DC-DC converter No.1 and 2
SW2 Close : Halt DC-DC converter No.3
Figure 4
i) PO pins of the converters supplying the same output voltage are connected to the others and another PO pin of the
different output voltage converter is not connected.
ii) All three DC-DC converters, which are connected to ALM pins, stop their operation when a single one is halted in
mode protected by LVP or OVP.
iii) LED is optionally connected to ALM pin for the notice of DC-DC converter stoppage.
MODEL : AUK 30W SERIES
April 05 REVISION 02
SHEET 11 OF 15
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet AUK30W.PDF ] | |
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