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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
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 +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)
Special Features
*
* * *
*
* *
* * *
Ultra Low Profile - 4.5mm height Efficiency - 91% @ 5V -40 C to +85C 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
LVP Isolation
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Technical Reference Note Ultra Low Profile AUK 30W Series
AUK 30W Ultra Low Profile Series THIS SPECIFICATION COVERS THE REQUIREMENTS
MODEL NAME AUK11M48 AUK11Y48 AUK10G48 AUK09F48 AUK06A48
SIS CODE AUK11M48 AUK11Y48 AUK10G48 AUK09F48 AUK06A48
Vout,Iout 1.5V @ 11A 1.8V @ 11A 2.5V @ 10A 3.3V @ 9A 5V @ 6A
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Technical Reference Note Ultra Low Profile AUK 30W Series
Electrical Specifications
STANDARD TEST CONDITION on a single unit, unless otherwise specified. T A: 25C (Ambient Air) +Vin (P13-15): 36 - 75Vdc -Vin (P9-11): Return for +Vin RC (P5): Open +Vo (P20 - 23): Connect to load -Vo (P24 - 29): Return for +Vo PO (P7):Open ALM(P3): Open ABSOLUTE MAXIMUM RATINGS Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. Functional operation of the device is not implied at these or in any other conditions in excess of those given in the operational sections of the specs. Exposure to absolute maximum ratings for extended periods can adversely affect device reliability. Parameter Input Voltage Continuous Transient (200s, 42V/10/s rate) Operating Temperature (0.2m/s sir flow) Storage Temperature Operating Humidity INPUT SPECIFICATIONS Parameter Operating Input Voltage Turn-on Voltage Turn-off Voltage Maximum Input Current2 (VIN = 0 to VIN,max; IO = IO,max) Device Symbol VIN Min 36 32 30 Typ 48 Max 75 36 34 Unit Vdc Vdc Vdc All All TSTG Device Symbol VIN VIN,trans Min 36 -40 Typ Max 75 90 85 Unit Vdc Vdc C
-40 10
-
90 95
C %
All
IIN,max
-
-
1.5
A
Note: 1. This power module is not internally fused. The use of an input line fuse (GMA-10A Bussman fuse or equivalent) is recommended. 2. The value is static only and rated for UL/cUL safety. In-rush current to charge internal capacitors is not specified. MODEL : AUK 30W SERIES April 05 REVISION 02
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Technical Reference Note Ultra Low Profile AUK 30W Series
OUTPUT SPECIFICATIONS Parameter Output Voltage Setpoint (VIN=VIN,min to VIN,max at IO=IO,max) Device AUK11M48 AUK11Y48 AUK10G48 AUK09F48 AUK06A48 Symbol VO,SET VO,SET VO,SET VO,SET VO,SET Min Typ 1.5 1.8 2.5 3.3 5.0 Max Unit Vdc Vdc Vdc Vdc Vdc
Output Regulation: Line: VIN=VIN,min to VIN,max Load: IO=IO,min to IO,max Output Ripple and Noise Peak to Peak: 5Hz to 20MHz Output Current Range
All All
-
-3 -3
-
+5 +5
% %
All 1.5V 1.8V 2.5V 3.3V 5.0V 1.5V 1.8V 2.5V 3.3V 5.0V All All
IO IO IO IO IO IO IO IO IO IO
0 0 0 0 0 -
11.3 11.3 10.3 9.3 6.2 120 90
50 11 11 10 9 6 -
mVPK-PK A A A A A A A A A A %Vo %Vo
Output Current Limit Inception3
Over Voltage Protection Low Voltage Protection
Efficiency Ta = 25C. Vin =48V, Io=Iomax
1.5V 1.8V 2.5V 3.3V 5.0V

80 81 84 85 86
85 86 89 90 91
-
% % % % %
Note: 3. This feature is only for module protection and is not intended for customer application. The value is specified at 25C ambient air temperature.
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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 Load Change: 100% to 50% IO,max Turn-On time (Input to Output)5 IO = Iomax; VIN = VIN,nom to VO,nom
All All All All
IO/t -
15
0.3 x Io / 100uS -
10 10 250
A/s %VO %VO 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.
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Technical Reference Note Ultra Low Profile AUK 30W Series
Basic Operation and Features
Over Current Limit Inception (OCP) The Isolated DC-DC converter limits output current when the current is over the maximum output current due to abnormality such as overload or short circuit. When over current condition continues and output voltage decreases to the point of low voltage protection, the DC-DC converter will be in latch up mode. To restore the output, remove the abnormality and re-set the input voltage under 5V for 1 second minimum. Over Voltage Protection (OVP) The Isolated DC-DC converter stops the operation when the output voltage is over the specified Over Voltage Protection point, the converter will be in latch up mode after 0.5ms*. To restore the output, re-set the input voltage under 5V for 1 second minimum. Notes*: Output voltage might exceed the point at which OVP starts to function under the specific condition of transient input voltage or output current change. Therefore, OVP is set to wait for the mask time 0.5ms. Low Voltage Protection (LVP) If output voltage is under the specified Low Voltage Protection point, the converter will halt the operation. After typical 500ms mask period, the converter will be in latch up mode. To restore the output, re-set the input voltage under 5V for 1 second minimum. Remote On/Off Control (RC) If RC pin is open or connected to -Vin, the converter is turned on. If RC is connected to +Vin, the converter is turned off. Alarm Output (ALM) The Alarm output will be down to the -Vin level (Open Drain Output) at the condition of Over Voltage Protection or Low Voltage Protection. The maximum sink current in ALM pin is 10mA. When operating in parallel application, all operating units can be simultaneously halt by connecting all the ALM pins together, in the condition of Over Voltage Protection or Low Voltage Protection caused by any single converter. Maximum number for parallel operation is 10 units Synchronous Turn On/Off Connect the PO (parallel Operation) pins of all operating units together will synchronize the turn on / off time in parallel application. MODULE PIN ASSIGNMENT
PIN # P1, 2, 16, 17, 18, 19, 33, 34 P20, 21, 22, 23 P24, 25, 26, 27, 28, 29 P3 P5 P7 P6 P13, 14, 15 P9, 10, 11
DESIGNATION NC +Vo -Vo ALM RC PO NC +Vin -Vin
Mechanical supplemental contact pins + Output - Output Alarm Output Remote On/Off Parallel Operation + Input - Input
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Technical Reference Note Ultra Low Profile AUK 30W Series
Performance Curves
Ef f iciency at 25C 100 80 Efficiency (%) V in=36V 60 40 20 0 0 2 4 6 Iout (A ) 8 10 V in=48V V in=60V V in=75V
Efficiency at 25C 100 Efficiency (%) 80 60 40 20 0 0 2 4 6 Iout (A) 8 10 Vin=36V Vin=48V Vin=60V Vin=75V
Efficiency vs. Load Current Curves for 1.5Vo
Efficiency at 25C 100 Efficiency (%) Vin=36V Vin=48V Vin=60V Vin=75V
Efficiency vs. Load Current Curves for 1.8Vo
Efficiency at 25C 100 Efficiency (%) 80 60 40 20 0 Vin=36V Vin=48V Vin=60V Vin=75V
80 60 40 20 0 0 2 4 6 8 10 Iout (A)
0
2
4 Iout (A)
6
8
Efficiency vs. Load Current Curves for 2.5Vo
Ef f ic iency at 25C 100 Efficiency (%) 80 60 40 20 0 0 2 Iout (A ) 4 6 V in=36V V in=48V V in=60V V in=75V
Efficiency vs. Load Current Curves for 3.3Vo
Efficiency vs. Load Current Curves for 5.0Vo
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Technical Reference Note Ultra Low Profile AUK 30W Series
AUK Power derating
75C
100
75 Output (%)
70% at 85C
50
Air V = 0m/s Air V=0.2m/s
25
0 -40 -20 0 20 40 60 80 Ambient Temp (C)
Derating Curve for the AUK 30W Series
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Technical Reference Note Ultra Low Profile AUK 30W Series
Typical Application Circuit
A) Single Operation
GND -48V Fuse SW
+Vin -Vin -PO RC
ALM
+Vout -Vout
Load
SW Open : Enable DC-DC converter
Figure 1 B) Parallel Operation (A single power supply connects to multiple DC-DC converters to apply for higher output current more than rated one from a DC-DC converter)
GND -48V Fuse SW
+Vin -Vin -PO RC
ALM
+Vout -Vout
Load
+Vin -Vin -PO RC
ALM
SW Close : Halt all DC-DC converter with RC connected together Maximum units in parallel: 10pcs
+Vout
-Vout
Figure 2 i) All PO pins should be connected together ii) All DC-DC converters with ALM pins connected will stop the operation when one single converter 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.
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Technical Reference Note Ultra Low Profile AUK 30W Series
C) Multiple Operation: A single power supply connects to multiple DC-DC converters to individually distribute output current to multiple independent loads.
GND -48V Fuse SW
+Vin -Vin PO RC
ALM
+Vout -Vout
Load
+Vin -Vin PO RC
SW Close : Halt all DC-DC converter with RC connected together
+Vout
-Vout
Load
ALM
Figure 3 i) All DC-DC converters with ALM pins connected will stop the operation when one single converter is halted in mode protected by LVP or OVP. ii) LED is optionally connected to ALM pin for the notice of DC-DC converter stoppage.
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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.
Converter No.1
GND -48V
Fuse SW2 SW1
+Vin -Vin PO RC ALM
+Vout -Vout
Load
Converter No.2
+Vin -Vin PO RC ALM
+Vout -Vout
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.
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Technical Reference Note Ultra Low Profile AUK 30W Series
Mechanical Specifications
Marking of No.1 pin
1 2 3 4 5 6 34 33
2.18+/-0.5
P=2.54+/-0.2 Tolerance is not accumulated. Unit : mm
06*S
29
ABC
(2P)
7
28 27 26 25 24 23 22 21
INPUT=36-75VDC
OUTPUT= H . J V K L A
AUK E F G 48
9 10
(2P)
11
13 14 15 16 17
18
42.4+/-0.5
1.5+/-0.2
19
0.25+/-0.1
20
45+/-0.5
0 to 10deg
0.55
+0.1 -0.15
1.3+/-0.3
Enlarged pin shape
4.4Max
45.0+/-0.6
Coplanarity 0.1mm Max
Pin No 1,2,16,17,18,19,33,34 20,21,22,23 24,25,26,27,28,29 9,10,11 13,14,15
Symbol NC +Vout -Vout -Vin +Vin
Function Mechanical supplemental contact pins +Output -Output -Input +Input
Pin No 3 4 5 6 7
Symbol ALM NC RC NC PO
Function Alarm output Remote on/off control Parallel operation
Notes: A : Factory symbol B : The last number of production year Example: 2 stands for 2002 C : Production month (1,2,3,.....,9,O, N, D) Unit Weight: 13.8g
E,F G H,J K,L
: Output current symbol : Output voltage symbol : Output voltage : Output current
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Technical Reference Note Ultra Low Profile AUK 30W Series
PACKING AND SHIPPING Trays Tray Dimensions Unit : mm General tolerance : +-1.5
A
P1 64.6 P1 by 3=193.8
B
B'
300
274.5
P2 56.0
A* f
P2 by 2 = 112 200
44.0
B-B' cross section
10.0
174.5
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A-A'cross section
53.2
Technical Reference Note Ultra Low Profile AUK 30W Series
Maximum pieces per a tray : 12pcs/tray Package Corrugated cardboard box contains trays with products. Tray is heaped with alternately opposite direction to prevent products from contacting against the bottoms of trays.
Dummy tray Trays containing products Bottom sheet of corrugated cardboard
Label
ASTEC Products
Corrugated cardboard box
Numerals in parentheses are reference only. Unit : mm Label ; written by : Part Number, : Quantity, : Inspection Number, : CE Marking.
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Technical Reference Note Ultra Low Profile AUK 30W Series
Reflow Soldering Information
Soldering I) Flux Solder the products with Rosin Flux (0.2wt%. chloride or less). Do not use acid or soluble flux, because they may damage metallic parts and glass parts and may cause defective or reduce quality. II) Solder SnAgCu solder compatible III) Condition of Soldering - Recommended soldering profile (J-STD-020C): Reflow Profile : Infrared or air blow Preheating : 150 - 200 deg C for 60 to 150sec Peak temperature : 240 5 deg C at surface. Maximum period above 220deg.C : 20 - 60sec Ramp rate : lower than 4 deg C / sec Times : Max 2 times (see below recommendation) . Recommendation Do not give vibration to products while solder melts under reflow process. Please handle to wait for products cooled down enough. Please don't reflow a motherboard mounted the products on the lower side such as a below figure, because the products surely fall down from the motherboard. If need, we recommend to use supplemental mechanical contact to pins at four corners of a substrate by other adhesive methods, for example, a thermal setting resin rather than soldering.
Motherboard
Isolated DC-DC converter
Recommend Storage Condition
Maximum storage period: Storage condition: 6 months 30 deg C, 60%RH
Recommend baking the module at 100degC for 24 hours if storage period is longer than 6 months.
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