Rev.09.26.19_#1.0 ADO300 Series Page 1 Technical Reference Note ADO300-48S12 300 Watts Eighth-brick Converter Total Power: 300Watts Input Voltage: 36 to 75 Vdc # of Outputs: Single Special Features • Delivers up to 26A output current • Ultra-high efficiency 95.2% at full load • Parallel with droop current sharing • Startup Pre-bias • Input range: 36V ~ 75V • Fully regulated output voltage • Excellent thermal performance • Power Good (PG) feature • No minimum load requirement • RoHS 6 compliant • Remote control function (negative logic; Secondary remote control function option ) • Input under voltage lockout • Input over voltage lockout • Output over current protection • Output over voltage protection • Over temperature protection Safety IEC/EN/UL/CSA 60950 CE UL/TUV UL94,V-0 Product Descriptions The ADO300-48S12 is a new generation single output digital control DC/DC converter with standard eighth-brick outline and pin configuration, as well as base plate and PMBus TM option. It delivers up to 26A output current with 11.7V output voltage. Above 95.2% ultra-high efficiency and excellent thermal performance makes it an ideal choice to supply power in telecom and datacom. It can work under -40 o C ~ +85 o C with air cooling. PMBus TM option interface is also provided for a flexible digital control. Applications Telecom/ Datacom
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Product Descriptions Applications - Artesyn …...Rev.09.26.19_#1.0 ADO300 Series Page 3 Table 1. Absolute Maximum Ratings: Parameter Model Symbol Min Typ Max Unit Input Voltage Operating
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Rev.09.26.19_#1.0
ADO300 Series
Page 1
Technical Reference Note
ADO300-48S12
300 Watts Eighth-brick Converter
Total Power: 300Watts
Input Voltage: 36 to 75 Vdc
# of Outputs: Single
Special Features
• Delivers up to 26A output current
• Ultra-high efficiency 95.2% at full
load
• Parallel with droop current sharing
• Startup Pre-bias
• Input range: 36V ~ 75V
• Fully regulated output voltage
• Excellent thermal performance
• Power Good (PG) feature
• No minimum load requirement
• RoHS 6 compliant
• Remote control function (negative
logic; Secondary remote control
function option )
• Input under voltage lockout
• Input over voltage lockout
• Output over current protection
• Output over voltage protection
• Over temperature protection
Safety
IEC/EN/UL/CSA 60950
CE
UL/TUV
UL94,V-0
Product DescriptionsThe ADO300-48S12 is a new generation single output digital control DC/DC
converter with standard eighth-brick outline and pin configuration, as well as
base plate and PMBusTM option. It delivers up to 26A output current with 11.7V
output voltage. Above 95.2% ultra-high efficiency and excellent thermal
performance makes it an ideal choice to supply power in telecom and datacom.
It can work under -40 oC ~ +85 oC with air cooling. PMBusTM option interface is
also provided for a flexible digital control.
ApplicationsTelecom/ Datacom
Technical Reference Note
Rev.09.26.19_#1.0
ADO300 Series
Page 2
Technical Reference Note
Model Numbers
Ordering information
Options
None
Standard Output Voltage Structure Pin Tyoe RoHS Status PMBusTM
ADO300-48S12-6L 11.82Vdc Open-frame Through hole R6 No
ADO300-48S12B-6L 11.82Vdc Baseplate Through hole R6 No
ADO300-48S12-6LI 11.82Vdc Open-frame Through hole R6 Yes
ADO300-48S12B-6LI 11.82Vdc Baseplate Through hole R6 Yes
ADO300 - 48 S 12 B - 6 L I
① ② ③ ④ ⑤ ⑥ ⑦ ⑧
① Model seriesADO: high efficiency digital control eighth brick series, 300: output
power 300W
② Input voltage 48: 36V ~ 75V input range, rated input voltage 48V
③ Output number S: single output
④ Rated output voltage 12: 12V output
⑤ Baseplate status B: with baseplate; default: open frame
⑥ Pin length -6: 3.8mm
⑦ RoHS status Y: RoHS, R5; L: RoHS, R6
⑧ PMBusTM interface I: available; default: don’t support
Technical Reference Note
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ADO300 Series
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Technical Reference Note
Table 1. Absolute Maximum Ratings:
Parameter Model Symbol Min Typ Max Unit
Input Voltage
Operating -Continuous
Non-operating -100mS
All models
All modelsVIN,DC
-
-
-
-
78
95
Vdc
Vdc
Maximum Output Power All models PO,max - - 300 W
Isolation Voltage1
Input to output All models - - 1500 Vdc
Ambient Operating Temperature All models TA -40 - +85 oC
Storage Temperature All models TSTG -55 - +125 oC
Voltage at remote ON/OFF pin All models -0.3 - 15 Vdc
Logic pin voltage (to SIG_GND or Vo-),
such as TRIM/C1, C2, ADDR0, ADDR1,
CLK, DATA, SMBALERT.
All models -0.3 - 3.6 V
Humidity (non-condensing)
Operating
Non-operating
All models
All models
-
-
-
-
95
95
%
%
Note 1 - 1mA for 60s, slew rate of 1500V/10s. Functional insulation, pollution degree 2, input-metal part
Electrical Specifications
Absolute Maximum Ratings
Stress in excess of those listed in the “Absolute Maximum Ratings” may cause permanent damage to the power supply.
These are stress ratings only and functional operation of the unit is not implied at these or any other conditions above
those given in the operational sections of this TRN. Exposure to any absolute maximum rated condition for extended
periods may adversely affect the power supply’s reliability.
Technical Reference Note
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ADO300 Series
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Technical Reference Note
Input Specifications
Table 2. Input Specifications:
Parameter Conditions1 Symbol Min Typ Max Unit
Operating Input Voltage, DC All VIN,DC 36 48 75 Vdc
Turn-on Voltage Threshold All VIN,ON 31 - 36 Vdc
Turn-off Voltage Threshold All VIN,OFF 30 - 35 Vdc
Input Under-voltage Lockout Hysteresis All 1 - 3 Vdc
Input Over Voltage Protection All 79 - 87 Vdc
Input Over Voltage Protection recovery
voltageAll 78 - 86 Vdc
Input Over-voltage Lockout Hysteresis All 1 - - Vdc
Figure 9:ADO300-48S12 Efficiency vs. output current, Ta=25oC, Vo=11.9V
Loading: Io = 10% increment to 26A
Technical Reference Note
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ADO300 Series
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Technical Reference Note
Protection Function Specification
Input Fusing
An external fuse is recommended. To meet international safety requirements, a 250V rated fuse should be used.
Recommended rating is 15A for the converter.
Note: The fuse is fast blow type.
Over Voltage Protection (OVP)
The output over-voltage protection consists of circuitry that monitors the voltage on the output terminals. When the over-
voltage condition is removed, the converter will automatically restart.
Over Current Protection (OCP)
When output current exceeds 110 to 144% of rated current, the converter will work on hiccup mode. When the over-current
condition is removed, the converter will automatically restart.
Over Temperature Protection (OTP)
The converter features an over-temperature protection circuit to safeguard against thermal damage. The converter will
shutdown when the maximum device reference temperature is exceeded. When the over-temperature condition is
removed, the converter will automatically restart.
Open-frame
Base-plate
Parameter Min Nom Max Unit
VO Output Overvoltage 14 / 17 V
Parameter Min Nom Max Unit
VO Output Overcurrent 28 / 48 A
Parameter Min Nom Max Unit
VO Output Over temperature 110 / 135 OC
Parameter Min Nom Max Unit
VO Output Over temperature 100 / 125 OC
Technical Reference Note
Rev.09.26.19_#1.0
ADO300 Series
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Technical Reference Note
Mechanical Specifications
Mechanical Outlines – Open-Frame Module
.
Technical Reference Note
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ADO300 Series
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Technical Reference Note
Mechanical Outlines – Baseplate Module
Technical Reference Note
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Technical Reference Note
Pin Length Option
Pin Designations
Device code suffix L
-4 4.6mm±0.25 mm
-6 3.8mm±0.25 mm
-8 2.8mm±0.25 mm
None 5.8mm±0.25 mm
Pin No Name Function Optional
1 Vin+ Positive input voltage
2 Remote ON/OFF Remote control
3 Vin- Negative input voltage
4 Vo- Negative output voltage
5 -Sense Remote sense negative Yes
6 trim/C1 Voltage adjustment Yes
7 +Sense Remote sense positive Yes
8 Vo+ Positive output voltage
9 C2
Digital Yes
10 Sig_Gnd
11 Data
12 SMBAlert
13 Clock
14 Addr1
15 Addr0
Technical Reference Note
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ADO300 Series
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Technical Reference Note
Environmental Specifications
EMC Immunity
ADO300-48S12 power supply is designed to meet the following EMC immunity specifications:
Table 6. Environmental Specifications:
Document Description Criteria
EN55022 DC input port, Class B Limits Conducted Emission /
IEC/EN 61000-4-2 Enclosure Port, Level 3 Immunity to Electrostatic Discharge B
IEC/EN 61000-4-6, DC input port, Level 2 Immunity to Continuous Conducted Interference A
IEC/EN 61000-4-4 DC input port, Level3 Immunity to Electrical Fast Transient B
IEC/EN 61000-4-5 DC input port Immunity to Surges
Line to Ground(earth): 600V
Line to Line: 600V
B
EN61000-4-29
DC input port
Immunity to Voltage Dips and Short Interruptions and
Voltage VariationsB
Criterion A: Normal performance during and after test. Criterion B: Output voltage fluctuation or reset is allowed during the test, but recovers to its normal performance automatically after the disturbance ceases.Criterion C: Temporary loss of output, the correction of which requires operator intervention.Criterion D: Loss of output which is not recoverable, owing to damage to hardware.
Technical Reference Note
Rev.09.26.19_#1.0
ADO300 Series
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Technical Reference Note
Safety Certifications
The ADO300-48S12 power supply is intended for inclusion in other equipment and the installer must ensure that it is in
compliance with all the requirements of the end application. This product is only for inclusion by professional installers
within other equipment and must not be operated as a stand alone product.
Table 7. Safety Certifications for ADO300-48S12 power supply system
Document File # Description
UL/CSA 60950 US and Canada Requirements
EN60950 European Requirements
IEC60950 International Requirements
CE CE Marking
UL94 Materials meet V-0 flammability rating
TUV International Requirements
Technical Reference Note
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ADO300 Series
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Technical Reference Note
Operating Temperature
The ADO300-48S12 power supply will start and operate within stated specifications at an ambient temperature from -
40 OC to 85 OC under all load conditions. The storage temperature is -55 OC to 125 OC.
Thermal Considerations – Open-frame module
ADO300-48S12 is designed to operate in different thermal environments and sufficient cooling must be provided. Proper
cooling can be verified by measuring the temperature at the test points as shown in the Figure 10. The temperature at
these test points should not exceed the maximum values in Table 8.
Figure 10 Temperature test point
.
For a typical application, figure 11 shows the derating of output current vs. ambient air temperature at different air velocity
@48V input.
Figure 11 Derating curve
Table 8. Temperature limit of the test point
Test Point Temperature Limit
OTP test point 109 OC
Test point2 129 OC
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Thermal Considerations –Baseplate module
ADO300-48S12B is designed to operate in different thermal environments and sufficient cooling must be provided. Proper
cooling can be verified by measuring the temperature at the test points as shown in the Figure 12. The temperature at
these test points should not exceed the maximum values in Table 9.
.
Figure 12 Temperature test point
.
Figure 13
Table 9. Temperature limit of the test point
Test Point Temperature Limit
Test point1 105 OC
Test point2 128 OC
Test point3 118 OC
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Technical Reference Note
For a typical application, figure 14 shows the derating of output current vs. ambient air temperature at different air
velocity@48V input with a 0.25” heat sink. The heat sink specification is shown in Figure13.
.
.
Figure 14 ADO300-48S12B with 0.25” heat sink, output power derating at 48Vin, air flowing across the converter
from Vin- to Vin+
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Technical Reference Note
Qualification Testing
Parameter Unit (pcs) Test condition
Halt test 4-5 Ta,min -20OC to Ta,max+25OC, 10OC step, Vin = min to max, 0 ~ 100% load
Thermal Cycling 3 -40OC to 85OC, temperature change rate: 1OC/min, cycles: 2cycles
Humidity 3 40OC, 95%RH, 48h
Solder Ability 15 IPC J-STD-002C-2007
Technical Reference Note
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ADO300 Series
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Technical Reference Note
Application Notes
Typical Application
Below is the typical application of the ADO300-48S12 series power supply.
Figure 15 Typical application
C1: 220µF/100V electrolytic capacitor, P/N: UPM2A221MPD (Nichicon) or equivalent caps.
C2: 0.1µF/100V X7R ceramic capacitor.
C3: 2PCS 22µF/16V/X7S capacitor.
C4: 1000µF/25V electrolytic capacitor, OSK or POSCAP.
Fuse: External fast blow fuse with a rating of 15A/250Vac. The recommended fuse model is 0314015.P from Karwin Tech
limited.
EMI Filter: refer to U1 in Figure 19.
Technical Reference Note
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ADO300 Series
Page 21
Technical Reference Note
Configurable Control Pins
The module contains two configurable control pins, Trim /C1 and C2, referenced to the module secondary SIG_GND. See
Mechanical Views for pin locations. The following table list the default factory configurations for the functions assigned to
these pins. Additional configurations can be accomplished via the PMBusTM command. Following the table, there is a
feature description for each function.
Remote ON/OFF
Standard Negative remote ON/OFF logic is available in the module . The logic is CMOS and TTL compatible. Remote
ON/OFF (ENABLE) can be controlled by an external switch between the on/off terminal and the Vin(-) terminal. The switch
can be an open collector or open drain. The voltage between pin Remote ON/OFF and pin Vin- must not exceed the range
listed in table “Feature characteristics” to ensure proper operation. The external Remote ON/OFF circuit is highly
recommended as shown in figure 16. For the negative logic, if the remote ON/OFF (ENABLE) feature is not used, please
maintain the ENABLE pin to Vin(-).
Secondary Remote On/Off
The module contains an additional secondary remote on/off control,via either the Trim/C1 or C2 pin, reference to the output SIG_GND pin. And such pin can be reconfigured as secondary remote on/off pin by the PMBusTM interface
including either negative or positive logic. Negative logic turns the module on during a logic low and off during a logic high.
Positive logic turns the modules on during a logic high and off during a logic low. The secondary remote on/off can be
controlled by an external switch between Trim/C1 or C2 and output SIG_GND pin. The switch can be an open collector or
open drain,see Figure 15.If not using the Secondary remote on/off control, the pin may be left N/C.