H36SA54003
162W DC/DC Power Module
FEATURES
High efficiency: 93.5% @ 54V/3A
Industry standard pin out and footprint
Size: 61.0mm x 57.9mm x 13.2mm
Fixed frequency operation
Input UVLO
Hiccup output over current protection (OCP)
Hiccup output over voltage protection (OVP)
Auto recovery OTP
(2.40’’ x 2.28” x 0.52”) with heat-spreader
Monotonic startup into normal and pre-biased
loads
2828V isolation and basic insulation
No minimum load required
ISO 9001, TL 9000, ISO 14001, QS9000,
OHSAS18001 certified manufacturing facility
UL/cUL 60950-1 (US & Canada)
H36SA54003, Half Brick Family
DC/DC Power Modules:
18~75V in, 54V/3A out, 162W
The H36SA54003 Series, Half Brick, 18~75V input, single
output, isolated DC/DC converter are the latest offering from a
world leader in power systems technology and manufacturing
― Delta Electronics, Inc. The H36SA54003 provide up to 162
watts of power in an industry standard footprint and pin out.
With creative design technology and optimization of
component placement, these converters possess outstanding
electrical and thermal performances, as well as extremely high
reliability under highly stressful operating conditions. The
typical efficiency is 93.5% at 48V input, 54V output and 3A
load.
DS_H36SA54003_04222020
OPTIONS
Negative or Positive remote On/Off
Open frame/Heat spreader
Soldering method
Hand soldering
Wave soldering
APPLICATIONS
Telecom / Datacom
Wireless Networks
Optical Network Equipment
Server and Data Storage
Industrial / Testing Equipment
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P1
TECHNICAL SPECIFICATIONS
(TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted.)
PARAMETER
NOTES and CONDITIONS
H36SA54003
Min.
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Continuous
Transient (100ms)
Operating Ambient Temperature
Storage Temperature
Input/Output Isolation Voltage
INPUT CHARACTERISTICS
Operating Input Voltage
Input Under-Voltage Lockout
Turn-On Voltage Threshold
Turn-Off Voltage Threshold
Lockout Hysteresis Voltage
Maximum Input Current
No-Load Input Current
Off Converter Input Current
Inrush Current ( I2t)
Input Reflected-Ripple Current
Input Voltage Ripple Rejection
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Output Regulation
Over Load
Over Line
Over Temperature
Total Output Voltage Range
Output Voltage Ripple and Noise
Peak-to-Peak
RMS
Operating Output Current Range
Output Over Current Protection(hiccup mode)
DYNAMIC CHARACTERISTICS
Output Voltage Current Transient
Positive Step Change in Output Current
Negative Step Change in Output Current
Settling Time (within 1% Vout nominal)
Turn-On Transient
Start-Up Time, From On/Off Control
Start-Up Time, From Input
Output Capacitance
EFFICIENCY
100% Load
60% Load
ISOLATION CHARACTERISTICS
Input to Output
Input to heatspreader
Output to heatspreader
Isolation Resistance
Isolation Capacitance
FEATURE CHARACTERISTICS
Switching Frequency
ON/OFF Control, Negative Remote On/Off logic
Logic Low (Module On)
Logic High (Module Off)
ON/OFF Control, Positive Remote On/Off logic
Logic Low (Module Off)
Logic High (Module On)
ON/OFF Current (for both remote on/off logic)
Leakage Current (for both remote on/off logic)
Output Voltage Trim Range
Output Over-Voltage Protection
GENERAL SPECIFICATIONS
MTBF
Weight
0
-40
-55
Max.
Units
75
100
85
125
2828
Vdc
Vdc
Vdc
°C
°C
Vdc
18
48
75
Vdc
16.0
15.0
0.3
17.3
16.3
1
18.0
17.0
1.8
11
Vdc
Vdc
Vdc
A
mA
mA
A2s
mA
dB
Full Load, 18Vin
Vin=48V, Io=0A
Vin=48V, Io=0A
55
7
P-P thru 12µH inductor, 5Hz to 20MHz
120 Hz
50
60
1
Vin=48V, Io=Io.max, Tc=25°C
Io=Io, min to Io, max
Vin=18V to 75V
Tc=-40°C to 85°C
Over sample load, line and temperature
5Hz to 20MHz bandwidth
Vin=48V, Full Load, 10µF ceramic
Vin=48V, Full Load, 10µF ceramic
Vin=18V to75V
Output Voltage 10% Low
52.92
Full load; 5% overshoot of Vout at startup
54.00
55.08
Vdc
55.62
mV
mV
mV
V
3
4.5
mV
mV
A
A
±15
±20
±50
52.38
160
50
0
3.3
48Vin, 10µF ceramic, 0.1A/µs
50% Io.max to 75% Io.max
75% Io.max to 50% Io.max
450
350
200
mV
mV
µs
70
90
mS
mS
µF
0
Vin=48V
Vin=48V
3300
93.5
93.0
%
%
2828
2828
2828
4000
Vdc
Vdc
Vdc
MΩ
pF
300
KHz
10
Von/off
Von/off
-0.7
2.5
0.8
15
V
V
Von/off
Von/off
Ion/off at Von/off=0V
Logic High, Von/off=5V
Pout ≦ max rated power,Io ≦ Io.max
-0.7
2.5
0.8
15
1.5
V
V
mA
-10
10
%
% of nominal Vout
115
140
%
Io=80% of Io, max; Ta=25°C, airflow rate=300LFM
With heat spreader
Refer to Figure 20 for Hot spot 1 location
Over-Temperature Shutdown (Without heat spreader)
(48Vin,80% Io, 200LFM,Airflow from Vin- to Vin+)
Refer to Figure 23 for Hot spot 2 location
Over-Temperature Shutdown (With heat spreader)
(48Vin,80% Io, 200LFM,Airflow from Vin- to Vin+)
Over-Temperature Shutdown ( NTC resistor )
Refer to Figure 20 for NTC resistor location
Note: Please attach thermocouple on NTC resistor to test OTP function, the hot spots’ temperature is just for reference.
DS_H36SA54003_04222020
Typ.
10.3
96
Mhours
hours
grams
136
°C
123
°C
130
°C
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P2
ELECTRICAL CHARACTERISTICS CURVES
Figure 1: Efficiency vs. load current for minimum, nominal, and
maximum input voltage at 25°C.
Figure 2: Power dissipation vs. load current for minimum,
nominal, and maximum input voltage at 25°C.
Figure 3: Full load input characteristics at room temperature.
DS_H36SA54003_04222020
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P3
ELECTRICAL CHARACTERISTICS CURVES
For Negative Remote On/Off Logic
Figure 4: Turn-on transient at zero load current (20ms/div).
Vin=48V. Top Trace: Vout; 10V/div; Bottom Trace: ON/OFF
input: 5V/div.
Figure 5: Turn-on transient at full load current (20ms/div).
Vin=48V. Top Trace: Vout: 10V/div; Bottom Trace: ON/OFF
input: 5V/div.
For Input Voltage Start up
Figure 6: Turn-on transient at zero load current (40 ms/div).
Top Trace: Vout; 10V/div; Bottom Trace: input voltage: 30V/div
DS_H36SA54003_04222020
Figure 7: Turn-on transient at full load current (40 ms/div).
Top Trace: Vout; 10V/div; Bottom Trace: input voltage:30V/div.
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P4
ELECTRICAL CHARACTERISTICS CURVES
Figure 8: Output voltage response to step-change in load
current (50%-75% of Io, max; di/dt = 0.1A/µs; Vin=48V). Load
cap: 10µF ceramic capacitor. Top Trace: Vout (0.3V/div,
200us/div), Bottom Trace: Iout (1A/div). Scope measurement
should be made using a BNC cable (length shorter than 20
inches). Position the load between 51 mm to 76 mm (2 inches
to 3 inches) from the module
Figure 9: Output voltage response to step-change in load
current (75%-50% of Io, max; di/dt = 0.1A/µs; Vin=48V). Load
cap: 10µF ceramic capacitor. Top Trace: Vout (0.3V/div,
200us/div), Bottom Trace: Iout (1A/div). Scope measurement
should be made using a BNC cable (length shorter than 20
inches). Position the load between 51 mm to 76 mm (2 inches
to 3 inches) from the module
100uF
Figure 10: Test set-up diagram showing measurement points
for Input Terminal Ripple Current and Input Reflected Ripple
Current.
Note: Measured input reflected-ripple current with a simulated
source Inductance (LTEST) of 12 μH. Capacitor Cs offset
possible battery impedance. Measure current as shown above.
DS_H36SA54003_04222020
Figure 11: Input Terminal Ripple Current, ic, at max output
current and nominal input voltage with 12µH source impedance
and 100µF electrolytic capacitor (500 mA/div，4us/div).
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P5
ELECTRICAL CHARACTERISTICS CURVES
Figure 12: Input reflected ripple current, is, through a 12µH
source inductor at nominal input voltage and max load current
(20mA/div，2us/div).
Figure 13: Output voltage noise and ripple measurement test
setup.
Figure 14: Output voltage ripple at nominal input voltage and
max load current (50 mV/div, 2us/div)
Load capacitance: 10µF ceramic capacitor Bandwidth: 20 MHz.
Figure 15: Output voltage vs. load current showing typical
current limit curves and converter shutdown points.
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DESIGN CONSIDERATIONS
Safety Considerations
Input Source Impedance
The impedance of the input source connecting to the
DC/DC power modules will interact with the modules
and affect the stability. A low ac-impedance input source
is recommended. If the source inductance is more than
a few μH, we advise 220μF electrolytic capacitor (ESR <
0.7 Ω at 100 kHz) mounted close to the input of the
module to improve the stability.
Layout and EMC Considerations
Delta’s DC/DC power modules are designed to operate
in a wide variety of systems and applications. For design
assistance with EMC compliance and related PWB
layout issues, please contact Delta’s technical support
team. An external input filter module is available for
easier EMC compliance design. Below is the reference
design for an input filter tested with H36SA54003 to meet
class B in CISSPR 22.
Schematic and Components List
C1=C2= 4.4uF ceramic capacitor
C3=0.1uF ceramic capacitor
CY1=CY2=CY3=CY4=10nF
C4=100uF Electrolytic capacitor
L1=L2=0.473mH common chock(Pulse P0502)
The power module must be installed in compliance with
the spacing and separation requirements of the
end-user’s safety agency standard, i.e., UL60950-1,
CSA C22.2 NO. 60950-1 2nd and IEC 60950-1 2nd :
2005 and EN 60950-1 2nd: 2006+A11+A1: 2010, if the
system in which the power module is to be used must
meet safety agency requirements.
Basic insulation based on 75 Vdc input is provided
between the input and output of the module for the
purpose of applying insulation requirements when the
input to this DC-to-DC converter is identified as TNV-2 or
SELV. An additional evaluation is needed if the source is
other than TNV-2 or SELV.
When the input source is SELV circuit, the power module
meets SELV (safety extra-low voltage) requirements. If
the input source is a hazardous voltage which is greater
than 60 Vdc and less than or equal to 75 Vdc, for the
module’s output to meet SELV requirements, all of the
following must be met:
The input source must be insulated from the ac
mains by reinforced or double insulation.
The input terminals of the module are not operator
accessible.
A SELV reliability test is conducted on the system
where the module is used, in combination with the
module, to ensure that under a single fault,
hazardous voltage does not appear at the module’s
output.
When installed into a Class II equipment (without
grounding), spacing consideration should be given to
the end-use installation, as the spacing between the
module and mounting surface have not been evaluated.
The power module has extra-low voltage (ELV) outputs
when all inputs are ELV.
Test Result:Vin=48V,Io=3A
dBμV
80.0
Limits
55022MQP
55022MAV
70.0
60.0
50.0
40.0
Transducer
8130
Traces
PK+
AV
30.0
20.0
10.0
0.0
150 kHz
1 MHz
10 MHz
30 MHz
This power module is not internally fused. To achieve
optimum safety and system protection, an input line fuse
is highly recommended. The safety agencies require a
normal-blow fuse with 30A maximum rating to be
installed in the ungrounded lead. A lower rated fuse can
be used based on the maximum inrush transient energy
and maximum input current.
Soldering and Cleaning Considerations
Post solder cleaning is usually the final board assembly
process before the board or system undergoes electrical
testing. Inadequate cleaning and/or drying may lower the
reliability of a power module and severely affect the
Blue Line is quasi peak mode;green line is average mode.
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P7
reliability of a power module and severely affect the
finished circuit board assembly test. Adequate cleaning
and/or
drying
is
especially
important
for
un-encapsulated and/or open frame type power
modules. For assistance on appropriate soldering and
cleaning procedures, please contact Delta’s technical
support team.
Vi(+)
Vo(+)
Sense(+)
ON/OFF
trim
Rload
Sense(-)
Vi(-)
Vo(-)
FEATURES DESCRIPTIONS
Over-Current Protection
Figure 16: Remote on/off implementation
The modules include an internal output over-current
protection circuit, which will endure current limiting for
an unlimited duration during output overload. If the
output current exceeds the OCP set point, the modules
will shut down (hiccup mode).
The modules will try to restart after shutdown. If the
overload condition still exists, the module will shut down
again. This restart trial will continue until the overload
condition is corrected.
Output Voltage Adjustment (TRIM)
To increase or decrease the output voltage set point,
connect an external resistor between the TRIM pin and
the Vout+ or Vout-. The TRIM pin should be left open if
this feature is not used.
Over-Voltage Protection
The modules include an internal output over-voltage
protection circuit, which monitors the voltage on the
output terminals. If this voltage exceeds the over-voltage
set point, the protection circuit will constrain the max
duty cycle to limit the output voltage, if the output
voltage continuously increases the modules will shut
down, and then restart after a hiccup-time (hiccup
mode).
Over-Temperature Protection
The over-temperature protection consists of circuitry
that provides protection from thermal damage. If the
temperature exceeds the over-temperature threshold
the module will shut down.The module will restart after
the temperature is within specification.
Figure 17: Circuit configuration for trim-up (increase output
voltage)
If the external resistor is connected between the TRIM
and Vout (+) pins, the output voltage set point
increases (Fig. 17). The external resistor value
required to obtain a percentage of output voltage
change △% is defined as:
Rtrim up
Vo (100 ) 100
2K
1.24
Remote On/Off
Ex. When Trim-up +10% (54V×1.1=59.4V)
The remote on/off feature on the module can be 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.
Rtrim up
54 (100 10) 100
2 467K
1.24 10
10
Remote on/off can be controlled by an external switch
between the on/off terminal and the Vi (-) terminal. The
switch can be an open collector or open drain. For
negative logic if the remote on/off feature is not used,
please short the on/off pin to Vi (-). For positive logic if
the remote on/off feature is not used, please leave the
on/off pin to floating.
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Output Voltage Adjustment (TRIM)
THERMAL CONSIDERATIONS
Thermal management is an important part of the system
design. To ensure proper, reliable operation, sufficient
cooling of the power module is needed over the entire
temperature range of the module. Convection cooling is
usually the dominant mode of heat transfer.
Hence, the choice of equipment to characterize the
thermal performance of the power module is a wind
tunnel.
Thermal Testing Setup
Figure 18: Circuit configuration for trim-down (decrease output
voltage)
If the external resistor is connected between the TRIM
and Vout (-), the output voltage set point decreases
(Fig. 18). The external resistor value required to obtain
a percentage of output voltage change △% is defined
as
100
Rtrim down
2K
Ex. When Trim-down -10% (54V×0.9=48.6V)
100
Rtrim down
2 K 8K
10
Delta’s DC/DC power modules are characterized in
heated vertical wind tunnels that simulate the thermal
environments encountered in most electronics
equipment. This type of equipment commonly uses
vertically mounted circuit cards in cabinet racks in which
the power modules are mounted.
The following figure shows the wind tunnel
characterization setup. The power module is mounted
on a 185mmX185mm,70μm (2Oz),6 layers test PWB
and is vertically positioned within the wind tunnel. The
space between the neighboring PWB and the top of the
power module is constantly kept at 6.35mm (0.25’’).
PWB
FANCING PWB
MODULE
When using remote sense and trim, the output voltage
of the module is usually increased, which increases the
power output of the module with the same output
current.
50.8(2.00")
Care should be taken to ensure that the maximum
output power of the module remains at or below the
maximum rated power.
AIR VELOCITY
AND AMBIENT
TEMPERATURE
SURED BELOW
THE MODULE
AIR FLOW
Note: Wind Tunnel Test Setup Figure Dimensions are in millimeters and (Inches)
Figure 19: Wind tunnel test setup
Thermal Derating
Heat can be removed by increasing airflow over the
module. To enhance system reliability, the power
module should always be operated below the maximum
operating temperature. If the temperature exceeds the
maximum module temperature, reliability of the unit may
be affected.
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THERMAL CURVES
THERMAL CURVES
(WITHOUT HEAT SPREADER)
(WITH HEAT SPREADER)
NTC RESISTOR
HOT SPOT1
AIRFLOW
AIRFLOW
Figure 20: * Hot spot 1& NTC resistor temperature measured
points. The allowed maximum hot spot 1 temperature is
defined at 120℃
Output Current(A)
Figure 23: * Hot spot 2 temperature measured point. The
allowed maximum hot spot 2 temperature is defined at 108℃
H36SA54003(Standard) Output Current vs. Ambient Temperature and Air Velocity
@Vin = 24V (Either Orientation)
3.0
Output Current(A)
H36SA54003(Standard) Output Current vs. Ambient Temperature and Air Velocity
@Vin = 24V (Either Orientation,With Heat Spreader)
3.0
Natural
Convection
Natural
Convection
2.5
2.5
100LFM
100LFM
2.0
200LFM
2.0
200LFM
300LFM
300LFM
1.5
1.5
400LFM
400LFM
1.0
1.0
500LFM
500LFM
600LFM
0.5
0.5
0.0
0.0
25
30
35
40
45
50
55
60
65
70
Figure 21: Output current vs. ambient temperature and air
velocity @Vin=24V(Either Orientation, without heat spreader)
Output Current(A)
25
75
80
85
Ambient Temperature (℃)
30
35
40
45
50
55
60
65
70
75
80
85
Ambient Temperature (℃)
Figure 24: Output current vs. ambient temperature and air
velocity @Vin=24V(Either Orientation, with heat spreader)
H36SA54003(Standard) Output Current vs. Ambient Temperature and Air Velocity
@Vin = 48V (Either Orientation)
Output Current(A)
H36SA54003(Standard) Output Current vs. Ambient Temperature and Air Velocity
@Vin = 48V (Either Orientation,With Heat Spreader)
3.0
3.0
Natural
Convection
Natural
Convection
2.5
2.5
100LFM
100LFM
2.0
2.0
200LFM
200LFM
1.5
1.5
300LFM
300LFM
400LFM
1.0
1.0
0.5
0.5
0.0
0.0
25
30
35
40
45
50
55
60
65
70
75
80
85
Ambient Temperature (℃)
Figure 22: Output current vs. ambient temperature and air
velocity @Vin=48V(Either Orientation,without heat spreader)
DS_H36SA54003_04222020
25
30
35
40
45
50
55
60
65
70
75
80
85
Ambient Temperature (℃)
Figure 25: Output current vs. ambient temperature and air
velocity @Vin=48V(Either Orientation,with heat spreader)
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P10
MECHANICAL DRAWING
For modules with through-hole pins and the optional heatspreader, they are intended for wave soldering assembly
onto system boards; please do not subject such modules through reflow temperature profile.
Note: All pins are copper alloy with matte Tin(Pb free) plated over Nickel under plating.
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RECOMMENDED LAYOUT
1
Vin+
Vout+
9
2 ON/ OFF Sense(+)(OPTIONAL) 8
TRIM(OPTIONAL)
7
3
CASE Sense(- )(OPTIONAL) 6
4
Vin-
Vout-
5
Soldering method
Generally, as the most common mass soldering method for the solder attachment, wave soldering is used for
through-hole power modules and reflow soldering is used for surface-mount ones. Delta recommended soldering
methods and process parameters are provided in this document for solder attachment of power modules onto
system board. SAC305 is the suggested lead-free solder alloy for all soldering methods. The soldering
temperature profile presented in this document is based on SAC305 solder alloy.
Reflow soldering is not a suggested method for through-hole power modules due to many process and
reliability concerns. If you have this kind of application requirement, please contact Delta sales or FAE for further
confirmation.
Wave Soldering (Lead-free)
Delta’s power modules are designed to be compatible with single-wave or dual wave soldering. The suggested
soldering process must keep the power module’s internal temperature below the critical temperature of 217℃
continuously. The recommended wave-soldering profile is shown below:
Note: The temperature is measured on solder joint of pins of power module.
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The typical recommended (for double-side circuit board) preheat temperature is 115+/-10℃ on the top side
(component side) of the circuit board. The circuit-board bottom-side preheat temperature is typically recommended
to be greater than 135℃ and preferably within 100℃ of the solder-wave temperature. A maximum recommended
preheat up rate is 3℃ /s. A maximum recommended solder pot temperature is 255+/-5℃ with solder-wave dwell
time of 3~6 seconds. The cooling down rate is typically recommended to be 6℃/s maximum.
Hand Soldering (Lead Free)
Hand soldering is the least preferred method because the amount of solder applied, the time the soldering iron
is held on the joint, the temperature of the iron, and the temperature of the solder joint are variable. The
recommended hand soldering guideline is listed in Table below. The suggested soldering process must keep the
power module’s internal temperature below the critical temperature of 217℃ continuously.
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PART NUMBERING SYSTEM
H
36
S
Form
Input
Factor
Voltage
Outputs
H - Half
36 -
S - Single
Brick
18V~75V
A
540
03
N
N
F
Output
Output
ON/OFF
Pin
Pin
Series
Voltage
Current
Logic
Length
assigment
A-
540 - 54V
03 - 3A
N - Negative
K - 0.110”
F - RoHS 6/6
P - Positive
N - 0.145”
(Lead Free)
Number of Product
Series
number
H
H
Heat spreader(threaded hole)，
NO SENSE,NO TRIM
C
Heat spreader(threaded hole)，
With SENSE,With TRIM
G
Heat spreader (through hole)，
With SENSE,With TRIM
R - 0.170”
MODEL LIST
MODEL NAME
INPUT
OUTPUT
EFF @ 100% LOAD
H36SA54003NNFH
18V~75V
11A
54V
3A
93.5% @ 48Vin
H36SA54003NNFC
18V~75V
11A
54V
3A
93.5% @ 48Vin
H36SA54003NNFG
18V~75V
11A
54V
3A
93.5% @ 48Vin
Default remote on/off logic is negative and pin length is 0.145”.
For different remote on/off logic and pin length, please refer to part numbering system above or contact your local sales office.
For modules with through-hole pins and the optional heatspreader, they are intended for wave soldering assembly onto system
boards; please do not subject such modules through reflow temperature profile.
CONTACT: www.deltaww.com/dcdc
Email: dcdc@deltaww.com
USA:
Telephone:
East Coast: 978-656-3993
West Coast: 510-668-5100
Fax: (978) 656 3964
Europe:
Phone: +31-20-655-0967
Fax: +31-20-655-0999
Asia & the rest of world:
Telephone: +886 3 4526107
ext 6220~6224
Fax: +886 3 4513485
WARRANTY
Delta offers a two (2) year limited warranty. Complete warranty information is listed on our web site or is available upon
request from Delta.
Information furnished by Delta is believed to be accurate and reliable. However, no responsibility is assumed by Delta
for its use, nor for any infringements of patents or other rights of third parties, which may result from its use. No license
is granted by implication or otherwise under any patent or patent rights of Delta. Delta reserves the right to revise these
specifications
DS_H36SA54003_04222020
E-mail: dcdc@deltaww.com
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