H HiTRON
ON-BOARD DC-DC CONVERTER HALF-BRICK BASE PLATE
POWER MODULES INDUSTRIAL GRADE 165-200 WATTS
SINGLE & DUAL OUTPUT HDH165-24B OR 48B-S & D SERIES
FEATURES:
SINGLE OUTPUT
WIDE 2:1 INPUT RANGE
1500VDC ISOLATION
STANDARD HALF-BRICK PACKAGE
HIGH-EFFICIENCY POWER MODULE
UNDER-VOLTAGE LOCKOUT
DESIGNED TO MEET INTERNATIONAL
SAFETY STANDARDS
SPECIFICATION
INPUT SPECIFICATION
Input Range:
Wide 2:1 Input DC Range 36-72Vdc
or 18-36 Vdc.
Input Voltage:
Nominal 48Vdc or 24Vdc.
Input Current:
Typical 7.84A full load and 0.2A no-load @
24Vdc nominal input. Typ.3.92A full load
and 0.1A no-load @ 48Vdc nominal input.
Input Fuse:
Use external fuse.
Soft-Start:
Installed.
Inrush Current:
4A @ 48Vdc. 8A @ 24Vdc.
Input Filter:
Pi-Network for EMI suppression.
Under-Voltage Protection (UVP):
Lock-out activated at
34-35.5Vdc input @48Vdc nominal input.
17.5-17.8Vdc input @24Vdc nominal input.
Input OVP:
74-76Vdc @48Vdc nominal input.
37-38Vdc @24Vdc nominal.
Input Reflected Ripple Current:
20mA pk-pk @48 Vdc.
Isolation Voltage:
1,500Vdc input-output.
Remote On/Off:
TTL/CMOS-Compatible input control.
Positive Logic
version for Standard set up:
ON(Enable)=Open(or
2.5-5.0Vdc above-Vin)
OFF(Disable)=Short(or
0-0.8Vdc above-Vin)
Negative Logic
version option available by adding a
“N” suffix to the end of Model #.
Remark: Voltage refer to –Input (-Vin).
OUTPUT SPECIFICATION
Output Voltage:
See Ratings Chart.
Output Current:
See Ratings Chart.
Output Wattage:
165-200Watt continuous typical.
Line Regulation:
Various with input & output voltages.
± 0.1% typical.
Load Regulation:
Various with output voltages.
±0.5% typical.
Noise & Ripple:
1% rms typical.
OVP:
Built-in (latch).
Adjustability:
Maybe externally trimmed with
fixed resistor or trim pot.
Overload Protection (OLP):
Fully protected against overload and short circuit.
OLP set at typical 130% rating output wattage load.
Consult the factory for special OLP setting.
Operating Temperature:
-40 to +100°C (base plate).
Power derating details please refer to the Derating Chart.
Storage Temperature:
-55 to +125 °C.
Temperature Coefficient:
± 0.02%/°C.
Humidity:
Up to 95% RH, Non-Condensing.
Cooling:
At least 100LFM moving air is recommended for
full load > +10°C in a confined area. Air flow vs. power
desrating details please refer to the Derating Chart.
Industrial Grade.
GENERAL SPECIFICATION
Efficiency:
87.5-89% typical, various with input & output.
Switching Frequency:
Fixed frequency 330K Hz.
Circuit Topology:
330K Hz. Forward Circuit.
Transient Response:
Peak transient <220mV and recovers
Within 1mS after 25% load-change.
Safety Standard:
IEC60950 Class I.
Case:
Aluminum base plate with metal standoffs.
Power Density:
60 Watts / Cubic inch typical.
NOTE:
(1) All measurements are at nominal input, full load, and +25°C unless otherwise spec.
(2) Line Regulation measured from High to Low Lines at full load.
(3) Load Regulation measured from Full-Load (F-L) to Half-Load(H-L)at nominal input.
(4) Correct fuse size by calculating the max. DC current drain at low Line input & adding 20-25% for desired fuse size.
Due to requests in market and advances in technology, specifications subject to change without notice.
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