H HiTRON
ON-BOARD DC-DC CONVERTER BASE PLATE POWER MODULE
INDUSTRIAL GRADE 40 WATTS SINGLE & MULTIPLE OUTPUT
HDH40-24D OR 48D-S, D, T SERIES
FEATURES:
SINGLE, DUAL & TRIPLE OUTPUT
4:1 ULTRA-WIDE INPUT VOLTAGE
1,500VDC ISOLATION
HEATSINK MOUNT FORMAT
INDUSTRIAL STANDARD PIN-OUT
UNDER-VOLTAGE LOCKOUT
SPECIFICATION
INPUT SPECIFICATION
Input Range/Voltage:
Ultra-wide 4:1 Range.9-36Vdc for
24Vdc nominal input.
Range 18-72Vdc for 48Vdc nominal input.
Input Current:
Various with input range & load.
See Ratings Chart.
Input Fuse:
Use external fuse.
Input Filter:
Pi-Network.
Undervoltage Drop Out:
12Vdc typical.
Isolation Resistor:
1,000 Mega Ohms.
Isolation Voltage:
1,500Vdc for input to output.
1,500Vdc for input to case and output to case.
Shielding:
Five-sided.
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.
Voltage Accuracy:
Typ. main O/P ±1.0%,Aux. O/P ±2.0%.
Line Regulation:
Various with input & output voltage.
±0.5% typical.
Load Regulation:
Various with output voltages
Single O/P: VO1±1.0% typical.
Dual O/P: VO1 ±1.0% & VO2 ±2.0% typical.
Triple O/P: VO1 & VO3 ±2.0%, VO2 ±5.0% typical.
Noise & Ripple:
100mV for 3.3V/5.0V & 1.0% typical
for others output peak to peak.
OVP:
Built-in on main output.
Adjustability:
VO1 O/P may optionally be external trimmed
±3.0% with a fixed resistors or trim-pot.
Overload Protection (OLP):
Fully protected against overload and short circuit.
OLP set at about 125-150% max. load.
Consult 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.
Cooling:
At least 100LFM moving air is recommended for
full load > +25°C room temperature in a confined area.
Air flow vs. Power derating details, please refer to the
Derating Chart.
Industrial Grade only.
GENERAL SPECIFICATION
Efficiency:
75-79% typical, various with input &
output voltages.
Switching Frequency:
Fixed frequency 250K Hz.
Circuit Topology:
Forward Circuit.
Transient Response:
Peak deviation 200mV,
Recovery time <3mSec. @ 25% step load change.
Case:
Aluminum base plate.
Power Density:
7.5 Watts / Cubic inch.
MTBF:
1,000,000 hours, Mil.Std.271, 25°C.
NOTE:
(1) All measurements are at nominal input, full load, and +25°C unless otherwise specified.
(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.
-33-
Embedded System
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EEWORLD
