The new HLS30 series of high-density, single-output DC/DC converters, convert standard telecom and
datacom voltages into isolated low voltage outputs. High efficiencies and a patent-pending board design
create superior thermal transfer that enhances product reliability and eliminates the need for a heatsink.
This product is intended for integration into end-use equipment. All the required procedures for CE marking of end-use equipment
should be followed
.
Input
current,
max
ADC
Output
voltage
VDC
Output rated
current I
rated
ADC
Output
Ripple/Noise,
mV p-p
Typical
Efficiency
@ I
rated
%
Rev. 10/01
Page 1 of 8
HLS30 Series – 30A Half-Brick DC/DC Converter
48V Input Data Sheet
5.0V, 3.3V, 2.5V Output
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings may cause performance degradation, adversely effect
long-term reliability and cause permanent damage to the converter.
ParameterConditions/DescriptionMinMaxUnits
Input voltageContinuous
Transient, 100mS
Operating TemperatureAt 100% load-40100
Storage Temperature-40125
ON/OFF Control VoltageReferenced to -Vin50VDC
75
100
VDC
VDC
°C
°C
Environmental and Mechanical Specifications
All specifications apply over specified input voltage, output load and temperature range, unless otherwise
noted.
ParameterConditions/DescriptionMinNomMaxUnits
ShockHalfsine wave, 3 axes50g
Sinusoidal VibrationGR-63-Core, Section 5.A.21
Weight1.6/46Oz/g
Water WashingStandard processYes
MTBFPer Bellcore TR-NWT-0003321,780kHrs
Isolation Specifications
All specifications apply over specified input voltage, output load and temperature range, unless otherwise
noted.
ParameterConditions/DescriptionMinNomMaxUnits
Insulation Safety RatingBasic
Isolation Voltage1500VDC
Isolation Resistance10MOhm
Isolation Capacitance1100pF
Input Specifications
All specifications apply over specified input voltage, output load and temperature range, unless otherwise
noted.
HLS30 Series – 30A Half-Brick DC/DC Converter
48V Input Data Sheet
5.0V, 3.3V, 2.5V Output
Output Specifications
All specifications apply over specified input voltage, output load and temperature range, unless otherwise
noted.
ParameterConditions/DescriptionMinNomMaxUnits
Output Voltage Setpoint AccuracyVin=Vin.nom, Full Load-11%Vout
Output Current*330ADC
Line RegulationVin.min to Vin.max, Iout.max0.2%Vout
Load RegulationVin=Vnom, Iout.min to
Iout.max
Total output voltage regulationOver all input voltage, load,
and temperature conditions
Remote Sense Headroom0.5VDC
Dynamic Regulation
Peak Deviation
Settling Time
Admissible Load CapacitanceIout.max, Nom Vin30,000
Output Current Limit Threshold**Vout≤0.97Vout.nom110140%Iout
Switching Frequency270kHz
Overvoltage Protection,
Non Latching
Trim RangeIout.max, Vin=Vnom90110%Vout
50-75% load step change
to 1% error band
Over all input voltage and
load conditions
-22%Vout
120140%Vout
0.2%Vout
8
150
%Vout
µS
µF
* At Iout<Iout.min, the output may contain low frequency component that exceeds ripple specifications.
** Overcurrent protection is non-latching with auto recovery.
Feature Specifications
All specifications apply over specified input voltage, output load and temperature range, unless otherwise
noted.
ParameterConditions/DescriptionMinNomMaxUnits
Shutdown (ON/OFF)
Negative Logic
- Converter ON
- Source Current
- Converter OFF
-Open Circuit Voltage
Positive Logic
- Converter ON
- Open Circuit Voltage
- Converter OFF
- Source Current
Overtemperature
Protection
On/Off signal is low – converter is ON
ON/OFF pin is connected to -Vin
ON/OFF pin is floating
On/Off signal is low –converter is OFF
ON/OFF pin is floating
ON/OFF pin is connected to -Vin
Average PCB Temp. – Shut down
- Recover
-1.0
3.5
3.5
-1.0
0.85
2
3
90
1.8
50
50
1.8
0.46
VDC
mADC
VDC
VDC
VDC
VDC
VDC
mADC
°C
Rev. 10/01
Page 3 of 8
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