LQS50A48-3V3REY Emerson Network Power, LQS50A48-3V3REY Datasheet
LQS50A48-3V3REY
Manufacturer Part Number
LQS50A48-3V3REY
Description
165W, 36-75Vin, Single, 3.3V@50A, 1/4 Brick, 91% Eff, Neg, 0.34" Ht, 4.8mm TH, 5/6
Manufacturer
Emerson Network Power
Datasheet
1.LQS50A48-1V2REJ.pdf
(4 pages)
Specifications of LQS50A48-3V3REY
Input Voltage Range
36 V to 75 V
Input Voltage (nominal)
48 V
Number Of Outputs
1
Output Voltage (channel 1)
3.3 V
Output Current (channel 1)
50 A
Package / Case Size
2.3 in x 1.45 in x 0.18 in
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
International Safety Standard Approvals
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This is a new high efficiency, open-frame, low profile, single board, isolated dc-dc converter
series in an industry standard quarter-brick package that provides up to 200 W of output power.
The series delivers very high output current at low voltages, and excellent useable power for
today’s high performance applications. The series features two input voltage ranges of 18 Vdc
to 36 Vdc and 36 Vdc to 75 Vdc and is available with output voltages of 1.2 V, 1.5 V, 1.8 V,
2.5 V, 3.3 V and 5 V. The output voltage is adjustable from 80% to 110% of the nominal value.
The series also has a remote ON/OFF capability. Overcurrent, overvoltage and overtemperature
protection features are included as standard. Full international safety approval including
EN60950-1 VDE and UL/cUL60950, reduces compliance costs and time to market.
All specifications are typical at nominal input, full load at 25 °C ambient unless otherwise stated
DC-DC CONVERTERS
OUTPUT SPECIFICATIONS
Voltage adjustability
Minimum load
Overshoot
Undershoot
Transient response
(See Note 1)
INPUT SPECIFICATIONS
Input voltage range
Input current
Active high remote ON/OFF
Logic compatibility
ON
OFF
Undervoltage lockout
Start-up time
(See Note 2)
Ultra high efficiency topology
Unprecedented useable output power levels
High power density (200 W/in
Wide ambient temperature range, -40 ºC to +85 ºC
80% to 110% output trim
Monotonic start-up in normal and prebiased loads
Basic insulation system
Overvoltage and overtemperature protection
Secondary side control, no optocouplers,
fast transient response
100 V, 100 ms input transient rated
Available RoHS compliant
UL/cUL CAN/CSA 22.2 No. 60950-00 : UL 60950
File No. E135734/60950
VDE Certificate No. 10401-3336-0197
At turn-on and turn-off
24 V nominal
48 V nominal
No load
Remote OFF
Power up
Power down
Power up
Remote ON/OFF
Quarter-Brick Series
High Current, High Efficiency, Low Profile
3
Open collector ref to -input
) open-frame technology
Open circuit or >2.4 Vdc
S i n g l e o u t p u t
85 mA to 150 mA
20 µs recovery
80% to 110%
typ. deviation
35.5 V (typ.)
33.5 V (typ.)
10 ms (typ.)
10 ms (typ.)
18-36 Vdc
36-75 Vdc
<0.4 Vdc
70 mV,
None
None
5 mA
0%
EMC CHARACTERISTICS
Immunity:
ESD air enclosure
Radiated field enclosure EN61000-4-3 10 V/m (O/P within spec.)
Conducted
Input transients
GENERAL SPECIFICATIONS
Basic insulation
Switching frequency
Approvals and
standards
Material flammability
Weight
MTBF
ENVIRONMENTAL SPECIFICATIONS
Thermal performance
PROTECTION
Short-circuit
Overvoltage
Thermal
File Name: quarter_brick_single.pdf Rev (07): 17 Nov 2005
EN61000-4-2 8 kV/6 kV(O/P within spec.)
EN61000-4-6 10 V
100 V, 100 ms
Input/output
Fixed
(See Note 3)
Telcordia Tech SR-332 3,866,933 hours
Operating ambient,
temperature
Non-operating
125 ºC hot spot temperature
SPECIFICATIONS
NEW Product
with automatic recovery
2 YEAR WARRANTY
Other Patents Pending
Patent No. 6,765,810
-55 °C to +125 °C
(O/P within spec.)
-40 °C to +85 °C
EN60950-1 VDE
UL/cUL 60950
37 g (1.30 oz)
Non-latching
Continuous
2250 Vdc
UL94V-0
480 kHz
1
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LQS50A48-3V3REY Summary of contents
Page 1
Quarter-Brick Series DC-DC CONVERTERS High Current, High Efficiency, Low Profile • Ultra high efficiency topology • Unprecedented useable output power levels • High power density (200 W/ open-frame technology • Wide ambient temperature range, -40 ºC to +85 ...
Page 2
... LQS50A48-1V5J ±0.1% ±0. LQS50A48-1V8J ±0.1% ±0. LQS100A48-1V2J ±0.1% ±0. LQS80A48-1V5J ±0.1% ±0. LQS80A48-1V8J ±0.1% ±0. LQS50A48-2V5J ±0.1% ±0. LQS50A48-3V3J ±0.1% ±0. LQS100A48-1V5J ±0.1% ±0. LQS100A48-1V8J ±0.1% ±0. LQS80A48-2V5J ±0.1% ±0. LQS60A48-3V3J ±0.1% ±0. LQS40A48-5V0J ±0.1% ±0. LQS30A24-1V8J ±0.1% ±0.2% ...
Page 3
Quarter-Brick Series DC-DC CONVERTERS High Current, High Efficiency, Low Profile For the most current data and application support visit www.artesyn.com/powergroup/products.htm 2.30 (58.4) 2.000 (50.80) 0.15 (3. 0.300 7 TOP VIEW (7.62) 1. 0.300 (36.8) 5 (7.62) ...
Page 4
Quarter-Brick Series DC-DC CONVERTERS High Current, High Efficiency, Low Profile For the most current data and application support visit www.artesyn.com/powergroup/products.htm 1.45 (36.8) CLEARANCE (See Option Table) 1.45 (36. Mechanical Drawing for Output Current Greater than 50 A PIN ...