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Quarter-Brick Series
Dual output
DC/DC CONVERTERS * * * * * * * * * * High Current, High Efficiency, Low Profile NEW Product 1 Two independent outputs High full load efficiency Wide ambient temperature range of -40 C to +85 C Up to 100% load imbalance Tracking, monotonic start-up Starts into pre-biased outputs Basic insulation system Over-voltage and over-temperature protection 100 V, 100 ms input voltage transient response Secondary side control, no optocouplers, fast transient load response * Available RoHS compliant
These are new high efficiency, open-frame, isolated 40 A converters in an industry standard dual quarter-brick footprint. These converters deliver high output current at low voltages, and excellent useable power density for today's high end applications. This series features an input voltage range of 36 Vdc to 75 Vdc and output voltages of 1.2 V/3.3 V, 1.5 V/3.3 V, 1.8 V/3.3 V 2.5 V/3.3 V, and 5 V/3.3 V. The output voltage on each model is adjustable from 90% to 110% of the nominal value. Typical efficiencies are 90%. This series also has a remote ON/OFF capability. Over-current and over-voltage protection features are included as standard. Designed to meet international safety agency approvals, including EN60950-1 and UL/cUL60950, this series reduces compliance costs and time to market.
All specifications are typical at nominal input, full load at 25 C ambient unless otherwise stated
Patent No. 6,765,810 Other Patents Pending
2 YEAR WARRANTY
SPECIFICATIONS
OUTPUT SPECIFICATIONS Voltage adjustability Minimum load Ripple and noise Short circuit protection Turn-on characteristics INPUT SPECIFICATIONS Input voltage range Input current 48 V nominal No load Remote OFF 36-75 Vdc 80 mA max. 6 mA max. Open collector ref to -input Open circuit or >2.4 Vdc <0.4 Vdc 35.5 V (typ.) 33.5 V (typ.) 14 ms (typ.) 14 ms (typ.) Both outputs Both outputs Both outputs 20 MHz bandwidth 10% min. 0% 50 mV pk-pk max. 15 mV rms max. Both outputs Monotonic
EMC CHARACTERISTICS Immunity: ESD air enclosure Radiated field enclosure Conducted Input transients EN61000-4-2 8 kV/6 kV(O/P within spec.) EN61000-4-3 10 V/m (O/P within spec.) EN61000-4-6 10 V (O/P within spec.) 100 V, 100 ms
GENERAL SPECIFICATIONS Efficiency Basic insulation Switching frequency Approvals and standards Material flammability Weight MTBF Input/output Fixed (See Notes 1 and 2) See table 2250 Vdc 480 kHz EN60950-1 VDE UL/cUL 60950 UL94V-0 34 g (1.2 oz) Telcordia Tech SR-332 2,883,816 hours
Active high remote ON/OFF Logic compatibility ON OFF Undervoltage lockout Start-up time Power up Power down
ENVIRONMENTAL SPECIFICATIONS Thermal performance Operating ambient., temperature Non-operating -40 C to +85 C -55 C to +125 C
Power up Remote ON/OFF
PROTECTION Short-circuit Overvoltage Thermal Continuous Non-latching 125 C hot spot temperature with automatic recovery
International Safety Standard Approvals
UL/cUL CAN/CSA 22.2 No. 60950-00 : UL 60950 File No. E135734/60950 VDE Certificate No. 10401-3336-0197
File Name: quarter_brick_dual.pdf Rev (01): 29 Mar 2006
Quarter-Brick Series
Dual output
DC/DC CONVERTERS High Current, High Efficiency, Low Profile NEW Product 2 For the most current data and application support visit www.artesyn.com/powergroup/products.htm
OUTPUT VOLTAGE NOMINAL 1 2 INITIAL SET POINT 1 2
(3)
OUTPUT REGULATION BAND 1 2 CURRENT 1 2
OVP TRIP POINT 1 2
EFFICIENCY (TYP.) MODEL NUMBER (4,5)
QUARTER-BRICK DUAL OUTPUT PERFORMANCE MODELS 1.2 V 3.3 V 1.5 V 3.3 V 1.8 V 3.3 V 2.5 V 3.3 V 1.18-1.22 V 1.48-1.55 V 1.77-1.83 V 2.46-2.54 V 3.25-3.35 V 3.25-3.35 V 3.25-3.35 V 3.25-3.35 V 1.16-1.24 V 1.44-1.55 V 1.75-1.85 V 2.42-2.58 V 3.2-3.4 V 3.2-3.4 V 3.2-3.4 V 3.2-3.4 V 20 A 20 A 20 A 20 A 20 A 20 A 20 A 20 A 1.5 V 1.8 V 2V 3V 4V 4V 4V 4V 90.0% 90.5% 90.5% 90.5% LQD40A48-3V3-1V2J LQD40A48-3V3-1V5J LQD40A48-3V3-1V8J LQD40A48-3V3-2V5J
QUARTER-BRICK DUAL OUTPUT VALUE MODELS 1.2 V 3.3 V 1.5 V 3.3 V 1.8 V 3.3 V 2.5 V 3.3 V 3.3 V 5V 1.18-1.22 V 1.48-1.52 V 1.77-1.83 V 2.46-2.54 V 3.25-3.35 V 3.25-3.35 V 3.25-3.35 V 3.25-3.35 V 3.25-3.35 V 4.92-5.08 V 1.16-1.24 V 1.44-1.55 V 1.75-1.85 V 2.42-2.58 V 3.20-3.40 V 3.2-3.4 V 3.2-3.4 V 3.2-3.4 V 3.2-3.4 V 4.85-5.15 V 15 A 15 A 15 A 15 A 15 A 15 A 15 A 15 A 15 A 10 A 1.5 V 1.8 V 2V 3V 4V 4V 4V 4V 4V 6V 90.0% 90.5% 90.5% 91.0% 91.0% LQD30A48-3V3-1V2J LQD30A48-3V3-1V5J LQD30A48-3V3-1V8J LQD30A48-3V3-2V5J LQD25A48-5V0-3V3J
Part Number System with Options
L Q D 4 0 A 4 8 - 3 V 3 - 1 V 8 R A N J (5)
L = Low Profile Q = 1/4 Brick Number of Outputs D = Dual Rated Output Current (Sum of all outputs) 40 A = 40 Amps Nominal Rated Input Voltage 48 = 48 Volts (36 V to 75 V Range) Output Voltage of V2 3V3 = 3.3 Volts RoHS Compliance (4) J = Pb-free (RoHS 6/6 compliant) Pin Length Options Blank = 0.188" (4.78 mm) N = 0.145" (3.68 mm) K = 0.110" (2.79 mm) Body Height and Package Type A = 0.300" (7.62 mm), Through-Hole, E = 0.340" (8.64 mm), Through-Hole, S = 0.285" (7.24 mm), Surface-Mount Remote ON/OFF Logic No Suffix = Positive Suffix `R' = Negative Output Voltage of V1 1V8 = 1.8 Volts, 1V2 = 1.2 Volts etc.
Notes
1 2 User must provide recommended fuses in order to comply with safety approvals. See Application Note 137. Maximum continuous output power. 90 Watts for LQD40A48-3V3-1V2J models 96 Watts for LQD40A48-3V3-1V5J models 102 Watts for LQD40A48-3V3-1V8J models 116 Watts for LQD40A48-3V3-2V5J models 67.5 Watts for LQD30A48-3V3-1V2J models 72 Watts for LQD30A48-3V3-1V5J models 76.5 Watts for LQD30A48-3V3-1V8J models 87 Watts for LQD30A48-3V3-2V5J models 99.5 Watts for LQD25A48-5V0-3V3J models 3 4 5 Io1 = Imax, Io2 = Imax. TSE RoHS 5/6 (non Pb-free) compliant versions may be available on special request, please contact your local sales representative for details. The part number cannot exceed 18 characters. If the desired part number with options contains 19 characters then the last dash `-' in the part number is removed i.e. LQD25A48-5V0-3V3RAJ becomes LQD25A48-5V03V3RAJ. If the desired part number with options contains 20 characters then all dashes `-' are removed, i.e. LQD25A48-5V03V3RANJ becomes LQD25A485V03V3RANJ.
File Name: quarter_brick_dual.pdf Rev (01): 29 Mar 2006
Quarter-Brick Series
Dual output
DC/DC CONVERTERS High Current, High Efficiency, Low Profile NEW Product 3 For the most current data and application support visit www.artesyn.com/powergroup/products.htm
2.30 [58.4]
2.30 (58.4) 0.145 0.020 (3.68 0.51) 2.000 (50.80)
o0.0400.002 (o1.02 0.05) (7 pls) 0.250 (6.35) 7 6 5 4 0.250 (6.35) 0.125 (3.18) HEIGHT (See Option Table)
0.0570.020 [1.450.51]
2.186 [55.52]
0.055[1.40] x 0.105[2.67] (7 pls)
0.250 [6.35] 1 TOP VIEW 7 6 5 3 4 0.250 [6.35] 0.250 [6.35] HEIGHT 0.285 [7.24] MAX 0.125 [3.18]
TOP VIEW 1.45 (36.8) 0.350 (8.89) 0.350 (8.89) 1 2 3
1.45 [36.8]
0.350 [8.89] 0.350 [8.89]
2
0.250 (6.35)
0.725 0.020 (18.42 0.51)
0.7250.020 [18.420.51]
Lead coplanarity within 0.006 [0.15] MAX
CLEARANCE (See Option Table)
CLEARANCE 0.015 [0.38]
0.188 (4.78)
2.30 [58.4]
o0.0540.003
[y1.370.08] (7 PLS) 2.186 [55.52] 0.067[1.70] x 0.118[3.00] (7 pls) 0.250 [6.35]
2.30 (58.4) 0.145 0.020 (3.68 0.51) 2.000 (50.80)
o0.0540.003 (o1.37 0.08) (7 pls)
0.0570.020 [1.450.51]
0.250 (6.35) 1.45 (36.8) 0.350 (8.89) 0.350 (8.89) 1 2 3 7 6 5 4 0.250 (6.35) 0.250 (6.35) 0.125 (3.18)
Dimensions in Inches (mm) Tolerances (unless otherwise specified) x.xx 0.02 (x.x 0.5) x.xxx 0.010 (x.xx 0.25) 1.45 [36.8]
1 0.350 [8.89] 0.350 [8.89] 2 3
TOP VIEW
7 6 5 4 0.250 [6.35] 0.250 [6.35] 0.125 [3.18]
0.7250.020 [18.420.51]
0.1450.020 [3.680.51] 2.000 [50.80]
0.725 0.020 (18.42 0.51)
RECOMMENDED PCB LAYOUT
Dimensions in Inches (mm) Tolerances (unless otherwise specified) x.xx 0.02 (x.x 0.5) x.xxx 0.010 (x.xx 0.25)
Figure 1 - Through-Hole Mechanical Drawing
Figure 2 - Surface-Mount Mechanical Drawing
PIN CONNECTIONS PIN NUMBER 1 2 3 4 5 6 7 FUNCTION +Vin ON/OFF -Vin O/P 1 O/P RTN Trim O/P 2 OPTION A E DIMENSION OPTIONS STAND OFF HEIGHT 0.030 (0.76) min. 0.070 (1.78) min. BODY HEIGHT 0.300 (7.62) max. 0.340 (8.64) max.
Datasheet (c) Artesyn Technologies(R) 2005 The information and specifications contained in this datasheet are believed to be correct at time of publication. However, Artesyn Technologies accepts no responsibility for consequences arising from printing errors or inaccuracies. Specifications are subject to change without notice. No rights under any patent accompany the sale of any such product(s) or information contained herein.
Please consult our website for the following items: Application Note Longform Data Sheet
www.artesyn.com
File Name: quarter_brick_dual.pdf Rev (01): 29 Mar 2006

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