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SMT40C Series
DC-DC CONVERTERS * * * * * * C Class Non-isolated
12 Vin single output
1 NEW Product
* * *
40 A current rating Input voltage range: 10.2 Vdc - 13.8 Vdc Output voltage range: 0.9 Vdc - 5.0 Vdc Industry leading value * Cost optimized design Excellent transient response Output voltage adjustability * Pathway for future upgrades * Supports silicon voltage migration * Resulting in reduced design-in and qualification time Designed in reliability: MTBF of >4 million hours per Telcordia SR-332 Current share Available RoHS compliant
The SMT40C Series is a new high density open frame non-isolated converter for spacesensitive applications. Each model has a wide input range of 10.2 Vdc to 13.8 Vdc and offers a wide 0.9 Vdc to 5.0 Vdc output voltage range with a 40 A load. An external resistor adjusts the output voltage from its pre-set value of 0.9 V to any value up to 5 V. Typical efficiencies are 92% at full load conditions. The SMT40C series offers remote ON/OFF and overcurrent protection as standard. With full international safety approval including EN60950 and UL/cUL60950, the SMT40C reduces compliance costs and time to market. All specifications are typical at nominal input Vin = 12 V, full load at 25 C unless otherwise stated
2 YEAR WARRANTY
SPECIFICATIONS
OUTPUT SPECIFICATIONS Voltage adjustability (See Note 5) 0.9-5.0 Vdc 3.0% 0.2% max. 1.5% max. 0 A/40 A At turn-on At turn-off (See Note 1) 1.0% max. 100 mV max. 50 mV pk-pk 15 mV rms 75 mV max. deviation 50 s recovery to within regulation band Full load 10%
GENERAL SPECIFICATIONS Efficiency Switching frequency Approvals and standards Material flammability Weight Coplanarity MTBF Telcordia SR-332, method II @ 40 C Fixed (See Note 7) 92% typ. 300 kHz typ. TUV Product Services IEC60950, UL/cUL60950 UL94V-0 28.3 g (1.0 oz) 150 m 4,585,991 hours
Output setpoint accuracy 1.0% trim resistors Line regulation Load regulation Min/max load Overshoot Undershoot Ripple and noise 5 Hz to 20 MHz Transient response (See Note 2) Current share INPUT SPECIFICATIONS Input voltage range Input current Input current (max.) Input reflected ripple Remote ON/OFF Logic compatibility ON OFF Start-up time (See Note 8) Turn ON threshold Turn OFF threshold Power up Remote ON/OFF (See Note 4) Minimum load Remote OFF Low line to high line Full load to min. load
ENVIRONMENTAL SPECIFICATIONS Thermal performance (See Note 9) Operating ambient, temperature Non-operating 0 C to +80 C -40 C to +125 C
PROTECTION 10.2-13.8 Vdc 290 mA 30 mA 22 A max @ lo max and Vin = 10.2 V 150 mA pk-pk Positive logic >2.4 Vdc <0.8 Vdc <30 ms <30 ms 9.0 Vdc typ. 7.6 Vdc typ. Short-circuit Over-temperature RECOMMENDED SYSTEM CAPACITANCE Input capacitance Output capacitance (See Note 10) 2 x 270 F/20 m ESR max. (See Note 10) 3 x 680 F/10 m ESR max. Foldback, non-latching Hiccup, non-latching
International Safety Standard Approvals
UL/cUL CAN/CSA 22.2 No. 60950 UL 60950 File No. E139421 TUV Product Service (EN60950:2000) Certificate No. B 04 08 19870 228 CB report and certificate to IEC60950-US/6415C/UL
File Name: smt40c.pdf Rev (04): 16 Dec 2005
SMT40C Series
DC-DC CONVERTERS C Class Non-isolated
OUTPUT POWER (MAX.) 200 W INPUT VOLTAGE 10.2-13.8 Vdc OVP N/A OUTPUT OUTPUT CURRENT VOLTAGE (11) (MIN.) 0.9-5.0 Vdc 0A
12 Vin single output
2 NEW Product
For the most current data and application support visit www.artesyn.com/powergroup/products.htm
OUTPUT CURRENT (MAX.) 40 A
EFFICIENCY 92%
REGULATION LINE 0.2% LOAD 1.5%
MODEL NUMBER (13,14) SMT40C-12SADJJ
Part Number System with Options
SMT40C-12SADJ-SJ
Packaging Options (13) J = Pb-free (RoHS 6/6 compliant) Current Sharing (12) No Suffix = Non-isolated Suffix `-S' = Isolated Number of Outputs SADJ = Single Adjustable Output Input Voltage 12 = 10.2 Vdc to 13.8 Vdc
Product Family SMT = Surface Mount Rated Output Current 40 = 40Amps Performance C = Cost Optimized
Output Voltage Adjustment of the SMT40C Series
The ultra-wide output voltage trim range offers major advantages to users who select the SMT40C series. It is no longer necessary to purchase a variety of modules in order to cover different output voltages. The output voltage can be trimmed in a range of 0.9 Vdc to 5.0 Vdc. When the SMT40C series converter leaves the factory the output has been adjusted to the default voltage of 0.9 V.
Notes
1 2 3 4 5 6 7 Measured as per recommended set-up. 2 x Cin = 270 F (20 m ESR max, 3 x Cout = 680 F (10 m ESR max). di/dt = 10 A/s, Vin = Nom, Tc = 25 C, load change = 0.50 lo max. to 0.75 lo max. and 0.75 lo max. to 0.50 lo max. External input fusing is recommended. Measured with external filter. See Application Note 170 for details. Uses external resistor from trim pin to output ground. See Application Note 170 for details. Signal line assumed <3 m in length. This product is only for inclusion by professional installers within other equipment and must not be operated as a stand alone product. Power-up is the time from application of dc input to Power Good enabled. Remote ON/OFF is from ON/OFF asserted high to power good enabled. See Application Note 170 for operation above 50 C. See Application Note 170 for ripple current requirements. These models have a wide trim output. The unit has an output of 0.9 Vdc to 5 Vdc. An external resistor adjusts the output voltage. For redundant current sharing applications that use ORing diodes to separate the outputs, please add the suffix `-S' to the part number, e.g. SMT40C-12SADJ-SJ. Please refer to Application Note 170 for further details. TSE RoHS 5/6 (non Pb-free) compliant versions may be available on special request, please contact your local sales representative for details. NOTICE: Some models do not support all options. Please contact your local Artesyn representative or use the on-line model number search tool at http://www.artesyn.com/powergroup/products.htm to find a suitable alternative.
File Name: smt40c.pdf Rev (04): 16 Dec 2005
8
9 10 11 12
13
14
SMT40C Series
DC-DC CONVERTERS C Class Non-isolated
2.280 (57.91)
12 Vin single output
3 NEW Product
For the most current data and application support visit www.artesyn.com/powergroup/products.htm
0.43 (10.8)
1.450 (36.83)
0.105 (2.67) 0.090 (2.29) PIN 1 2.100 (53.34) 15 x 0.140 (3.56)
0.062 (1.57)PCB REF
0.011 (0.27) Typ
0.045 (1.13)
PIN 16
2 x 1.345 (3417)
0.485 (12.33)
PIN 18 1.140 (28.96)
All dimensions in inches (mm) All tolerance 0.010in (0.25mm) unless otherwise stated PIN 17
PIN CONNECTIONS PIN NO. 1 2 3 4 5 6 7 8 9 FUNCTION Current Share Trim GND GND GND SenseSense+ Remote ON/OFF Power Good PIN NO. 10 11 12 13 14 15 16 17 18 FUNCTION Vin Vin Vout Vout GND Vout GND Mechanical Support Mechanical Support
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. The information and specifications contained or described herein are subject to change in any manner at any time 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 Datasheet
www.artesyn.com
File Name: smt40c.pdf Rev (04): 16 Dec 2005

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