SPDC400FC12M

SPDC400-4W DC-DC step down power supply Preliminary Data Features ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Module DC-DC step down single output Wide range input voltage 100÷370 Vdc Output power 4.0 W Typ Output voltage precision 5% Output short circuit protection No heatsink required Not - latching overload and short circuit protection MTBF > 1.000.000 hours (TA = 25°C) Incapsulated or open frame packages Pins or comb insertion RoHS compliant Comb BT = Encapsulated through hole Through hole Description The DC-DC module is a high efficiency DC-DC not insulated switch mode constant voltage generator. Designed for industrial application where low voltages are required from main. Step down converter performs a typ 4.0 W power conversion. The output voltages and current level are set up by design in accordance with customer requirements. Typical reference values for the shelf solution are: ■ FT = Open frame through hole Single output -12 V, ±5%, 0.35 A. FC = Open Frame Table 1. Device summary Order codes Package Encapsulated Open frame Open frame Connections Through hole Through hole Comb SPDC400BT12M0.35 SPDC400FT12M0.35 SPDC400FC12M0.35 October 2007 Rev 1 1/10 www.st.com 10 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. Contents SPDC400-4W Contents 1 2 3 4 5 6 Application diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Mechanical dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Connection diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Ordering information scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2/10 SPDC400-4W Application diagram 1 Application diagram Figure 1. Application diagram (For through hole version C must be 100 µF minimum, for Comb version C can be avoided 1A FUSE L1 (RECOMMENDED FOR SAFETY COMPLIANCE) POWER MODULE -12V 10µF 400V N1 C 1000µF ESR 0.1 Ω RTN 3/10 Electrical characteristics SPDC400-4W 2 Electrical characteristics Table 2. Symbol Vi Vo1 Io2 Vor Iosc n P stand by Iir Top Tstg ● Electrical characteristics (TA = 25°C, unless otherwise specified.) Parameter Input voltage Output voltage Output current Output ripple Output short circuit current Efficiency Vi = 100 to 370 Vdc Vi = 100 to 370 Vdc Vi = 100 to 370 Vdc Vi = 100 to 370 Vdc Vi = 100 to 370 Vdc Io=0.35 A Hiccup Mode 80 0.3 30 -10 -20 85 90 Test condition Min. 100 -12.6 0.35 5% -12 Typ. Max. 370 -11.4 Unit Vdc V A mVpp A % W A Power losses in no load Vi = 320 Vdc condition Io = 0 mA Inrush input current Operating ambient temperature Storage temperature range Vi = 320 Vdc °C °C Agency approvals The safety and EMI compliance has to be assured by the user. 4/10 SPDC400-4W Mechanical dimensions 3 Mechanical dimensions In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. These packages have a Lead-free second level interconnect . The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com Figure 2. SPDC400BT mechanical data (dimensions in mm) 35.6 14 21.6 1x45° Ø0.65 Figure 3. SPDC400FT mechanical data (dimensions in mm) 34.1 1 11 max. 20.1 2 1 3 4 0.8x45° Ø0.65 5 5 5/10 Mechanical dimensions Figure 4. SPDC400FC mechanical data side view (dimensions in mm) SPDC400-4W Figure 5. SPDC400FC mechanical data top view (dimensions in mm) 6/10 SPDC400-4W Connection diagram 4 Connection diagram Table 3. Pin 1 2 3 4 Pin description Function L1 N1 -12V RTN DC input voltage DC input voltage Output voltage Output voltage return Description Figure 6. SPDC400BT and SPDC400FT connection diagram 31.8 = 2.5 = 5.1 1 4 BOTTOM VIEW Figure 7. SPDC400FC connection diagram = 5.1 3 2 = 7/10 Ordering information scheme SPDC400-4W 5 Ordering information scheme Table 4. Ordering information scheme SPDC DC-DC converter 400 X Y 12 Z 0.35 Max VDC input F:Open Frame B:Encapsulated Package C: Comb T:Through Hole Connection Typ VDC Output P:Plus M:Minus Output voltage polarity Typ IDC Output 8/10 SPDC400-4W Revision history 6 Revision history Table 5. Date 11-Oct-2007 Document revision history Revision 1 First release Changes 9/10 SPDC400-4W Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. 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