Embedded Power for Business-Critical Continuity Rev. 11.25.08_138 Eighth-Brick B Series 1 of 4 Eighth-Brick B Series Total Power: Up to 80 Watts Input Voltage: 36-75 Vdc No. of Outputs: Single Special Features • High efficiency topology • Industry standard eighth-brick foot print (identical to quarter-brick pinout) • Low profile through-hole and surface mount version • 38% space savings over quarterbrick converters • Wide ambient temperature range, -40 ºC to +85 ºC Electrical Specifications* Output Voltage adjustability: 90% to 110% Minimum load: 0A Overshoot: At turn-on and turn-off Undershoot: At turn-on and turn-off Transient Response: (See Note 1) Input Input voltage range: 48 V nominal • 100 V, 100 ms input voltage transient rated Input current: No load Remote OFF • Meets basic insulation requirements of EN60950-1 Active high remote ON/OFF Logic compatibility: ON OFF Undervoltage Lockout: • Regulation to zero load • Fixed frequency switching • Fast transient switching • EU directive 2002/95/EC compliant for RoHS Safety • UL/cUL60950-1 CAN/CSA 22.2 • TUV EN/IEC60950-1 None 5% Vout typ. deviation 40 µs recovery • 90% to 110% output trim • Industry standard feature sets: UVLO, OVP, OCP, OTP, O/P trim, remote sense None Start-up time: (See Note 2) 36-75 Vdc 100 mA 10 mA TTL compatible ref to -input >2.4 Vdc <0.8 Vdc Power up 35.5 V (typ.) Power up 35.5 V (typ.) Power up Remote ON/OFF 25 ms (typ.) 5 ms (typ.) *All specifications are typical at nominal input, full load at 25 °C ambient unless otherwise stated. Embedded Power for Business-Critical Continuity Electrical Specifications Rev. 11.25.08_138 Eighth-Brick B Series 2 of 4 Notes General Basic insulation: Input/output Switching frequency: Fixed 1 2250 V dc 500 kHz Approvals and standards: EN60950-1 VDE UL/cUL60950-1 Material flammability: 2 3 UL94V-0 Weight: MTBF: Telcordia SR-332 Issue 1, 50% stress, 40 °C ambient 20 g (0.70 oz) 4 4.2 M hours 5 6 7 EMC Characteristics Immunity: ESD air enclosure: Radiated field enclosure: Conducted: Input transients: EN1000-4-2 8 kV/6 kV EN1000-4-3 10 V/m EN1000-4-6 10 V 100 V, 100 ms di/dt = 1 A/µs, Vin = 48 Vdc, Tc = 25 °C, load change = 50% to 75% lo max. and 75% to 50% lo max. Deviation varies by model. For further details see Technical Reference Notes (TRN). Start-up into resistive load. This product is only for inclusion by professional installers within other equipment and must not be operated as a stand alone product. Recommended input fusing is up to 10 A HRC 200 V rated fuse. Warranty: 2 years. through-hole version intended for wave soldering process. The ‘J’ suffix indicates that these parts are Pb-free (RoHS 6/6) compliant. (O/P within spec.) (O/P within spec.) (O/P within spec.) Environmental Characteristics Thermal performance: Operating ambient temperature -40 °C to +85 °C Non-operating -40 °C to +125 °C Protection Short-circuit: 115% with automatic recovery Overvoltage: 125% Vo (typ) with automatic recovery Thermal: 125 °C hot spot temperature with automatic recovery Ordering Information Regulation Output Voltage Output Current (Max) Efficiency (Typ) Set Point Accuracy (Typ) Line Load Ripple & Noise Model Number(7) (Typ) 12.0 V 6.7 92% ±1% ±0.1% ±0.2% 70 mVp-p LES06B48-12V0REJ 5.0 V 13 92% ±1% ±0.1% ±0.2% 30 mVp-p LES13B48-5V0REJ 3.3 V 20 91% ±1% ±0.1% ±0.2% 30 mVp-p LES20B48-3V3REJ 2.5 V 22 90% ±1% ±0.1% ±0.2% 30 mVp-p LES22B48-2V5REJ 1.8 V 25 89% ±1% ±0.1% ±0.2% 30 mVp-p LES25B48-1V8REJ 1.5 V 25 88% ±1% ±0.1% ±0.2% 25 mVp-p LES25B48-1V5REJ 1.2 V 25 86% ±1% ±0.1% ±0.2% 25 mVp-p LES25B48-1V2REJ 1.0 V 25 85% ±1% ±0.1% ±0.2% 20 mVp-p LES25B48-1V0REJ Part Number System with Options Product Family Rated Output Current Vintage Nominal Rated Input Voltage Type of Output Remote ON/OFF LOGIC Body Height, Package Type and Pin Length RoHS Compliance (7) LES 22 B 48 - 2V5 R E J L = Low Profile E = 1/8 Brick S = Single Output 22 = 22 Amps, 20 = 20 Amps, etc. A = 1st generation B = 2nd generation 48 = 48 Volts 2V5 = 2.5 Volts (36 - 75 VDC range) 3V3 = 3.3 Volts Blank = Positive R = Negative A = 0.33 in (8.1 mm),Through Hole 0.19 in (4.8 mm), Pins E = 0.37 in (9.1 mm), Through Hole 0.19 in (4.8 mm), Pins S = 0.33 in (8.1 mm), Surface Mount J = Pb free (RoHS 6/6 compliant) Embedded Power for Business-Critical Continuity CAL DETAILS AND DIMENSION OPTIONS FOR PTH PIN (LES B SERIES) Through-hole Mechanical Drawing (for 1.8, 1.5, 1.2 and 1.0 V) Rev. 11.25.08_138 Eighth-Brick B Series 3 of 4 2.30 [58.4] 1 8 7 6 2 0.30 [7.62] 0.90 [22.9] 0.15 [3.8] 5 4 3 2.00 [50.80] Clearance (see table) Height (see table) 0.19 [4.8] 0.040 ± 0.004 [1.02 ± 0.10] (6 pls) 0.062 ± 0.004 [1.57 ± 0.10] (2 pls) 0.080 ± 0.004 [ 2.03 ± 0.10] (2 pls) 2.30 [58.4] 0.90 [22.9] Suffix 0.15 [3.81] 0.30 [7.62] 0.058 ± 0.004 [ 1.50 ± 0.10] (6 pls) 2.00 [50.80] 0.15 [3.8] RECOMMENDED HOLE PATTERN 2.30 [58.4] 8 7 6 2 0.30 [7.62] 3 5 4 0.90 [22.9] 0.15 [3.8] 0.014 [0.35] Min 0.33 ± 0.025 [6.4 ± 0.64] Lead coplanarity within 0.006 [0.15] 0.062 ± 0.004 [1.57 ± 0.10] (8 pls) 0.102 ± 0.004 [ 2.60 ± 0.10] (8 pls) 0.90 [22.9] 0.15 [3.81] 0.30 [7.62] 0.15 [3.8] 2.00 [50.80] RECOMMENDED HOLE PATTERN Minimum 0.33 (8.4) 0.004 (0.10) 0.37 (9.4) 0.047 (1.20) Pin Connections Function 1 Vin+ 2 ON/OFF 3 Vin- 4 Vout- 5 Sense- 6 Trim 7 Sense+ 8 Vout+ Dimensions are in inches (millimeter) Tolerances (unless otherwise specified) X.XX±0.02 (X.X±0.5) X.XXX±0.010 (X.XX±0.25) 2.00 [50.80] 2.30 [58.4] Clearance ±0.025 [0.64] Pin number Surface-mount Mechanical Drawing (for 1.8, 1.5, 1.2 and 1.0 V) 1 A E Height Embedded Power for Business-Critical Continuity ANICAL DETAILS AND DIMENSION OPTIONS FOR PTH PIN (LES B SERIES) Americas Through-hole Mechanical Drawing (for 2.5, 3.3, 6 and 12 V) 5810 Van Allen Way Carlsbad, CA 92008 USA Telephone: +1 760 930 4600 Facsimile: +1 760 930 0698 2.30 [58.4] 1 8 7 6 2 0.30 [7.62] 5 4 3 Rev. 11.25.08_138 Eighth-Brick B Series 4 of 4 0.90 [22.9] Europe (UK) 0.15 [3.8] 2.00 [50.80] Clearance (see table) Height Waterfront Business Park Merry Hill, Dudley West Midlands, DY5 1LX United Kingdom Telephone: +44 (0) 1384 842 211 Facsimile: +44 (0) 1384 843 355 (see table) 0.19 [4.8] 0.040 ± 0.004 [1.02 ± 0.10] (6 pls) 0.062 ± 0.004 [1.57 ± 0.10] (2 pls) 0.080 ± 0.0043 [ 2.03 ± 0.10] (2 pls) 2.30 [58.4] Asia (HK) 14/F, Lu Plaza 2 Wing Yip Street Kwun Tong, Kowloon Hong Kong Telephone: +852 2176 3333 Facsimile: +852 2176 3888 0.90 [22.9] 0.15 [3.8] For global contact, visit: 0.15 [3.81] 0.30 [7.62] 0.058 ± 0.004 [ 1.50 ± 0.10] (6 pls) 2.00 [50.80] HOLE PATTERN NICAL DETAILS ANDRECOMMENDED DIMENSION OPTIONS FOR SMT PIN (LES SERIES) Surface-mount Mechanical Drawing (for 2.5, 3.3, 6 and 12 V) www.powerconversion.com techsupport.embeddedpower@ emerson.com While every precaution has been taken to ensure accuracy and completeness in this literature, Emerson Network Power assumes no responsibility, and disclaims all liability for damages resulting from use of this information or for any errors or omissions. 2.30 [58.4] 1 8 7 6 2 0.30 [7.62] 0.90 [22.9] 0.15 [3.8] 5 4 3 Emerson Network Power. The global leader in enabling business-critical continuity. AC Power Connectivity 2.00 [50.80] DC Power 0.33 ± 0.025 [8.4 ± 0.64] 2.30 [58.4] 0.014 [0.35] Min Embedded Computing Lead coplanarity within 0.006 [0.15] Embedded Power 0.062 ± 0.004 [1.57 ± 0.10] (8 pls) 0.102 ± 0.004 [ 2.60 ± 0.10] (8 pls) 0.90 [22.9] 0.15 [3.81] 0.30 [7.62] Monitoring Outside Plant Power Switching & Controls Precision Cooling Racks & Integrated Cabinets Services Surge Protection 0.15 [3.8] 2.00 [50.80] RECOMMENDED HOLE PATTERN EmersonNetworkPower.com Emerson Network Power and the Emerson Network Power logo are trademarks and service marks of Emerson Electric Co. ©2008 Emerson Electric Co.