process yellow 116 1375 1797 375 3405 313 2985 240 242 Embedded Power for Business-Critical Continuity 2607 652 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 Electrical Specifications* High efficiency topology Output Industry standard eighth-brick foot print (identical to quarter-brick Voltage adjustability: 90% to 110% pinout) Minimum load: 0 A Low profile through-hole and Overshoot: At turn-on and turn-off None surface mount version Undershoot: At turn-on and turn-off None 38% space savings over quarter- Transient Response: 5% Vout typ. deviation brick converters (See Note 1) 40 s recovery Wide ambient temperature Input range, -40 C to +85 C Input voltage range: 48 V nominal 36-75 Vdc 90% to 110% output trim Input current: No load 100 mA 100 V, 100 ms input voltage Remote OFF 10 mA transient rated Active high remote ON/OFF Meets basic insulation Logic compatibility: TTL compatible ref to -input requirements of EN60950-1 ON >2.4 Vdc Industry standard feature sets: OFF <0.8 Vdc UVLO, OVP, OCP, OTP, O/P trim, Undervoltage Lockout: Power up 35.5 V (typ.) remote sense Power up 35.5 V (typ.) Regulation to zero load Start-up time: Power up 25 ms (typ.) Fixed frequency switching (See Note 2) Remote ON/OFF 5 ms (typ.) Fast transient switching EU directive 2002/95/EC *All specifications are typical at nominal input, compliant for RoHS full load at 25 C ambient unless otherwise stated. Safety UL/cUL60950-1 CAN/CSA 22.2 TUV EN/IEC60950-1process yellow 116 1375 1797 375 3405 313 2985 240 242 2607 Embedded Power for Business-Critical Continuity 652 Rev. 11.25.08 138 Electrical Specifications Eighth-Brick B Series 2 of 4 Notes General 1 di/dt = 1 A/s, Vin = 48 Vdc, Tc = 25 C, load change = Basic insulation: Input/output 2250 V dc 50% to 75% lo max. and 75% to 50% lo max. Deviation varies by model. For further details see Technical Switching frequency: Fixed 500 kHz Reference Notes (TRN). Approvals and EN60950-1 VDE 2 Start-up into resistive load. 3 This product is only for inclusion by professional standards: UL/cUL60950-1 installers within other equipment and must not be Material flammability: UL94V-0 operated as a stand alone product. 4 Recommended input fusing is up to 10 A HRC 200 V Weight: 20 g (0.70 oz) rated fuse. 5 Warranty: 2 years. MTBF: Telcordia SR-332 Issue 1, 4.2 M hours 6 through-hole version intended for wave soldering 50% stress, 40 C ambient process. 7 The J suffix indicates that these parts are Pb-free EMC Characteristics (RoHS 6/6) compliant. Immunity: ESD air enclosure: EN1000-4-2 8 kV/6 kV (O/P within spec.) Radiated field enclosure: EN1000-4-3 10 V/m (O/P within spec.) Conducted: EN1000-4-6 10 V (O/P within spec.) Input transients: 100 V, 100 ms Environmental Characteristics Thermal performance: Operating ambient -40 C to +85 C temperature 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 Output Efficiency Set Point Line Load Ripple & Noise Model Number(7) Voltage Current (Typ) Accuracy (Typ) (Max) (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 Rated Output Nominal Rated Type of Remote Body Height, Package Type RoHS Vintage (7) Family Current Input Voltage Output ON/OFF LOGIC and Pin Length Compliance LES 22 B 48 - 2V5 R E J A = 0.33 in (8.1 mm),Through Hole L = Low Profile 22 = 22 Amps, A = 1st generation 48 = 48 Volts 2V5 = 2.5 Volts Blank = Positive J = Pb free (RoHS 0.19 in (4.8 mm), Pins E = 1/8 Brick 20 = 20 Amps, etc. B = 2nd generation (36 - 75 VDC range) 3V3 = 3.3 Volts R = Negative 6/6 compliant) E = 0.37 in (9.1 mm), Through Hole S = Single Output 0.19 in (4.8 mm), Pins S = 0.33 in (8.1 mm), Surface Mount