PAH 48, 53 Vout, 450W Series www.murata-ps.com Isolated, up to 450 Watt, Half-Brick DC-DC Converters Output (V) Current (A) Input Voltage (V) 48 8.5 36-75 53 8.5 36-75 TTypicalypical unitunit FEATURES PRODUCT OVERVIEW For applications requiring improved electrical and The module provides a 53Vdc or 48Vdc output Wide Vout trim range (see speci cations) thermal performance, consider Muratas new PAH at 8.5 Amps and accepts a wide input voltage Industry standard half brick package series half brick DC-DC power converters. These range of 36-75Vdc. The PAH topology offers high High ef ciency: up to 94% compact modules measure 2.3 X 2.4 X 0.5 (58 ef ciency (up to 94%), tight line and load regulation, Outstanding thermal performance X 61 X 12.7mm) and offer the industry-standard low ripple/noise, and a fast dynamic load response. half brick footprint. A single-board, highly optimized thermal design Standard baseplate for conduction cooled applications contributes to the superior thermal performance. The PAH Series is ideal for power amplifier No output reverse conduction applications, semiconductor test equipment, These half-bricks provide output trim, sense Input to output isolation, 2250Vdc (Basic) wireless networks, and telecom applications. pins, and primary side on/off control. Standard fea- The baseplate provides a means for conduc- tures also include input under-voltage shutdown, Input under-voltage lockout tion cooling in demanding thermal environment output over-voltage protection, output short-circuit/ On/off control (positive or negative logic) conditions. current limiting protection, and thermal shutdown. Output over-voltage protection Thermal shutdown Output short circuit protection (hiccup technique) Certi ed to UL/60950-1, CSA-C22.2 No. 60950-1, 2nd edition safety approvals F1 +Vin +Vout Barrier Case ground External DC NOTE: A minimum of 220F Controller Power of capacitance is required and Power Source on the output to ensure Cout stable operation. An ESR equal to or less than 0.02 Open = On is also required. On/Off Reference and Control Error Amplier Trim logic) -Vin -Vout Figure 1. Simpli ed Schematic Typical topology is shown. Some models may vary slightly. For full details go to www.murata-ps.com/rohs www.murata-ps.com/support MDC PAH-48-53Vout-450W.A10 Page 1 of 19PAH 48, 53 Vout, 450W Series Isolated, up to 450 Watt, Half-Brick DC-DC Converters PERFORMANCE SPECIFICATIONS SUMMARY AND ORDERING GUIDE Output Input Efficiency IOUT IIN, no IIN, full Power R/N (mV pk-pk) Regulation (Max.) VOUT VIN Nom. Range Dimensions (Amps, load load (Volts) (Volts) (Volts) Root Model (Watts) Typ. Max. Line Load Typ. (Inches) Min. Max.) (mA) (Amps) PAH-48/8.5-D48 48 8.5 408 75 200 0.6% 0.6% 48 36-75 80 9.98 90% 94% 2.3x2.4x0.5 PAH-53/8.5-D48 53 8.5 450.5 75 200 0.6% 0.6% 48 36-75 80 9.98 90% 94% 2.3x2.4x0.5 Please refer to the full model number structure for additional ordering part numbers and options. Full power continuous output requires baseplate installation. Please refer to the derating curves. Minimum ef ciency applies to all input voltages and working temperatures. All speci cations are typical at nominal line voltage and full load, +25C. unless otherwise noted. See detailed speci cations. PART NUMBER STRUCTURE PAH - 53 / 8.5 D48 N Bx H Lx C - - Power Ampli er RoHS Hazardous Materials compliance Half-Brick C = RoHS-6 (no lead), standard, does not claim EU exemption 7b lead in solder Nominal Output Voltage Pin length option Blank = standard pin length 0.180 in. (4.57 mm) Maximum Output Current L1 = 0.110 in. (2.79 mm) in Amps L2 = 0.145 in. (3.68 mm) Conformal coating (optional) Input Voltage Range: Blank = no coating, standard D48 = 36-75 Volts (48V nominal) H = Coating added Baseplate (installed on all models) On/Off Control Logic B = Baseplate installed with standard M3-12.7 threaded rivet (typ. 4) N = Negative logic B1 = Baseplate installed with unthreaded insert P = Positive logic (see Mechanical section for details). Special quantity order is required samples available with standard pin length only. Some model number combinations may not be available. See website or contact your local Murata sales representative. www.murata-ps.com/support MDC PAH-48-53Vout-450W.A10 Page 2 of 19