PAH 28Vout, 448-Watt Series www.murata-ps.com Isolated, 448-Watt, Half-Brick DC-DC Converter Output (V) Current (A) Input Voltage (V) 28 16 36-75 32 14 36-75 TTypical unitypical unit FEATURES PRODUCT OVERVIEW For applications requiring improved electrical and The module will provide a 28Vdc ( 16A) or Wide Vout trim range (see speci cations) thermal performance, consider Muratas new PAH 32Vdc ( 14A) output and accept a wide range input Industry standard half brick package series half brick DC-DC power converters. These voltage of 32-75Vdc. The PAH topology offers high High ef ciency: up to 93.5% compact modules measure 2.3 X 2.4 X 0.5 (58 ef ciency up to 93.5%, 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 ampli er No output reverse conduction applications, wireless networks, and telecom appli- These DC-DCs provide output trim, sense pins, Input to output isolation, 2250Vdc (Basic) cations. The special designed baseplate provides and primary side on/off control. Standard features conduction cooling in demanding thermal environ- also include input under-voltage shutdown, output Input under-voltage lockout ment conditions. over-voltage protection, output short-circuit/current On/off control (positive or negative logic) limiting protection, and thermal shutdown. Output over-voltage protection Thermal shutdown Output short circuit protection (hiccup technique) Certi ed to UL/EN 60950-1, CSA-C22.2 No. 60950-1, 2nd edition safety approvals (pending) F1 +Vin +Vout Barrier Case ground External DC Controller Power and Power Source Open = On 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-28Vout-448W.A01.D20 Page 1 of 18PAH 28Vout, 448-Watt Series Isolated, 448-Watt, Half-Brick DC-DC Converter 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-28/16-D48 28 16 448 100 300 0.25% 0.25% 48 36-75 80 9.98 93% 93.5% 2.3x2.4x0.5 32 14 448 100 300 0.25% 0.25% 48 36-75 80 9.98 93% 93.5% 2.3x2.4x0.5 PAH-32/14-D48 Please refer to the part number structure for additional ordering part numbers and options. Full power continuous output requires baseplate installation. Please refer to the derating curves. All speci cations are at nominal line voltage and full load, +25C. unless otherwise noted. See Minimum ef ciency applies to all input voltages and working temperatures. detailed speci cations. These speci cations are preliminary. Contact Murata Power Solutions for availability. PART NUMBER STRUCTURE PAH - 28 / 16 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) *Special quantity order is required Input Voltage Range: Blank = no coating, standard no sample quantities available. D48 = 36-75 Volts (48V nominal) H = Coating added* Baseplate Note: Some model combinations may On/Off Control Logic B = Baseplate installed with standard M3-12.7 threaded rivet (typ. 4) not be available. Contact Murata Power N = Negative logic B1 = Baseplate installed with unthreaded insert Solutions for availability. P = Positive logic www.murata-ps.com/support MDC PAH-28Vout-448W.A01.D20 Page 2 of 18