DRQ-11.4/88-L48NB-C www.murata-ps.com Regulated Quarter-Brick, 986W Isolated DC-DC Converter Output (V) Current (A) Nominal Input (V) 11.2 88 48 Optimized for distributed power Regulated Intermediate Bus Architectures (RIBA), the DRQ DC-DC converter series offer regulated outputs in a quarter brick open frame package. Typical unit FEATURES PRODUCT OVERVIEW The DRQ-11.4/88-L48NB-C regulated converter The DRQs synchronous-rectifier topology and Designed for Regulated Intermediate Bus Architectures (RIBA). module deliver a 11.2V output Vin = 48Vdc in fixed frequency operations means excellent effi - a quarter brick open frame package at aston- ciencies up to 96.3%. Designed & Tested to Meet the Requirements of ishing efficiency. The fully isolated (1500Vdc) IPC9592, Rev B. A wealth of electronic protection features include DRQ-11.4/88-L48NB-C series accept a 36 to 60 96.3% Ultra-High Efficiency at Full Load. input under voltage lockout, over voltage lockout Volt DC input voltage range and converts it to a protection, output current limit, current sharing, 36V-60V DC Input Range (48V nominal). low Vdc output that drives external point-of-load short circuit hiccup, Vout overshoot, and over Monotonic Startup into Pre-Bias Output (PoL) DC-DC power converters such as Murata temperature shutdown. Available options include Conditions. Power Solutions tiny Okami series which feature various pin lengths and the baseplate. Assembled precise regulation directly at the load. Applications Over-Current & Over-Temperature Protection. using ISO-certified automated surface-mount include datacom and telecom installations, cellular Synchronous Rectifier Topology. techniques, the DRQ series is designed to meet dataphone repeaters, base stations, instruments all UL and IEC emissions, safety and flammability Stable No-Load Operation. and embedded systems. Wideband output ripple certifications. Negative Logic Standard Configuration (Positive and noise is typical 100mV, peak-to-peak. Logic Optional). Up To +85 Celsius Thermal Performance (With Derating). Remote On/Off Enable Control. Fully Isolated to 1500Vdc. Extensive Protection Features - UVLO, OVP, OCP, SCP, OTP. Full Safety, Emissions and Environmental 4 (+Vout) Certifications. (-Vin) 3 5 (-Vout) Approved to UL 60950-1, CSA-C22.2 No.60950- 1, IEC/EN 60950-1 Safety Approvals. (Enable) 2 (+Vin) 1 7 (+Vout) 8 (-Vout) Figure 1. Bottom View From Pin Side For full details go to www.murata-ps.com/rohs www.murata-ps.com/support SDC DRQ-11.4/88-L48NB-C.A02 Page 1 of 14DRQ-11.4/88-L48NB-C Regulated Quarter-Brick, 986W Isolated DC-DC Converter PERFORMANCE SPECIFICATIONS SUMMARY AND ORDERING GUIDE Output Input Efficiency Dimensions with baseplate VOUT IOUT Total Power Ripple & Noise VIN Range IIN, no load IIN, full load Root Model 1 (V) (A, max.) (W) (mVp-p, Max.) (V, Nom.) (V) (mA) (A) Typ. Case (inches) Case (mm) DRQ-11.4/88-L48NB-C 11.2 88 986 150 48 36-60 300 21.7 96.3% 2.3 x 1.45 x 0.57 58.42 x 36.83 x 14.5 Notes: 1 Please refer to the part number structure for additional options and complete ordering part numbers. 2 All specifications are at nominal line voltage and full load, +25 C. unless otherwise noted. See detailed specifications. Output capacitors are 1F ceramic in parallel with 10F and 470 F electrolytic. Input capacitors are 220 F electrolytic. I/O caps are necessary for our test equipment and may not be needed for your application. PART NUMBER STRUCTURE DR Q - 11.4 / 88 - L48 N B S L1 - C Digital Control - Regulated RoHS 6/6 Compliant Blank = Standard pin length 0.180 in. (4.6mm) Q = Quarter-Brick L1 = 0.110 in. (2.79mm) L2 = 0.145 in. (3.68mm) Output Voltage Blank = No Load Share (Standard Configuration) S = Load Sharing Option Voltage in Volts (V) Maximum Rated Output Currrent Baseplate (Standard Configuration) Current in Amps (A) N = Negative Logic (Standard Configuration) Input Voltage Range P = Positive Logic (Special Order Only) L48 = 36V-60V Note: Some model number combinations may not be available. See website or contact your local Murata sales representative. www.murata-ps.com/support SDC DRQ-11.4/88-L48NB-C.A02 Page 2 of 14