48Vdc Input, 3.3Vdc 40A Output Quarter-brick DC-DC Converter AGQ200B-48S3V3 Description The AGQ200B-48S3V3 is a single output DC-DC converter with standard quarter-brick outline and pin configuration. It delivers up to 40A output current with 3.3V output voltage. Above 92% efficiency and excellent thermal performance make it an ideal choice to supply power in telecom and datacom. It can work under -40C ~ +85C. Operational Features Mechanical Features Delivering up to 40A output current Ultra-high efficiency 92% typ. at full load Industry standard quarter-brick pin-out Wide input range: 36V ~ 75V outline Excellent thermal performance Open frame or baseplate optional Pin length option: 3.8mm, 4.8mm, 5.8mm No minimum load requirement Fixed frequency operation RoHS 6, RoHS 5 compliant Safety & EMC Control Features Meets safety standards UL 60950-1, CSA-C22.2 NO. 60950-1, IEC/EN Remote control function 60950-1 and GB4943 Remote output sense Approved by UL and TUV Trim function: -20% ~ +10% Meets 2006/95/EEC and 93/68/EEC directives which facilitates CE marking in users end product Protection Features Meets conducted emission s requirements of EN55022 Class A with external filter Input under voltage lockout Output over current protection Output over voltage protection Over temperature protection Document No. 31020964 December 1, 2009 Rev 1.6 AGQ200B-48S3V3 DC-DC Converter 2/14 Electrical Characteristics Full operating ambient temperature range is -40C to +85C. Specifications are subject to change without notice. Parameter Min. Typ. Max. Unit Notes & Conditions Absolute max. ratings Non-operating 100 V 100ms Input Voltage Operating 80 V Continuous Operating temperature -40 85 C Storage temperature -55 125 C Voltage at remote ON/OFF pin -0.7 12 V Input characteristics Operating input voltage range 36 48 75 V Turn-on voltage 31 34 36 V threshold Input Turn-off voltage under-voltage 30 33 35 V threshold lockout Lockout voltage 1 3 V hysteresis Max. input current 4.5 A 36V , full load in No-load input current 0.07 0.1 A Standby Input current 0.01 0.1 A Remote OFF 2 Inrush current transient rating 0.5 1 A s Input reflected ripple current 13 20 mA Through 12H inductor, Figure 4 Input voltage ripple rejection 40 75 dB 120Hz Fast blow external fuse Recommended input fuse 15 A recommended Figure 11 Input filter component values (C L) 5.4 3.3 F H Internal values Recommended external input Low ESR capacitor 100 F capacitance recommended Figure 11 Output characteristics Output voltage set point (standard 3.25 3.30 3.35 V 48V , full load in option) Output voltage line regulation 0.5 5 mV Output voltage load regulation 0.4 10 mV Output voltage temperature 0.02 %/C regulation