82 to order call 1-888-9-aimtec am20e-c series 20 watt dc-dc converters ? power modules for pcb mounting ? synchronous rectifier topology ? surface mount technology ? standard 2?x1? package and pinout ? remote on/off control ( optional) general description electrical specifications all specifications valid at nominal input voltage, full load and +25c after warm-up time unless otherwise stated. our am20e-c series is a family of cost effective 20w single output dc-dc converters. these converters are shielded on all six sides and encapsulated with a nickel-coated copper with a non-conductive base and dimensions of 50.8x25.4x10.5mm. the high performance features of our am20e-c components include short circuit protection with cur- rent limit auto recovery, tight line regulation and a high efficiency operation coefficient up to 88%. six models operate from an input voltage range of 24 & 48vdc then converts it into output voltages of 2.5, 3,3 & 5vdc. the normal operation is specified over the full operating temperature range of -25c to +71c with no derating required. cooling is done by free air convection. mtbf: > 550,000 hrs (mil-hdbk-217f, ground benign, t=+25oc) specifications are subject to change without notification isolation specifications: rated voltage 1500vdc resistance >1000 mohms capacitance 1000pf output specifications: voltage accuracy 2% ripple <0.2% vout +20mvmax (vp-p) noise <0.5% vout +50mvmax (vp-p) short circuit protection current limit, auto-recovery over current protection works over 120% of rating and recovers automatically over voltage protection zener diode clamp protection line regulation (hl-ll) 0.5%(typ.) load regulation (10-100%) 1%(typ.) temperature coefficient 0.02%/c input specifications: voltage range 24vdc, 18~36vdc 48 vdc, 36~75vdc filter p (pi) network environmental specifications: operating temperature -25c ?+71c storage temperature -55c ?+105c case temperature +95c, max. humidity (non-condensing) up to 95% cooling free-air convection physical specifications: dimensions 50.8x25.4x10.5mm, 2.0x1.0x0.413inches weight 32g case material nickel-coated copper with non-conductive base, six sides? shielded general specifications: efficiency 85% to 88% switching frequency 400khz, typ. 100% load dc-dc converters continued on next page
83 visit us at www.aimtec.ca am20e-c series dc-dc converters models single output models input voltage ouput voltage am20e-2402sc 2.5vdc 5000ma am20e-2403sc 18vdc-36vdc 3.3vdc 4250ma am20e-2405sc 5vdc 4000ma AM20E-4802SC 2.5vdc 5000ma am20e-4803sc 36vdc-75vdc 3.3vdc 4250ma am20e-4805sc 5vdc 4000ma outline dimensions & pin connections mechanical dimension (top view) derating block diagram ouput current max. single 1 on/off control (optional) 2 -v input 3 +v input 4 -v iutput 5 no pin 6 +v output pin
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