Additional Resources: Product Page 3D Model PCB Footprint date 07/08/2021 page 1 of 5 SERIES: PEM1A-S DESCRIPTION: DC-DC CONVERTER FEATURES up to 1 W isolated output industry standard SIP 7 package 1:1 input range single unregulated output 4,000 Vdc isolation voltage -40 to 85C temperature range efficiency up to 70% UL/cUL safety approval input output output output ripple efficiency MODEL 1 voltage voltage current power & noise typ range max max max typ (Vdc) (Vdc) (Vdc) (mA) (W) (mVp-p) (%) PEM1A-S5-S5-S 5 4.5~5.5 5 200 1 100 70 Notes: 1. At full load, nominal input, 20 MHz bandwidth oscilloscope, output terminated with a 0.1 F multilayer low ESR ceramic capacitor. 2. All specifications measured at Ta=25C, nominal input voltage, rated output load, and after warm up unless otherwise specified. PART NUMBER KEY PEM1A - SXX - SXX - S Base Number Packaging Style: Output Voltage SIP Input Voltage cui.comAdditional Resources: Product Page 3D Model PCB Footprint CUI Inc SERIES: PEM1A-S DESCRIPTION: DC-DC CONVERTER date 07/08/2021 page 2 of 5 INPUT parameter conditions/description min typ max units operating input voltage 4.5 5 5.5 Vdc OUTPUT parameter conditions/description min typ max units 1 maximum capacitive load 1200 F at full load, Vin nominal, voltage accuracy see tolerance envelope curves 5 % for Vin change of 1% line regulation measured from low to high line, full load 1.2 % load regulation measured from 10~100% load 12 15 % switching frequency at Vin nominal 50 65 105 kHz Note: 1. Maximum capacitive load is defined as the capacitive load that will allow start up in under 1 second without damage. SAFETY AND COMPLIANCE parameter conditions/description min typ max units isolation voltage input to output for 1 second 4,000 Vdc isolation resistance at 500 Vdc 1,000 M isolation capacitance 75 pF safety approvals UL/cUL (60950-1, 2nd Edition) as per MIL-HDBK-217F, full load, 25C 850,000 hours MTBF as per MIL-HDBK-217F, full load, 85C 123,000 hours RoHS 2011/65/EU ENVIRONMENTAL parameter conditions/description min typ max units operating temperature -40 85 C storage temperature -55 125 C operating humidity non-condensing 95 % SOLDERABILITY parameter conditions/description min typ max units wave soldering see wave solder profile 260 C Note: 2. The wave solder profile is measured on lead temperature. 3. Need to keep the solder parts internal temperature less than about 210C. cui.com