Additional Resources: Product Page 3D Model PCB Footprint datdatee 09/08/2021 pagepage 1 of 61 of 6 SERIES: PQM1-M DESCRIPTION: DC-DC CONVERTER FEATURES 1 W isolated output smaller package single regulated output 1,500 Vdc isolation continuous short circuit protection extended temperature range (-40~85C) high efficiency at light load efficiency up to 75% EN 62368-1 input output output output ripple efficiency MODEL 1 voltage voltage current power and noise typ range min max max typ typ (Vdc) (Vdc) (Vdc) (mA) (mA) (W) (mVp-p) (%) PQM1-S5-S3-M 5 4.75~5.25 3.3 25 243 0.8 50 58 PQM1-S5-S5-M 5 4.75~5.25 5 20 200 1 50 72 PQM1-S5-S9-M 5 4.75~5.25 9 12 111 1 50 74 PQM1-S5-S12-M 5 4.75~5.25 12 9 84 1 50 73 PQM1-S5-S15-M* 5 4.75~5.25 15 7 67 1 50 74 PQM1-S12-S5-M 12 11.4~12.6 5 20 200 1 50 73 PQM1-S12-S9-M 12 11.4~12.6 9 12 111 1 50 74 PQM1-S12-S12-M 12 11.4~12.6 12 9 84 1 50 73 PQM1-S12-S15-M 12 11.4~12.6 15 7 67 1 50 75 PQM1-S24-S5-M 24 22.8~25.2 5 20 200 1 50 73 PQM1-S24-S9-M 24 22.8~25.2 9 12 111 1 50 74 PQM1-S24-S12-M 24 22.8~25.2 12 9 84 1 50 73 PQM1-S24-S15-M 24 22.8~25.2 15 7 67 1 50 74 Note: 1. Ripple and noise are measured at 20 MHz BW by parallel cable method with 1 F ceramic and 10 F electrolytic capacitors on the output. *. Discontinued model. PART NUMBER KEY PQM1 - SXX - S XX - M - X Base Number Input Voltage Output Output Voltage Packaging Style S = singleblan = tube TR = tape & reel cui.comAdditional Resources: Product Page 3D Model PCB Footprint CUI Inc SERIES: PQM1-M DESCRIPTION: DC-DC CONVERTER date 09/08/2021 page 2 of 6 INPUT parameter conditions/description min typ max units 5 Vdc input models 4.75 5 5.25 Vdc operating input voltage 12 Vdc input models 11.4 12 12.6 Vdc 24 Vdc input models 22.8 24 25.2 Vdc for maximum of 1 second 5 Vdc input models -0.7 9 Vdc surge voltage 12 Vdc input models -0.7 18 Vdc 24 Vdc input models -0.7 30 Vdc filter capacitance filter OUTPUT parameter conditions/description min typ max units line regulation for Vin change of 1% 0.25 % measured from 10% load to full load load regulation 3.3 Vdc output models 3 % all other models 1 % voltage accuracy at 100% load 3 % switching frequency at 100% load, nominal input voltage 100 300 kHz temperature coefficient at 100% load 0.03 %/C PROTECTIONS parameter conditions/description min typ max units short circuit protection continuous, automatic recovery SAFETY AND COMPLIANCE parameter conditions/description min typ max units isolation voltage input to output for 1 minute at 1 mA max. 1,500 Vdc isolation resistance input to output at 500 Vdc 1,000 M safety approvals2 certified to 62368-1: EN conducted emissions CISPR22/EN55022 class B (external circuit required, see Figure 1) radiated emissions CISPR22/EN55022 class B (external circuit required, see Figure 1) ESD IEC/EN61000-4-2, class B, contact 8kV MTBF as per MIL-HDBK-217F 25C 3,500,000 hours RoHS 2011/65/EU Note: 2. CE mark doesn t apply to 9 Vdc output models. ENVIRONMENTAL parameter conditions/description min typ max units operating temperature see derating curve -40 85 C storage temperature -55 125 C storage humidity non-condensing 95 % temperature rise at full load, Ta = 25C 25 C cui.com