Additional Resources: Product Page 3D Model datdatee 01/18/2021 pagepage 1 of 71 of 7 SERIES: PYB20-DIN DESCRIPTION: DC-DC CONVERTER FEATURES up to 20 W isolated output industry standard pinout 4:1 input range (9~36 Vdc, 18~75 Vdc) smaller package single/dual regulated outputs 1,500 Vdc isolation continuous short circuit, over current protection, over voltage protection reverse polarity protection temperature range (-40~85C) six-sided metal shielding efficiency up to 88% EN 62368-1 input output output output ripple efficiency MODEL 1 voltage voltage current power and noise typ range min max max max typ (Vdc) (Vdc) (Vdc) (mA) (mA) (W) (mVp-p) (%) PYB20-Q24-S3-DIN 24 9~36 3.3 250 5000 16.5 100 84 PYB20-Q24-S5-DIN 24 9~36 5 200 4000 20 100 88 PYB20-Q24-S12-DIN 24 9~36 12 84 1667 20 100 87 PYB20-Q24-S15-DIN 24 9~36 15 67 1333 20 100 88 PYB20-Q24-S24-DIN 24 9~36 24 42 834 20 100 88 PYB20-Q24-D5-DIN 24 9~36 5 100 2000 20 100 84 PYB20-Q24-D12-DIN 24 9~36 12 42 834 20 100 86 PYB20-Q24-D15-DIN 24 9~36 15 33 667 20 100 86 PYB20-Q48-S3-DIN 48 18~75 3.3 250 5000 16.5 100 84 PYB20-Q48-S5-DIN 48 18~75 5 200 4000 20 100 88 PYB20-Q48-S12-DIN 48 18~75 12 84 1667 20 100 87 PYB20-Q48-S15-DIN 48 18~75 15 67 1333 20 100 88 PYB20-Q48-S24-DIN 48 18~75 24 42 834 20 100 88 PYB20-Q48-D5-DIN 48 18~75 5 100 2000 20 100 84 PYB20-Q48-D12-DIN 48 18~75 12 42 834 20 100 86 PYB20-Q48-D15-DIN 48 18~75 15 33 667 20 100 87 Notes: 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. PART NUMBER KEY PYB20 - QXX - XXX - X - DIN Mounting Type Base Number DIN = DIN-rail mount Input Voltage * Heatsink Outputblan = no heatsink S = single Output Voltage H = with heatsink D = dual Notes: *Discontinued heatsink versions. cui.comAdditional Resources: Product Page 3D Model CUI Inc SERIES: PYB20-DIN DESCRIPTION: DC-DC CONVERTER date 01/18/2021 page 2 of 7 INPUT parameter conditions/description min typ max units 24 Vdc input models 9 24 36 Vdc operating input voltage 48 Vdc input models 18 48 75 Vdc 24 Vdc input models 9 Vdc start-up voltage 48 Vdc input models 17.8 Vdc 24 Vdc input models 7.5 Vdc 1 under voltage shutdown 48 Vdc input models 16 Vdc for maximum of 1 second surge voltage 24 Vdc input models -0.7 50 Vdc 48 Vdc input models -0.7 100 Vdc start-up time nominal input, constant load 10 ms filter pi filter models ON (CTRL open or connect TTL high level, 2.5~12 Vdc) 2 CTRL models OFF (CTRL connect GND or low level, 0~1.2 Vdc) input current (models OFF) 1 mA Notes: 1. Contact CUI if you are planning to use this feature in your application. 2. CTRL pin voltage is referenced to GND. OUTPUT parameter conditions/description min typ max units line regulation full load, input voltage from low to high 0.2 0.5 % load regulation 5% to 100% load 0.5 1 % dual output models: cross regulation main output 50% load, secondary output from 5 % 10% to 100% load voltage accuracy 1 3 % 3 voltage balance dual output, balanced loads 0.5 1 % 4 adjustability 10 % switching frequency PWM mode 300 kHz transient recovery time 25% load step change 300 500 s transient response deviation 25% load step change 3 5 % temperature coefficient 100% load 0.02 %/C Note: 3. For dual output models, unbalanced loads should not exceed 5%. If 5% is exceeded, it may not meet all specifications. 4. Output trimming available on single output models only. PROTECTIONS parameter conditions/description min typ max units short circuit protection hiccup, continuous, automatic recovery over current protection 160 % 3.3 Vdc output models 3.9 Vdc 5 Vdc output models 6.2 Vdc over voltage protection 12 Vdc output models 15 Vdc 15 Vdc output models 18 Vdc 24 Vdc output models 30 Vdc 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 cui.com