Additional Resources: Product Page 3D Model PCB Footprint date 07/28/2021 page 1 of 8 SERIES: PYBJ15 DESCRIPTION: DC-DC CONVERTER FEATURES up to 15 W isolated output ultra wide 4:1 input voltage range single regulated output output short circuit, over current, over voltage protection efficiency up to 89% DIP and SMT mounting styles available with or without case 1500 Vdc isolation EN 62368-1 2 input output output output ripple efficiency MODEL 1 voltage voltage current power & noise typ range min max max max typ (Vdc) (Vdc) (Vdc) (mA) (mA) (W) (mVp-p) (%) PYBJ15-Q24-S3 24 9~36 3.3 0 4500 14.85 100 88 PYBJ15-Q24-S5 24 9~36 5 0 3000 15 100 88 PYBJ15-Q24-S12 24 9~36 12 0 1250 15 100 89 PYBJ15-Q24-S15 24 9~36 15 0 1000 15 100 89 PYBJ15-Q48-S3 48 18~75 3.3 0 4500 14.85 100 88 PYBJ15-Q48-S5 48 18~75 5 0 3000 15 100 88 PYBJ15-Q48-S12 48 18~75 12 0 1250 15 100 89 PYBJ15-Q48-S15 48 18~75 15 0 1000 15 100 89 Notes: 1. From 5~100% load, nominal input, 20 MHz bandwidth oscilloscope, with 10 F tantalum and 1 F ceramic capacitors on the output. From 0~5% load, ripple and noise is <5% Vo. 2. Measured at nominal input voltage, full load. 3. All specifications are measured at Ta=25C, humidity < 75%, nominal input voltage, and rated output load unless otherwise specified. PART NUMBER KEY PYBJ15 - QXX - SXX - X X Base Number Mounting Style: Case: Input Voltage Output Voltage D = DIP blank = with case M = SMT O = no case cui.comAdditional Resources: Product Page 3D Model PCB Footprint CUI Inc SERIES: PYBJ15 DESCRIPTION: DC-DC CONVERTER date 07/28/2021 page 2 of 8 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 18 Vdc 24 Vdc input models for 1 second max -0.7 50 Vdc surge voltage 48 Vdc input models for 1 second max -0.7 100 Vdc 24 Vdc input models 5.5 6.5 Vdc under voltage shutdown 48 Vdc input models 12 15.5 Vdc 3, 5 Vdc output models 727 mA 24 Vdc input models 12, 15 Vdc output models 718 mA current 3.3 Vdc output models 363 mA 48 Vdc input models 5 Vdc output models 360 mA 24 Vdc input models 3,000 mA start-up current 48 Vdc input models 1,500 mA turn on (CTRL pin pulled low to GND (0~1.2 Vdc)) 4 remote on/off (CTRL) turn off (CTRL pin open or pulled high (3.5~12 Vdc)) input current when switched off 6 15 mA Valm (relative to GND), when under voltage protection is going to happen, and during the over voltage protection 0.2 1.2 Vdc alarm indication (ALM) working status. 3.5 Valm (relative to GND), other working status 9 Vdc filter Pi filter no load power consumption 0.36 W Notes: 4. The voltage of the CTRL pin is referenced to input GND pin. OUTPUT parameter conditions/description min typ max units 3.3, 5 Vdc output models 4,700 F 5 maximum capacitive load 12 Vdc output models 1,000 F 15 Vdc output models 820 F voltage accuracy from 0% to full load 1 2 % line regulation from low line to high line, full load 0.2 0.5 % 6 load regulation from 5% to full load 0.5 1 % 7 switching frequency PWM mode 300 kHz transient recovery time 25% load step change, nominal input voltage 300 500 s 25% load step change, nominal input voltage transient response deviation 3.3, 5 Vdc output models 3 8 % all other output models 3 5 % temperature coefficient at full load 0.03 %/C Note: 5. Tested at input voltage range and full load. 6. At 0~100% load, the max load regulation is 3%. 7. Value is based on full load. At loads <50%, the switching frequency decreases with decreasing load for efficiency improvement. cui.com