DC/DC Converter

MORNSUN DC DC converter includes isolated DC DC converter, non isolated DC DC converter and high voltage output with the package of SMD, SIP, DIP and other optional mounting, and the range is from 0.25 to 200W. MORNSUN DC DC power converter can be widely used in industrial control, medical devices, power electronics, instrumentation, rail transportation, communications, etc. We hope that those high-efficiency, excellent-quality, and cost-effective DC DC converter power supply is an ideal fit for your application needs.

DC/DC Converter
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Series Power(W) Vin(VDC) Vout(VDC) No. of Outputs Isolation(VDC) Package 3D Impression Drawing (.stp) Certification Datasheet Sample Buy
URF48_QB-75WFR3 75 18~75 5~48 1 2250 DIP - CE - URF48_QB-75WFR3 - sample request - buy on line -
URF4805QB-75WFR3 75 18~75 5 1 2250 DIP - CE URF4805QB-75WFR3 申请 buy on line
URF4812QB-75WFR3 75 18~75 12 1 2250 DIP - CE URF4812QB-75WFR3 申请 buy on line
URF4815QB-75WFR3 75 18~75 15 1 2250 DIP - CE URF4815QB-75WFR3 申请 buy on line
URF4824QB-75WFR3 75 18~75 24 1 2250 DIP - CE URF4824QB-75WFR3 申请 buy on line
URF4848QB-75WFR3 75 18~75 48 1 2250 DIP - CE URF4848QB-75WFR3 申请 buy on line
URF48_QB-75WHR3 75 18~75 5~48 1 2250 DIP - CE - URF48_QB-75WHR3 - sample request - buy on line -
URF4805QB-75WHR3 75 18~75 5 1 2250 DIP - CE URF4805QB-75WHR3 申请 buy on line
URF4812QB-75WHR3 75 18~75 12 1 2250 DIP - CE URF4812QB-75WHR3 申请 buy on line
URF4815QB-75WHR3 75 18~75 15 1 2250 DIP - CE URF4815QB-75WHR3 申请 buy on line
URF4824QB-75WHR3 75 18~75 24 1 2250 DIP - CE URF4824QB-75WHR3 申请 buy on line
URF4848QB-75WHR3 75 18~75 48 1 2250 DIP - CE URF4848QB-75WHR3 申请 buy on line
URF4824QB-75WHR3A6 75 18~75 24 1 2250 DIP - - URF4824QB-75WHR3A6 - sample request - buy on line -
URF4824QB-75WHR3A6 75 18~75 24 1 2250 DIP - - URF4824QB-75WHR3A6 申请 buy on line
URF1D_QB-100WR3 100 43~160 3.3~48 1 3000VAC DIP - CE - URF1D_QB-100WR3 - sample request - buy on line -
URF1D03QB-100WR3 100 43~160 3.3 1 3000VAC DIP - CE URF1D03QB-100WR3 申请 buy on line
URF1D05QB-100WR3 100 43~160 5 1 3000VAC DIP - CE URF1D05QB-100WR3 申请 buy on line
URF1D12QB-100WR3 100 43~160 12 1 3000VAC DIP - CE URF1D12QB-100WR3 申请 buy on line
URF1D15QB-100WR3 100 43~160 15 1 3000VAC DIP - CE URF1D15QB-100WR3 申请 buy on line
URF1D24QB-100WR3 100 43~160 24 1 3000VAC DIP - CE URF1D24QB-100WR3 申请 buy on line
URF1D48QB-100WR3 100 43~160 48 1 3000VAC DIP - CE URF1D48QB-100WR3 申请 buy on line
URF1D_QB-100WHR3 100 43~160 3.3~48 1 3000VAC DIP(With heatsink) - CE - URF1D_QB-100WHR3 - sample request - buy on line -
URF1D03QB-100WHR3 100 43~160 3.3 1 3000VAC DIP(With heatsink) - - URF1D03QB-100WHR3 申请 buy on line
URF1D05QB-100WHR3 100 43~160 5 1 3000VAC DIP(With heatsink) - - URF1D05QB-100WHR3 申请 buy on line
URF1D12QB-100WHR3 100 43~160 12 1 3000VAC DIP(With heatsink) - - URF1D12QB-100WHR3 申请 buy on line
URF1D15QB-100WHR3 100 43~160 15 1 3000VAC DIP(With heatsink) - - URF1D15QB-100WHR3 申请 buy on line
URF1D24QB-100WHR3 100 43~160 24 1 3000VAC DIP(With heatsink) - - URF1D24QB-100WHR3 申请 buy on line
URF1D48QB-100WHR3 100 43~160 48 1 3000VAC DIP(With heatsink) - - URF1D48QB-100WHR3 申请 buy on line
URF24_QB-100WR3 100 9~36 5~48 1 2250 DIP URF_QB-100WR3.stp - CE - URF24_QB-100WR3 - sample request - buy on line -
URF2405QB-100WR3 100 9~36 5 1 2250 DIP URF_QB-100WR3.stp CE URF2405QB-100WR3 申请 buy on line
URF2412QB-100WR3 100 9~36 12 1 2250 DIP URF_QB-100WR3.stp CE URF2412QB-100WR3 申请 buy on line
URF2415QB-100WR3 100 9~36 15 1 2250 DIP URF_QB-100WR3.stp CE URF2415QB-100WR3 申请 buy on line
URF2424QB-100WR3 100 9~36 24 1 2250 DIP URF_QB-100WR3.stp CE URF2424QB-100WR3 申请 buy on line
URF2428QB-100WR3 100 9~36 28 1 2250 DIP URF_QB-100WR3.stp CE URF2428QB-100WR3 申请 buy on line
URF2448QB-100WR3 100 9~36 48 1 2250 DIP URF_QB-100WR3.stp CE URF2448QB-100WR3 申请 buy on line
URF24_QB-100WFR3 100 9~36 5~48 1 2250 DIP URF_QB-100WFR3.stp - CE - URF24_QB-100WFR3 - sample request - buy on line -
URF2405QB-100WFR3 100 9~36 5 1 2250 DIP URF_QB-100WFR3.stp CE URF2405QB-100WFR3 申请 buy on line
URF2412QB-100WFR3 100 9~36 12 1 2250 DIP URF_QB-100WFR3.stp CE URF2412QB-100WFR3 申请 buy on line
URF2415QB-100WFR3 100 9~36 15 1 2250 DIP URF_QB-100WFR3.stp CE URF2415QB-100WFR3 申请 buy on line
URF2424QB-100WFR3 100 9~36 24 1 2250 DIP URF_QB-100WFR3.stp CE URF2424QB-100WFR3 申请 buy on line
URF2428QB-100WFR3 100 9~36 28 1 2250 DIP URF_QB-100WFR3.stp CE URF2428QB-100WFR3 申请 buy on line
URF2448QB-100WFR3 100 9~36 48 1 2250 DIP URF_QB-100WFR3.stp CE URF2448QB-100WFR3 申请 buy on line
URF24_QB-100WHR3 100 9~36 5~48 1 2250 DIP URF24_QB-100WHR3.stp - CE - URF24_QB-100WHR3 - sample request - buy on line -
URF2405QB-100WHR3 100 9~36 5 1 2250 DIP URF24_QB-100WHR3.stp CE URF2405QB-100WHR3 申请 buy on line
URF2412QB-100WHR3 100 9~36 12 1 2250 DIP URF24_QB-100WHR3.stp CE URF2412QB-100WHR3 申请 buy on line
URF2415QB-100WHR3 100 9~36 15 1 2250 DIP URF24_QB-100WHR3.stp CE URF2415QB-100WHR3 申请 buy on line
URF2424QB-100WHR3 100 9~36 24 1 2250 DIP URF24_QB-100WHR3.stp CE URF2424QB-100WHR3 申请 buy on line
URF2428QB-100WHR3 100 9~36 28 1 2250 DIP URF24_QB-100WHR3.stp CE URF2428QB-100WHR3 申请 buy on line
URF2448QB-100WHR3 100 9~36 48 1 2250 DIP URF24_QB-100WHR3.stp CE URF2448QB-100WHR3 申请 buy on line
URF48_QB-100WR3 100 18~75 5~48 1 2250 DIP URF_QB-100WR3.stp - CE - URF48_QB-100WR3 - sample request - buy on line -
URF4805QB-100WR3 100 18~75 5 1 2250 DIP URF_QB-100WR3.stp CE URF4805QB-100WR3 申请 buy on line
URF4812QB-100WR3 100 18~75 12 1 2250 DIP URF_QB-100WR3.stp CE URF4812QB-100WR3 申请 buy on line
URF4815QB-100WR3 100 18~75 15 1 2250 DIP URF_QB-100WR3.stp CE URF4815QB-100WR3 申请 buy on line
URF4824QB-100WR3 100 18~75 24 1 2250 DIP URF_QB-100WR3.stp CE URF4824QB-100WR3 申请 buy on line
URF4848QB-100WR3 100 18~75 48 1 2250 DIP URF_QB-100WR3.stp CE URF4848QB-100WR3 申请 buy on line
URF48_QB-100WFR3 100 18~75 5~48 1 2250 DIP URF_QB-100WFR3.stp - CE - URF48_QB-100WFR3 - sample request - buy on line -
URF4805QB-100WFR3 100 18~75 5 1 2250 DIP URF_QB-100WFR3.stp CE URF4805QB-100WFR3 申请 buy on line
URF4812QB-100WFR3 100 18~75 12 1 2250 DIP URF_QB-100WFR3.stp CE URF4812QB-100WFR3 申请 buy on line
URF4815QB-100WFR3 100 18~75 15 1 2250 DIP URF_QB-100WFR3.stp CE URF4815QB-100WFR3 申请 buy on line
URF4824QB-100WFR3 100 18~75 24 1 2250 DIP URF_QB-100WFR3.stp CE URF4824QB-100WFR3 申请 buy on line
URF4848QB-100WFR3 100 18~75 48 1 2250 DIP URF_QB-100WFR3.stp CE URF4848QB-100WFR3 申请 buy on line
URF48_QB-100WHR3 100 18~75 5~48 1 2250 DIP - CE - URF48_QB-100WHR3 - sample request - buy on line -
URF4805QB-100WHR3 100 18~75 5 1 2250 DIP - CE URF4805QB-100WHR3 申请 buy on line
URF4812QB-100WHR3 100 18~75 12 1 2250 DIP - CE URF4812QB-100WHR3 申请 buy on line
URF4815QB-100WHR3 100 18~75 15 1 2250 DIP - CE URF4815QB-100WHR3 申请 buy on line
URF4824QB-100WHR3 100 18~75 24 1 2250 DIP - CE URF4824QB-100WHR3 申请 buy on line
URF4848QB-100WHR3 100 18~75 48 1 2250 DIP - CE URF4848QB-100WHR3 申请 buy on line
PV120-27Bxx 120 200~1100 12~48 1 4000VAC Chassis PV120-27Bxx.stp - - PV120-27Bxx - sample request - buy on line -
PV120-27B12 90 200~1100 12 1 4000VAC Chassis PV120-27Bxx.stp - PV120-27B12 申请 buy on line
PV120-27B15 100 200~1100 15 1 4000VAC Chassis PV120-27Bxx.stp - PV120-27B15 申请 buy on line
PV120-27B24 120 200~1100 24 1 4000VAC Chassis PV120-27Bxx.stp - PV120-27B24 申请 buy on line
PV120-27B26 120 200~1100 26 1 4000VAC Chassis PV120-27Bxx.stp - PV120-27B26 申请 buy on line
PV120-27B28 120 200~1100 28 1 4000VAC Chassis PV120-27Bxx.stp - PV120-27B28 申请 buy on line
PV120-27B48 120 200~1100 48 1 4000VAC Chassis PV120-27Bxx.stp - PV120-27B48 申请 buy on line
URF1D_HB-150WR3 150 43~160 5~48 1 3000VAC DIP - CE - URF1D_HB-150WR3 - sample request - buy on line -
URF1D05HB-150WR3 150 43~160 5 1 3000VAC DIP - CE URF1D05HB-150WR3 申请 buy on line
URF1D12HB-150WR3 150 43~160 12 1 3000VAC DIP - CE URF1D12HB-150WR3 申请 buy on line
URF1D15HB-150WR3 150 43~160 15 1 3000VAC DIP - CE URF1D15HB-150WR3 申请 buy on line
URF1D24HB-150WR3 150 43~160 24 1 3000VAC DIP - CE URF1D24HB-150WR3 申请 buy on line
URF1D48HB-150WR3 150 43~160 48 1 3000VAC DIP - CE URF1D48HB-150WR3 申请 buy on line
URF1D_HB-150WHR3 150 43~160 5~48 1 3000VAC DIP(With heatsink) - - URF1D_HB-150WHR3 - sample request - buy on line -
URF1D05HB-150WHR3 150 43~160 5 1 3000VAC DIP(With heatsink) - - URF1D05HB-150WHR3 申请 buy on line
URF1D12HB-150WHR3 150 43~160 12 1 3000VAC DIP(With heatsink) - - URF1D12HB-150WHR3 申请 buy on line
URF1D15HB-150WHR3 150 43~160 15 1 3000VAC DIP(With heatsink) - - URF1D15HB-150WHR3 申请 buy on line
URF1D24HB-150WHR3 150 43~160 24 1 3000VAC DIP(With heatsink) - - URF1D24HB-150WHR3 申请 buy on line
URF1D48HB-150WHR3 150 43~160 48 1 3000VAC DIP(With heatsink) - - URF1D48HB-150WHR3 申请 buy on line
URF48_QB-150WR3 150 18~75 5~48 1 2250 DIP URF48_QB-150WR3.stp - CE - URF48_QB-150WR3 - sample request - buy on line -
URF4805QB-150WR3 150 18~75 5 1 2250 DIP URF48_QB-150WR3.stp CE URF4805QB-150WR3 申请 buy on line
URF4812QB-150WR3 150 18~75 12 1 2250 DIP URF48_QB-150WR3.stp CE URF4812QB-150WR3 申请 buy on line
URF4815QB-150WR3 150 18~75 15 1 2250 DIP URF48_QB-150WR3.stp CE URF4815QB-150WR3 申请 buy on line
URF4824QB-150WR3 150 18~75 24 1 2250 DIP URF48_QB-150WR3.stp CE URF4824QB-150WR3 申请 buy on line
URF4848QB-150WR3 150 18~75 48 1 2250 DIP URF48_QB-150WR3.stp CE URF4848QB-150WR3 申请 buy on line
URF48_QB-150WFR3 150 18~75 5~48 1 2250 DIP - CE - URF48_QB-150WFR3 - sample request - buy on line -
URF4805QB-150WFR3 150 18~75 5 1 2250 DIP - CE URF4805QB-150WFR3 申请 buy on line
URF4812QB-150WFR3 150 18~75 12 1 2250 DIP - CE URF4812QB-150WFR3 申请 buy on line
URF4815QB-150WFR3 150 18~75 15 1 2250 DIP - CE URF4815QB-150WFR3 申请 buy on line
URF4824QB-150WFR3 150 18~75 24 1 2250 DIP - CE URF4824QB-150WFR3 申请 buy on line
URF4848QB-150WFR3 150 18~75 48 1 2250 DIP - CE URF4848QB-150WFR3 申请 buy on line
URF48_QB-150WHR3 150 18~75 12~48 1 2250 DIP - CE - URF48_QB-150WHR3 - sample request - buy on line -
URF4805QB-150WHR3 150 18~75 5 1 2250 DIP - CE URF4805QB-150WHR3 申请 buy on line
URF4812QB-150WHR3 150 18~75 12 1 2250 DIP - CE URF4812QB-150WHR3 申请 buy on line
URF4815QB-150WHR3 150 18~75 15 1 2250 DIP - CE URF4815QB-150WHR3 申请 buy on line
URF4824QB-150WHR3 150 18~75 24 1 2250 DIP - CE URF4824QB-150WHR3 申请 buy on line
URF4848QB-150WHR3 150 18~75 48 1 2250 DIP - CE URF4848QB-150WHR3 申请 buy on line
PV150-29Bxx 150 250~1500 12~48 1 4000VAC Chassis PV150-29Bxx.stp - CE - PV150-29Bxx - sample request - buy on line -
PV150-29B12 120 250~1500 12 1 4000VAC Chassis PV150-29Bxx.stp CE PV150-29B12 申请 buy on line
PV150-29B15 120 250~1500 15 1 4000VAC Chassis PV150-29Bxx.stp CE PV150-29B15 申请 buy on line
PV150-29B24 150 250~1500 24 1 4000VAC Chassis PV150-29Bxx.stp CE PV150-29B24 申请 buy on line
PV150-29B32 150 250~1500 32 1 4000VAC Chassis PV150-29Bxx.stp CE PV150-29B32 申请 buy on line
PV150-29B48 150 250~1500 48 1 4000VAC Chassis PV150-29Bxx.stp CE PV150-29B48 申请 buy on line
PV150-29B28 150 250~1500 28 1 4000VAC Chassis PV150-29Bxx.stp - PV150-29B28 申请 buy on line
URF48_QB-200WR3 200 18~75 12~48 1 2250 DIP URF48_QB-200WR3.stp - CE - URF48_QB-200WR3 - sample request - buy on line -
URF4805QB-200WR3 200 18~75 5 1 2250 DIP URF48_QB-200WR3.stp CE URF4805QB-200WR3 申请 buy on line
URF4812QB-200WR3 200 18~75 12 1 2250 DIP URF48_QB-200WR3.stp CE URF4812QB-200WR3 申请 buy on line
URF4815QB-200WR3 200 18~75 15 1 2250 DIP URF48_QB-200WR3.stp CE URF4815QB-200WR3 申请 buy on line
URF4824QB-200WR3 200 18~75 24 1 2250 DIP URF48_QB-200WR3.stp CE URF4824QB-200WR3 申请 buy on line
URF4848QB-200WR3 200 18~75 48 1 2250 DIP URF48_QB-200WR3.stp CE URF4848QB-200WR3 申请 buy on line
URF48_QB-200WFR3 200 18~75 12~48 1 2250 DIP - CE - URF48_QB-200WFR3 - sample request - buy on line -
URF4805QB-200WFR3 200 18~75 5 1 2250 DIP - CE URF4805QB-200WFR3 申请 buy on line
URF4812QB-200WFR3 200 18~75 12 1 2250 DIP - CE URF4812QB-200WFR3 申请 buy on line
URF4815QB-200WFR3 200 18~75 15 1 2250 DIP - CE URF4815QB-200WFR3 申请 buy on line
URF4824QB-200WFR3 200 18~75 24 1 2250 DIP - CE URF4824QB-200WFR3 申请 buy on line
URF4848QB-200WFR3 200 18~75 48 1 2250 DIP - CE URF4848QB-200WFR3 申请 buy on line
URF48_QB-200WHR3 200 18~75 12~48 1 2250 DIP - CE - URF48_QB-200WHR3 - sample request - buy on line -
URF4805QB-200WHR3 200 18~75 5 1 2250 DIP - CE URF4805QB-200WHR3 申请 buy on line
URF4812QB-200WHR3 200 18~75 12 1 2250 DIP - CE URF4812QB-200WHR3 申请 buy on line
URF4815QB-200WHR3 200 18~75 15 1 2250 DIP - CE URF4815QB-200WHR3 申请 buy on line
URF4824QB-200WHR3 200 18~75 24 1 2250 DIP - CE URF4824QB-200WHR3 申请 buy on line
URF4848QB-200WHR3 200 18~75 48 1 2250 DIP - CE URF4848QB-200WHR3 申请 buy on line
PV200-27Bxx 200 250~1000 12~48 1 4000VAC Chassis PV200-27Bxx.stp - CE - PV200-27Bxx - sample request - buy on line -
PV200-27B12 120 250~1000 12 1 4000VAC Chassis PV200-27Bxx.stp CE PV200-27B12 申请 buy on line
PV200-27B15 150 250~1000 15 1 4000VAC Chassis PV200-27Bxx.stp CE PV200-27B15 申请 buy on line
PV200-27B24 200 250~1000 24 1 4000VAC Chassis PV200-27Bxx.stp CE PV200-27B24 申请 buy on line
PV200-27B26 200 250~1000 26 1 4000VAC Chassis PV200-27Bxx.stp CE PV200-27B26 申请 buy on line
PV200-27B48 200 250~1000 48 1 4000VAC Chassis PV200-27Bxx.stp CE PV200-27B48 申请 buy on line
PV200-29Bxx 200 300 ~1500 24~28 1 4000VAC Chassis PV200-29Bxx.stp - CE - PV200-29Bxx - sample request - buy on line -
PV200-29B32 200 300 ~1500 32 1 4000VAC Chassis - CE PV200-29B32 申请 buy on line
PV200-29B24 200 300 ~1500 24 1 4000VAC Chassis PV200-29Bxx.stp CE PV200-29B24 申请 buy on line
PV200-29B48 200 300 ~1500 48 1 4000VAC Chassis PV200-29Bxx.stp CE PV200-29B48 申请 buy on line
URD482412CCS-240W 240 18~60 24,12 2 1500 Chassis URD482412CCS-240W.stp - - URD482412CCS-240W - sample request - buy on line -
URD482412CCS-240W 240 18~60 24,12 2 1500 Chassis URD482412CCS-240W.stp - URD482412CCS-240W 申请 buy on line
URF1D_HB-250WR3A7 250 43~160 5~54 1 3000VAC Chassis - CE - URF1D_HB-250WR3A7 - sample request - buy on line -
URF1D05HB-250WR3A7 250 43~160 5 1 3000VAC Chassis - - URF1D05HB-250WR3A7 申请 buy on line
URF1D12HB-250WR3A7 250 43~160 12 1 3000VAC Chassis - - URF1D12HB-250WR3A7 申请 buy on line
URF1D15HB-250WR3A7 250 43~160 15 1 3000VAC Chassis - - URF1D15HB-250WR3A7 申请 buy on line
URF1D24HB-250WR3A7 250 43~160 24 1 3000VAC Chassis - - URF1D24HB-250WR3A7 申请 buy on line
URF1D48HB-250WR3A7 250 43~160 48 1 3000VAC Chassis - - URF1D48HB-250WR3A7 申请 buy on line
URF1D54HB-250WR3A7 250 43~160 54 1 3000VAC Chassis - - URF1D54HB-250WR3A7 申请 buy on line

* For reference only. The detailed info please refer to the datasheet.

Series
URF48_QB-75WFR3
URF4805QB-75WFR3
URF4812QB-75WFR3
URF4815QB-75WFR3
URF4824QB-75WFR3
URF4848QB-75WFR3
URF48_QB-75WHR3
URF4805QB-75WHR3
URF4812QB-75WHR3
URF4815QB-75WHR3
URF4824QB-75WHR3
URF4848QB-75WHR3
URF4824QB-75WHR3A6
URF4824QB-75WHR3A6
URF1D_QB-100WR3
URF1D03QB-100WR3
URF1D05QB-100WR3
URF1D12QB-100WR3
URF1D15QB-100WR3
URF1D24QB-100WR3
URF1D48QB-100WR3
URF1D_QB-100WHR3
URF1D03QB-100WHR3
URF1D05QB-100WHR3
URF1D12QB-100WHR3
URF1D15QB-100WHR3
URF1D24QB-100WHR3
URF1D48QB-100WHR3
URF24_QB-100WR3
URF2405QB-100WR3
URF2412QB-100WR3
URF2415QB-100WR3
URF2424QB-100WR3
URF2428QB-100WR3
URF2448QB-100WR3
URF24_QB-100WFR3
URF2405QB-100WFR3
URF2412QB-100WFR3
URF2415QB-100WFR3
URF2424QB-100WFR3
URF2428QB-100WFR3
URF2448QB-100WFR3
URF24_QB-100WHR3
URF2405QB-100WHR3
URF2412QB-100WHR3
URF2415QB-100WHR3
URF2424QB-100WHR3
URF2428QB-100WHR3
URF2448QB-100WHR3
URF48_QB-100WR3
URF4805QB-100WR3
URF4812QB-100WR3
URF4815QB-100WR3
URF4824QB-100WR3
URF4848QB-100WR3
URF48_QB-100WFR3
URF4805QB-100WFR3
URF4812QB-100WFR3
URF4815QB-100WFR3
URF4824QB-100WFR3
URF4848QB-100WFR3
URF48_QB-100WHR3
URF4805QB-100WHR3
URF4812QB-100WHR3
URF4815QB-100WHR3
URF4824QB-100WHR3
URF4848QB-100WHR3
PV120-27Bxx
PV120-27B12
PV120-27B15
PV120-27B24
PV120-27B26
PV120-27B28
PV120-27B48
URF1D_HB-150WR3
URF1D05HB-150WR3
URF1D12HB-150WR3
URF1D15HB-150WR3
URF1D24HB-150WR3
URF1D48HB-150WR3
URF1D_HB-150WHR3
URF1D05HB-150WHR3
URF1D12HB-150WHR3
URF1D15HB-150WHR3
URF1D24HB-150WHR3
URF1D48HB-150WHR3
URF48_QB-150WR3
URF4805QB-150WR3
URF4812QB-150WR3
URF4815QB-150WR3
URF4824QB-150WR3
URF4848QB-150WR3
URF48_QB-150WFR3
URF4805QB-150WFR3
URF4812QB-150WFR3
URF4815QB-150WFR3
URF4824QB-150WFR3
URF4848QB-150WFR3
URF48_QB-150WHR3
URF4805QB-150WHR3
URF4812QB-150WHR3
URF4815QB-150WHR3
URF4824QB-150WHR3
URF4848QB-150WHR3
PV150-29Bxx
PV150-29B12
PV150-29B15
PV150-29B24
PV150-29B32
PV150-29B48
PV150-29B28
URF48_QB-200WR3
URF4805QB-200WR3
URF4812QB-200WR3
URF4815QB-200WR3
URF4824QB-200WR3
URF4848QB-200WR3
URF48_QB-200WFR3
URF4805QB-200WFR3
URF4812QB-200WFR3
URF4815QB-200WFR3
URF4824QB-200WFR3
URF4848QB-200WFR3
URF48_QB-200WHR3
URF4805QB-200WHR3
URF4812QB-200WHR3
URF4815QB-200WHR3
URF4824QB-200WHR3
URF4848QB-200WHR3
PV200-27Bxx
PV200-27B12
PV200-27B15
PV200-27B24
PV200-27B26
PV200-27B48
PV200-29Bxx
PV200-29B32
PV200-29B24
PV200-29B48
URD482412CCS-240W
URD482412CCS-240W
URF1D_HB-250WR3A7
URF1D05HB-250WR3A7
URF1D12HB-250WR3A7
URF1D15HB-250WR3A7
URF1D24HB-250WR3A7
URF1D48HB-250WR3A7
URF1D54HB-250WR3A7

DC/DC Converter-FAQs

How to meet the requirement for ripple & noise when using low-power converters?

Low-power converters have a higher requirement for ripple & noise which need further filtering. 

There are the following measures: 

(1) add a capacitor at the output terminal (the function of the capacitor is to further lower ripple & noise with a relatively low frequency); 

2) add a PI filter at the output terminal by filtering methods of capacitor + DM inductor + capacitor  OR capacitor + CM inductor + capacitor (this method lowers ripple & noise at the same time. If the frequency of the noise is high, it is recommended to use the pattern of capacitor + CM inductor + capacitor);

 (3) customers can choose a power module whose output voltage is one grade higher and add an LDO to reduce ripple & noise (for instance, customers practically need a 3.3V output power module but there are demanding requirements for ripple & noise. Please recommend customer to choose a 5V output power module and add an LDO to lower it to 3.3V, and the LDO can lower ripple & noise).

What are the minimum starting current and input current of a module?

The starting current of a module is generally about 1.4-1.6 times that of the Iin (max). The increase of capacitive load of the output terminal will also increase the starting current value of the module. It is recommended to select the forestage power supply with higher power. For the minimum input current in the unloading condition, please check the ‘No-load current’ section in the datasheet of the corresponding module.

The module fails to start up when the capacitive load is relatively large. How to solve it?

In practical application, the capacitive load exceeds the maximum capacitive load of operating module. In addition, when the output capacitance is extremely large, large starting current is required at the moment of start-up, resulting in the failure of starting the module.

It is recommended to decrease the connected capacitance of the output terminal or add a buffer circuit at the output terminal to improve the capacity of the module to withstand capacitive load

What problems will be caused and how to avoid them if a module starts up with an input voltage lower than the minimum rated one?

The module may be damaged when it starts up at a voltage that is lower than that of input voltage range. Because there is no under-voltage protective circuits for the wide input voltage converters. 

The starting voltage should be determined on the basis of the threshold voltage of MOSFET and soft starting circuit, and the starting voltage of the MOSFET is 2V or more lower than that of the minimum input voltage of the module.

In this circumstance, lower voltage input requires higher input current so as to supply equal power; the power module is susceptible to damage in a higher input current condition.

(1) It should be ensured that the actual input voltage is in the rated range specified in the datasheet; 

(2) it is recommended to add an input under-voltage protective circuit on the front-terminal of the module in accordance with the Wide Input Voltage DC/DC Converter Application Guide.

Why is there high noise when the fixed input voltage product is used as the power source of the relay?

There is high reflected ripple during the operation of the relay. 

It is recommended to implement some filtering measures or add a Y capacitor between the input and output grounds.

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