AC/DC - On-board

On-board AC to DC power supply is using in more and more emerging applications, we are expanding and enhancing our product portfolios to provide you with diverse selections of package configurations (SIP, DIP, open-frame, etc.), input/output voltage options and multiple protections. Range from 1 to 350W, This PCB mounted smps ac to dc concerter features compact size, high reliability, wide operating temperature range, etc., which can meet your requirements of different applications.

On-board
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Series Power(W) Vin(VAC) Vout(VDC) No. of Outputs Isolation(VAC) Package Footprint & 3D Certification Datasheet Sample Buy
LSxx-K3BxxSS 1~3 85~305 5,12 1 - SIP Download - CE - LSxx-K3BxxSS - sample request - buy on line -
LS01-K3B05SS 1 85~305 5 1 - SIP 3D MODEL PCB Symbol Footprint CE LS01-K3B05SS 申请 buy on line
LS03-K3B12SS 3 85~305 12 1 - SIP 3D MODEL PCB Symbol Footprint CE LS03-K3B12SS 申请 buy on line
LS01-15BxxSS 1 85~305 5,9,12,15,24 1 3000 SIP Download - CE UL CB - LS01-15BxxSS - sample request - buy on line -
LS01-15B05SS 1 85~305 5 1 3000 SIP 3D MODEL CE UL CB LS01-15B05SS 申请 buy on line
LS01-15B09SS 1 85~305 9 1 3000 SIP 3D MODEL CE UL CB LS01-15B09SS 申请 buy on line
LS01-15B12SS 1 85~305 12 1 3000 SIP 3D MODEL CE UL CB LS01-15B12SS 申请 buy on line
LS01-15B15SS 1 85~305 15 1 3000 SIP 3D MODEL CE UL CB LS01-15B15SS 申请 buy on line
LS01-15B24SS 1 85~305 24 1 3000 SIP 3D MODEL CE UL CB LS01-15B24SS 申请 buy on line
LS01-15BxxSS-F 1 85~305 5,9,12,15,24 1 3000 SIP Download - CE UL CB - LS01-15BxxSS-F - sample request - buy on line -
LS01-15B05SS-F 1 85~305 5 1 3000 PCB mounting 3D MODEL CE UL CB LS01-15B05SS-F 申请 buy on line
LS01-15B09SS-F 1 85~305 9 1 3000 PCB mounting 3D MODEL CE UL CB LS01-15B09SS-F 申请 buy on line
LS01-15B12SS-F 1 85~305 12 1 3000 PCB mounting 3D MODEL CE UL CB LS01-15B12SS-F 申请 buy on line
LS01-15B15SS-F 1 85~305 15 1 3000 PCB mounting 3D MODEL CE UL CB LS01-15B15SS-F 申请 buy on line
LS01-15B24SS-F 1 85~305 24 1 3000 PCB mounting 3D MODEL CE UL CB LS01-15B24SS-F 申请 buy on line
LSF01-K5BxxSS 1 - - 2 - SIP - CE - LSF01-K5BxxSS - sample request - buy on line -
LSF01-K5B05SS 0.625 - - 2 - SIP - CE LSF01-K5B05SS 申请 buy on line
LSF01-K5B12SS 1 - - 2 - SIP - CE LSF01-K5B12SS 申请 buy on line
LD01-10Bxx 1 85~305 3.3~24 1 3000 DIP Download - CE UL - LD01-10Bxx - sample request - buy on line -
LD01-10B03 1 85~305 3.3 1 3000 DIP 3D MODEL CE UL LD01-10B03 申请 buy on line
LD01-10B05 1 85~305 5 1 3000 DIP 3D MODEL CE UL LD01-10B05 申请 buy on line
LD01-10B09 1 85~305 9 1 3000 DIP 3D MODEL CE UL LD01-10B09 申请 buy on line
LD01-10B12 1 85~305 12 1 3000 DIP 3D MODEL CE UL LD01-10B12 申请 buy on line
LD01-10B15 1 85~305 15 1 3000 DIP 3D MODEL CE UL LD01-10B15 申请 buy on line
LD01-10B24 1 85~305 24 1 3000 DIP 3D MODEL CE UL LD01-10B24 申请 buy on line
LDE02-23Bxx 2 85~305 3.3~24 1 4000 DIP Download - CE UL CB - LDE02-23Bxx - sample request - buy on line -
LDE02-23B03 2 85~305 3.3 1 4000 DIP 3D MODEL CE UL CB LDE02-23B03 申请 buy on line
LDE02-23B05 2 85~305 5 1 4000 DIP 3D MODEL CE UL CB LDE02-23B05 申请 buy on line
LDE02-23B09 2 85~305 9 1 4000 DIP 3D MODEL CE UL CB LDE02-23B09 申请 buy on line
LDE02-23B12 2 85~305 12 1 4000 DIP 3D MODEL CE UL CB LDE02-23B12 申请 buy on line
LDE02-23B15 2 85~305 15 1 4000 DIP 3D MODEL CE UL CB LDE02-23B15 申请 buy on line
LDE02-23B24 2 85~305 24 1 4000 DIP 3D MODEL CE UL CB LDE02-23B24 申请 buy on line
LD02-10Bxx 2 85~305 5 1 3000 DIP Download - CE UL - LD02-10Bxx - sample request - buy on line -
LD02-10B05 2 85~305 5 1 3000 DIP 3D MODEL CE UL LD02-10B05 申请 buy on line
CLS03-15A12SR2S 2.4 85~264 -12,12 2 3000 SIP - - CLS03-15A12SR2S - sample request - buy on line -
CLS03-15A12SR2S 2.4 85~264 -12,12 2 3000 SIP - - CLS03-15A12SR2S 申请 buy on line
CLS03-15A12SR2S-QC 2.4 85~264 -12,12 2 3000 SIP - - CLS03-15A12SR2S-QC - sample request - buy on line -
CLS03-15A12SR2S-QC 2.4 85~264 -12,12 2 3000 SIP - - CLS03-15A12SR2S-QC 申请 buy on line
LS03-15A12SR2S 2.4 85~264 -12,12 2 3000 SIP - - LS03-15A12SR2S - sample request - buy on line -
LS03-15A12SR2S 2.4 85~264 -12,12 2 3000 SIP - - LS03-15A12SR2S 申请 buy on line
LD03-20BxxWG 3 85~264 5~24 1 4000 DIP Download - CE - LD03-20BxxWG - sample request - buy on line -
LD03-20B05WG 3 85~264 5 1 4000 DIP 3D MODEL CE LD03-20B05WG 申请 buy on line
LD03-20B12WG 3 85~264 12 1 4000 DIP 3D MODEL CE LD03-20B12WG 申请 buy on line
LD03-20B24WG 3 85~264 24 1 4000 DIP 3D MODEL CE LD03-20B24WG 申请 buy on line
LDE03-20BxxW 3 85~264 3.3~24 1 4000 DIP Download - CE UL CB - LDE03-20BxxW - sample request - buy on line -
LDE03-20B03W 2.3 85~264 3.3 1 4000 DIP 3D MODEL CE UL CB LDE03-20B03W 申请 buy on line
LDE03-20B15W 3 85~264 5 1 4000 DIP 3D MODEL CE UL CB LDE03-20B15W 申请 buy on line
LDE03-20B05W 3 85~264 5 1 4000 DIP 3D MODEL CE UL CB LDE03-20B05W 申请 buy on line
LDE03-20B09W 3 85~264 9 1 4000 DIP 3D MODEL CE UL CB LDE03-20B09W 申请 buy on line
LDE03-20B12W 3 85~264 12 1 4000 DIP 3D MODEL CE UL CB LDE03-20B12W 申请 buy on line
LDE03-20B24W 3 85~264 24 1 4000 DIP 3D MODEL CE UL CB LDE03-20B24W 申请 buy on line
LDE03-20Bxx 3 85~264 3.3~24 1 4000 DIP Download - CE UL CB - LDE03-20Bxx - sample request - buy on line -
LDE03-20B03 2.3 85~264 3.3 1 4000 DIP 3D MODEL CE UL CB LDE03-20B03 申请 buy on line
LDE03-20B05 3 85~264 5 1 4000 DIP 3D MODEL CE UL CB LDE03-20B05 申请 buy on line
LDE03-20B09 3 85~264 9 1 4000 DIP 3D MODEL CE UL CB LDE03-20B09 申请 buy on line
LDE03-20B12 3 85~264 12 1 4000 DIP 3D MODEL CE UL CB LDE03-20B12 申请 buy on line
LDE03-20B15 3 85~264 15 1 4000 DIP 3D MODEL CE UL CB LDE03-20B15 申请 buy on line
LDE03-20B24 3 85~264 24 1 4000 DIP 3D MODEL CE UL CB LDE03-20B24 申请 buy on line
LD03-16Bxx 3 90~528 3.3~24 1 3000 DIP Download - CE UL - LD03-16Bxx - sample request - buy on line -
LD03-16B03 1.65 90~528 3.3 1 3000 DIP 3D MODEL PCB Symbol Footprint CE UL LD03-16B03 申请 buy on line
LD03-16B05 2.5 90~528 5 1 3000 DIP 3D MODEL PCB Symbol Footprint CE UL LD03-16B05 申请 buy on line
LD03-16B09 3 90~528 9 1 3000 DIP 3D MODEL PCB Symbol Footprint CE UL LD03-16B09 申请 buy on line
LD03-16B12 3 90~528 12 1 3000 DIP 3D MODEL PCB Symbol Footprint CE UL LD03-16B12 申请 buy on line
LD03-16B15 3 90~528 15 1 3000 DIP 3D MODEL PCB Symbol Footprint CE UL LD03-16B15 申请 buy on line
LD03-16B24 3 90~528 24 1 3000 DIP 3D MODEL PCB Symbol Footprint CE UL LD03-16B24 申请 buy on line
LD03-20Bxx-C 3 85~264 3.3~24 1 4000 DIP Download - CE UL CB - LD03-20Bxx-C - sample request - buy on line -
LD03-20B03-C 2.3 85~264 3.3 1 4000 DIP 3D MODEL CE UL CB LD03-20B03-C 申请 buy on line
LD03-20B05-C 3 85~264 5 1 4000 DIP 3D MODEL CE UL CB LD03-20B05-C 申请 buy on line
LD03-20B09-C 3 85~264 9 1 4000 DIP 3D MODEL CE UL CB LD03-20B09-C 申请 buy on line
LD03-20B12-C 3 85~264 12 1 4000 DIP 3D MODEL CE UL CB LD03-20B12-C 申请 buy on line
LD03-20B15-C 3 85~264 15 1 4000 DIP 3D MODEL CE UL CB LD03-20B15-C 申请 buy on line
LD03-20B24-C 3 85~264 24 1 4000 DIP 3D MODEL CE UL CB LD03-20B24-C 申请 buy on line
LO03-10Bxx 3 85~264 3.3~24 1 3000 Open frame Download - - LO03-10Bxx - sample request - buy on line -
LO03-10B03 2.3 85~264 3.3 1 3000 Open frame 3D MODEL - LO03-10B03 申请 buy on line
LO03-10B05 3 85~264 5 1 3000 Open frame 3D MODEL - LO03-10B05 申请 buy on line
LO03-10B09 3 85~264 9 1 3000 Open frame 3D MODEL - LO03-10B09 申请 buy on line
LO03-10B12 3 85~264 12 1 3000 Open frame 3D MODEL - LO03-10B12 申请 buy on line
LO03-10B15 3 85~264 15 1 3000 Open frame 3D MODEL - LO03-10B15 申请 buy on line
LO03-10B24 3 85~264 24 1 3000 Open frame 3D MODEL - LO03-10B24 申请 buy on line
LS03-16BxxSS(-F) 3 90~528 3.3,5,9,12,15,24 1 4000 SIP Download - CE UL - LS03-16BxxSS(-F) - sample request - buy on line -
LS03-16B03SS 1.65 90~528 3.3 1 4000 SIP 3D MODEL CE UL LS03-16B03SS 申请 buy on line
LS03-16B03SS-F 1.65 90~528 3.3 1 4000 PCB mounting 3D MODEL CE UL LS03-16B03SS-F 申请 buy on line
LS03-16B05SS 2.5 90~528 5 1 4000 SIP 3D MODEL CE UL LS03-16B05SS 申请 buy on line
LS03-16B05SS-F 2.5 90~528 5 1 4000 PCB mounting 3D MODEL CE UL LS03-16B05SS-F 申请 buy on line
LS03-16B09SS 3 90~528 9 1 4000 SIP 3D MODEL CE UL LS03-16B09SS 申请 buy on line
LS03-16B09SS-F 3 90~528 9 1 4000 PCB mounting 3D MODEL CE UL LS03-16B09SS-F 申请 buy on line
LS03-16B12SS 3 90~528 12 1 4000 SIP 3D MODEL CE UL LS03-16B12SS 申请 buy on line
LS03-16B12SS-F 3 90~528 12 1 4000 PCB mounting 3D MODEL CE UL LS03-16B12SS-F 申请 buy on line
LS03-16B15SS 3 90~528 15 1 4000 SIP 3D MODEL CE UL LS03-16B15SS 申请 buy on line
LS03-16B15SS-F 3 90~528 15 1 4000 PCB mounting 3D MODEL CE UL LS03-16B15SS-F 申请 buy on line
LS03-16B24SS 3 90~528 24 1 4000 SIP 3D MODEL CE UL LS03-16B24SS 申请 buy on line
LS03-16B24SS-F 3 90~528 24 1 4000 PCB mounting 3D MODEL CE UL LS03-16B24SS-F 申请 buy on line
LDE03-20Bxx-O 3 85~264 3.3~24 1 4000 DIP Download - CE UL CB - LDE03-20Bxx-O - sample request - buy on line -
LDE03-20B03-O 2.3 85~264 3.3 1 4000 DIP 3D MODEL CE UL CB LDE03-20B03-O 申请 buy on line
LDE03-20B05-O 3 85~264 5 1 4000 DIP 3D MODEL CE UL CB LDE03-20B05-O 申请 buy on line
LDE03-20B09-O 3 85~264 9 1 4000 DIP 3D MODEL CE UL CB LDE03-20B09-O 申请 buy on line
LDE03-20B12-O 3 85~264 12 1 4000 DIP 3D MODEL CE UL CB LDE03-20B12-O 申请 buy on line
LDE03-20B15-O 3 85~264 15 1 4000 DIP 3D MODEL CE UL CB LDE03-20B15-O 申请 buy on line
LDE03-20B24-O 3 85~264 24 1 4000 DIP 3D MODEL CE UL CB LDE03-20B24-O 申请 buy on line
LS03-13BxxR3 3 85~305 3.3,5,9,12,15,24 1 3000 SIP Download - CE UL CB - LS03-13BxxR3 - sample request - buy on line -
LS03-13B03R3 1.98 85~305 3.3 1 3000 SIP 3D MODEL PCB Symbol Footprint CE UL CB LS03-13B03R3 申请 buy on line
LS03-13B05R3 3 85~305 5 1 3000 SIP 3D MODEL PCB Symbol Footprint CE UL CB LS03-13B05R3 申请 buy on line
LS03-13B09R3 3 85~305 9 1 3000 SIP 3D MODEL PCB Symbol Footprint CE UL CB LS03-13B09R3 申请 buy on line
LS03-13B12R3 3 85~305 12 1 3000 SIP 3D MODEL PCB Symbol Footprint CE UL CB LS03-13B12R3 申请 buy on line
LS03-13B15R3 3 85~305 15 1 3000 SIP 3D MODEL PCB Symbol Footprint CE UL CB LS03-13B15R3 申请 buy on line
LS03-13B24R3 3 85~305 24 1 3000 SIP 3D MODEL PCB Symbol Footprint CE UL CB LS03-13B24R3 申请 buy on line
LD03-23BxxR2 3 85~305 3.3~24 1 4000 DIP Download - CE UL CB - LD03-23BxxR2 - sample request - buy on line -
LD03-23B03R2 3 85~305 3.3 1 4000 DIP 3D MODEL PCB Symbol Footprint CE UL CB LD03-23B03R2 申请 buy on line
LD03-23B05R2 3 85~305 5 1 4000 DIP 3D MODEL PCB Symbol Footprint CE UL CB LD03-23B05R2 申请 buy on line
LD03-23B09R2 3 85~305 9 1 4000 DIP 3D MODEL PCB Symbol Footprint CE UL CB LD03-23B09R2 申请 buy on line
LD03-23B12R2 3 85~305 12 1 4000 DIP 3D MODEL PCB Symbol Footprint CE UL CB LD03-23B12R2 申请 buy on line
LD03-23B15R2 3 85~305 15 1 4000 DIP 3D MODEL PCB Symbol Footprint CE UL CB LD03-23B15R2 申请 buy on line
LD03-23B24R2 3 85~305 24 1 4000 DIP 3D MODEL PCB Symbol Footprint CE UL CB LD03-23B24R2 申请 buy on line
LO03-10B12-C 3 85~264 12 1 3000 Open frame - - LO03-10B12-C - sample request - buy on line -
LO03-10B12-C 3 85~264 12 1 3000 Open frame - - LO03-10B12-C 申请 buy on line
LDE05-23Bxx 5 85~305 3.3~24 1 4000 DIP Download - CE - LDE05-23Bxx - sample request - buy on line -
LDE05-23B03 4.2 85~305 3.3 1 4000 DIP 3D MODEL CE LDE05-23B03 申请 buy on line
LDE05-23B05 5 85~305 5 1 4000 DIP 3D MODEL CE LDE05-23B05 申请 buy on line
LDE05-23B09 5 85~305 9 1 4000 DIP 3D MODEL CE LDE05-23B09 申请 buy on line
LDE05-23B12 5 85~305 12 1 4000 DIP 3D MODEL Pending LDE05-23B12 申请 buy on line
LDE05-23B15 5 85~305 15 1 4000 DIP 3D MODEL Pending LDE05-23B15 申请 buy on line
LDE05-23B24 5.5 85~305 24 1 4000 DIP 3D MODEL Pending LDE05-23B24 申请 buy on line
LDE05-20BxxW 5 85~264 3.3~24 1 4000 DIP Download - CE UL CB - LDE05-20BxxW - sample request - buy on line -
LDE05-20B03W 3.3 85~264 3.3 1 4000 DIP 3D MODEL CE UL CB LDE05-20B03W 申请 buy on line
LDE05-20B05W 5 85~264 5 1 4000 DIP 3D MODEL CE UL CB LDE05-20B05W 申请 buy on line
LDE05-20B09W 5 85~264 9 1 4000 DIP 3D MODEL CE UL CB LDE05-20B09W 申请 buy on line
LDE05-20B12W 5 85~264 2 1 4000 DIP 3D MODEL CE UL CB LDE05-20B12W 申请 buy on line
LDE05-20B15W 5 85~264 5 1 4000 DIP 3D MODEL CE UL CB LDE05-20B15W 申请 buy on line
LDE05-20B24W 5 85~264 24 1 4000 DIP 3D MODEL CE UL CB LDE05-20B24W 申请 buy on line
LDE05-20Bxx 5 85~264 3.3~24 1 4000 DIP Download - CE UL CB - LDE05-20Bxx - sample request - buy on line -
LDE05-20B03 3.3 85~264 3.3 1 4000 DIP 3D MODEL CE UL CB LDE05-20B03 申请 buy on line
LDE05-20B05 5 85~264 5 1 4000 DIP 3D MODEL CE UL CB LDE05-20B05 申请 buy on line
LDE05-20B09 5 85~264 9 1 4000 DIP 3D MODEL CE UL CB LDE05-20B09 申请 buy on line
LDE05-20B12 5 85~264 2 1 4000 DIP 3D MODEL CE UL CB LDE05-20B12 申请 buy on line
LDE05-20B15 5 85~264 15 1 4000 DIP 3D MODEL CE UL CB LDE05-20B15 申请 buy on line
LDE05-20B24 5 85~264 24 1 4000 DIP 3D MODEL CE UL CB LDE05-20B24 申请 buy on line
LD05-23Bxx 5 85~305 3.3~24 1 3000 DIP Download - CE UL CB - LD05-23Bxx - sample request - buy on line -
LD05-23B03 4.2 85~305 3.3 1 3000 DIP 3D MODEL CE UL CB LD05-23B03 申请 buy on line
LD05-23B05 5 85~305 5 1 4000 DIP 3D MODEL CE UL CB LD05-23B05 申请 buy on line
LD05-23B09 5 85~305 9 1 3000 DIP 3D MODEL CE UL CB LD05-23B09 申请 buy on line
LD05-23B12 5 85~305 12 1 3000 DIP 3D MODEL CE UL CB LD05-23B12 申请 buy on line
LD05-23B15 5 85~305 15 1 3000 DIP 3D MODEL CE UL CB LD05-23B15 申请 buy on line
LD05-23B24 5.5 85~305 24 1 3000 DIP 3D MODEL CE UL CB LD05-23B24 申请 buy on line

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

Series
LSxx-K3BxxSS
LS01-K3B05SS
LS03-K3B12SS
LS01-15BxxSS
LS01-15B05SS
LS01-15B09SS
LS01-15B12SS
LS01-15B15SS
LS01-15B24SS
LS01-15BxxSS-F
LS01-15B05SS-F
LS01-15B09SS-F
LS01-15B12SS-F
LS01-15B15SS-F
LS01-15B24SS-F
LSF01-K5BxxSS
LSF01-K5B05SS
LSF01-K5B12SS
LD01-10Bxx
LD01-10B03
LD01-10B05
LD01-10B09
LD01-10B12
LD01-10B15
LD01-10B24
LDE02-23Bxx
LDE02-23B03
LDE02-23B05
LDE02-23B09
LDE02-23B12
LDE02-23B15
LDE02-23B24
LD02-10Bxx
LD02-10B05
CLS03-15A12SR2S
CLS03-15A12SR2S
CLS03-15A12SR2S-QC
CLS03-15A12SR2S-QC
LS03-15A12SR2S
LS03-15A12SR2S
LD03-20BxxWG
LD03-20B05WG
LD03-20B12WG
LD03-20B24WG
LDE03-20BxxW
LDE03-20B03W
LDE03-20B15W
LDE03-20B05W
LDE03-20B09W
LDE03-20B12W
LDE03-20B24W
LDE03-20Bxx
LDE03-20B03
LDE03-20B05
LDE03-20B09
LDE03-20B12
LDE03-20B15
LDE03-20B24
LD03-16Bxx
LD03-16B03
LD03-16B05
LD03-16B09
LD03-16B12
LD03-16B15
LD03-16B24
LD03-20Bxx-C
LD03-20B03-C
LD03-20B05-C
LD03-20B09-C
LD03-20B12-C
LD03-20B15-C
LD03-20B24-C
LO03-10Bxx
LO03-10B03
LO03-10B05
LO03-10B09
LO03-10B12
LO03-10B15
LO03-10B24
LS03-16BxxSS(-F)
LS03-16B03SS
LS03-16B03SS-F
LS03-16B05SS
LS03-16B05SS-F
LS03-16B09SS
LS03-16B09SS-F
LS03-16B12SS
LS03-16B12SS-F
LS03-16B15SS
LS03-16B15SS-F
LS03-16B24SS
LS03-16B24SS-F
LDE03-20Bxx-O
LDE03-20B03-O
LDE03-20B05-O
LDE03-20B09-O
LDE03-20B12-O
LDE03-20B15-O
LDE03-20B24-O
LS03-13BxxR3
LS03-13B03R3
LS03-13B05R3
LS03-13B09R3
LS03-13B12R3
LS03-13B15R3
LS03-13B24R3
LD03-23BxxR2
LD03-23B03R2
LD03-23B05R2
LD03-23B09R2
LD03-23B12R2
LD03-23B15R2
LD03-23B24R2
LO03-10B12-C
LO03-10B12-C
LDE05-23Bxx
LDE05-23B03
LDE05-23B05
LDE05-23B09
LDE05-23B12
LDE05-23B15
LDE05-23B24
LDE05-20BxxW
LDE05-20B03W
LDE05-20B05W
LDE05-20B09W
LDE05-20B12W
LDE05-20B15W
LDE05-20B24W
LDE05-20Bxx
LDE05-20B03
LDE05-20B05
LDE05-20B09
LDE05-20B12
LDE05-20B15
LDE05-20B24
LD05-23Bxx
LD05-23B03
LD05-23B05
LD05-23B09
LD05-23B12
LD05-23B15
LD05-23B24

On-board-FAQs

Why does the mark of the products show 100VAC-240VAC while the datasheet shows 85VAC-264VAC?

This is mainly for safety certification purposes. When certification authority tests product performance, they will make the input voltage range on the mark fluctuate by +10% and -15%, so the common practice in the industry is to set the input voltage range of 100VAC-240VAC on the mark.

The AC/DC Converters produce instantaneous high current upon load access. Does this influence the module?

If the large instantaneous current of the AC/DC Converters upon load access does not exceed the over-current protection point of the module, it will not have any impact on the module. See the datasheet for the over-current protection point of the module. If the current exceeds the over-current protection point of the module, the module will trigger the protection and voltage dip occur, and then recover.

What is the possible reason for the surface temperature rise of the power module case?

The temperature rise of the power module case depends on the efficiency and loss of the module, and the surrounding environment temperature. Under the normal circumstance, the temperature for power module will remain stable within 30 to 60 minutes upon start-up. The temperature rise is continuously ascending in the earlier stage. If the power module is in a confined space without an effective heat consumption output, the environment temperature will keep rising due to the presence of the heating elements, which also causes the temperature rise of the module.

Why do the positive and negative voltages change when the load of AC/DC positive and negative dual output products is unbalanced?

AC/DC multi- output products generally apply single output feedback design. The output voltage without feedback will fluctuate when the output load is unbalanced. Most of our AC/DC positive and negative dual output products adopt negative output voltage feedback design, so a load imbalance will cause a change in positive output voltages.

Why are ripple & noise high when products operate in the light load?

To lower the standby power consumption of the product and improve the light load efficiency, AC/DC Converters may operate in a skipping cycle mode in the light load condition. The ripple & noises are fairly high but the output voltage is regulated. 

It is a normal phenomenon for fairly high ripple & noise in the light load condition (below 10%). To avoid this situation, it is recommended that customers use a module with load no lower than 10%.

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