Design support

Choosing the correct controller
a detailed comparison between C2470 and C2160 families including a decision tree to help choose the best controller for the PSU requirement.

C2161 and C2162 flyback controllers
to meet tough new mobile phone no-load requirements to top specification 5 star standard (<30 mW) without compromising on performance.

C2470 controller for linear PSU replacement
features, benefits and target applications for C2470 controller family.

C2471 linear replacement PSU controller
details on parts targeting applications rated 1 to 6 W and for easy FCC 68 compliance

Controller packing options
detailed information on the various packing options for CamSemi controller families

Solder reflow recommendations
detailed technical requirements for Pb-free soldering of CamSemi parts

Flyback topology - accurate primary side sensing
details of CamSemi proprietary, novel technique to deliver tight curent regulation +/- 5% and removal of up to 11 components typically used in feedback process

Transient response of CamSemi PSS controllers
explaining background to transient response times for mobile phone chargers and achievable results

Quasi resonant switching benefits
further information on the EMI and efficiency benefits of quasi-resonant or valley switching

Power supply topologies vs RDFC
compares linear, RCC and flyback approaches with CamSemi's RDFC topology

RDFC - efficiency and no-load gains
explains how C2470 controller family can help you easily pass new global regulations such as Energy Star 2.0 for efficiency and no-load power

RDFC - resonant EMI benefits
explains why RDFC offers uniquely low EMI compared with flyback and RCC which makes it ideal for telecoms, IT, audio and other sensitive applications

RDFC – safety
explains the safety benefits of using a forward converter topology for off-line power conversion

RDFC - size and weigh benefits

RDFC topology - benefits for audio applications

RDFC topology - benefits for digital picture frames

RDFC topology - benefits for external HDD

RDFC topology - benefits for modem routers

RDFC topology - choosing the correct BJT
describing a variety of BJTs available for RDFC 100 V and 230 V applications including details of manufacturers, part numbers and applicable power ratings.