flyback controllers
C2161 & C2162 flyback controllers
Meet tough new mobile phone no-load requirements to 5 star standard (<30 mW)
Prim...
Description
C2161 & C2162 flyback controllers
Meet tough new mobile phone no-load requirements to 5 star standard (<30 mW)
Primary Side Sensing flyback controllers eliminate the need for secondary feedback circuitry such as optocouplers, thereby reducing BOM costs
Meet ENERGY STAR 2.0 and EU Code of Conduct V4.0 efficiency requirements (Level V)
Overview
CamSemi C2161 and C2162 primary side sensing (PSS) quasi-resonant flyback controllers are aimed at applications up to 8 watts.
These two controllers offer very low no-load power requirements found in today’s applications, such as mobile phone chargers, but also easily programmable frequency, cable compensation, quasi-resonant switching and protection features.
No Load Power 5 Star Requirements
No-Load Power Consumption
Mobile Chargers
Five Star (30 mW) PSS_C2160_AD-2967
PSS_C2160_AD-3115 PSS_C2160_AD-2968
PSS_C2160_AD-2971
40
PSS_C2160_AD-2967
PSS_C2160_AD-3115 PSS_C2160_AD-2968
PSS_C2160_AD-2971
No-Load Power Consumption (mW)
Applications
Typical low power applications include: Mobile phones Cordless telephones Digital cameras Bluetooth headsets MP3 chargers Portable games LED Lighting
Typical Application Circuit
Figure 1: Typical application circuit ≤8 W
No Load Power
The C2161 and C2162 controllers meet the toughest new mobile phone 5 star standard of <30 mW.
No-Load consumption score chart
Five stars = most energy efficient
≤ 0.03 W
CamSemi controllers
C2161/C2162
0 0 0.5 1 1.5 2 2.5 3 3.5 ...
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