Green Current-Mode PWM Controller
FAN7602B — Green Current-Mode PWM Controller
March 2007
FAN7602B Green Current-Mode PWM Controller
Features
Green Cu...
Description
FAN7602B — Green Current-Mode PWM Controller
March 2007
FAN7602B Green Current-Mode PWM Controller
Features
Green Current-Mode PWM Control Fixed 65kHz Operation Internal High-Voltage Start-up Switch Burst-Mode Operation Line Voltage Feedforward to Limit Maximum Power Line Under-Voltage Protection Latch Protection & Internal Soft-Start (10ms) Function Overload Protection Over-Voltage Protection Low Operation Current: 1mA Typical 8-pin DIP/SOP
Description
The FAN7602B is a green current-mode PWM controller. It is specially designed for off-line adapter applications; DVDP, VCR, LCD monitor applications; and auxiliary power supplies. The internal high-voltage start-up switch and the burstmode operation reduce the power loss in standby mode. As a result, it is possible to supply 0.5W load, limiting the input power under 1W when the input line voltage is 265VAC. On no-load condition, input power is under 0.3W. The maximum power can be limited constantly, regardless of the line voltage change, using the power limit function. The switching frequency is internally fixed at 65kHz. The FAN7602B includes various protections for the system reliability and the internal soft-start prevents the output voltage over-shoot at start-up.
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Applications
Adapter LCD Monitor Power Auxiliary Power Supply
Related Application Notes
AN6014 - Green Current Mode PWM Controller
FAN7602
Ordering Information
Part Number
FAN7602BN FAN7602BM FAN7602BMX -25...
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