OB2278 Datasheet





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OB2278 Datasheet - Current Mode PWM Controller

OB2278   OB2278  

Datasheet: OB2278 datasheet

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Description: Current Mode PWM ControllerLatch Shutdow n OB2278 Product Specification GENER AL DESCRIPTION OB2278 is a highly integ rated current mode PWM control IC optim ized for high performance, low standby power and cost effective offline flybac k converter applications. PWM switching frequency at normal operation is exter nally programmable and trimmed to tight range. At no load or light load condit ion, the IC operates in extended ‘bur st mode’ to minimize switching loss. Lower standby power and higher conversi on efficiency is thus achieved. VDD low startup current and low operating curr ent contribute to a reliable power on s tartup design with OB2278. A large valu e resistor could thus be used in the sta


Manufacture Part Number Description

On-Bright

OB2278

Current Mode PWM Controller




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