UC3873B controller equivalent, low cost power-saving mode pwm controller.
* UTC proprietary frequency hopping technology for Improved EMI performance. * Power-saving mode for high light-load and standby efficiency * Soft Start * Dynamic peak c.
as: battery charger, power adaptor, set-top box power supplies, ink jet
printers, open-frame SMPS.
* FEATURES
* U.
The UC3873B is a high performance current mode PWM controller ideally suited for low standby power. Low VDD startup current make the power reliable on startup design and a large
54 6
23 1
SOT-26
value resistor could be used in the startup circuit t.
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