UC3837 controller equivalent, low cost power-saving mode pwm controller.
* UTC proprietary frequency hopping technology for Improved EMI * Programming BNO for higher security
performance.
* Fixed switch frequency 65kHz
* Power-saving mode .
as: battery charger, power adaptor, set-top box power supplies, ink jet printers, open-frame SMPS.
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SOT-26
The UC3837 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 value resistor could be used in the startup circuit to minimize the stand.
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