* UTC proprietary frequency hopping technology for Improved EMI performance. * Power-saving mode for high light-load and standby efficiency * Dynamic peak current limiti.

as: battery charger, power adaptor, set-top box power supplies, ink jet printers, open-frame SMPS.
* FEATURES * UT.

The UTC UC3875A is a high performance current mode PWM controller ideally suited for low standby power. The PWM switching frequency is programmable externally at normal operation. Low VDD startup current make the power reliable on startup design and.

UC3875

UC3875L

UC3871

UC3872

UC3873

UC3873B

UC3873C

UC3873H

UC3873HL

UC3873L

UC3874-1

UC3874-2

UC3876