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UC2845

Part Number	UC2845
Manufacturer	Texas Instruments
Description	Current-Mode PWM Controller
Published	Oct 16, 2019
Detailed Description	UC1842, UC2842, UC3842, UC1843, UC2843, UC3843 UC1844, UC2844, UC3844, UC1845, UC2845, UC3845 SLUS223G – APRIL 1997 – RE...
Datasheet	UC2845 PDF File

Overview

UC1842, UC2842, UC3842, UC1843, UC2843, UC3843 UC1844, UC2844, UC3844, UC1845, UC2845, UC3845 SLUS223G – APRIL 1997 – REVISED JULY 2022 UCx84x Current-Mode PWM Controllers 1 Features • Optimized for off-line and DC-to-DC converters • Low start-up current (< 1 mA) • Automatic feedforward compensation • Pulse-by-pulse current limiting • Enhanced load-response characteristics • Undervoltage lockout with hysteresis • Double-pulse suppression • High-current totem-pole output • Internally trimmed bandgap reference • Up to 500-kHz operation • Error amplifier with low output resistance 2 Applications • Switching regulators of any polarity • Transformer-coupled DC-DC converters 3 Description The UCx...

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