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UC3842A

Texas Instruments
Part Number UC3842A
Manufacturer Texas Instruments
Description Current-Mode PWM Controllers
Published Oct 16, 2019
Detailed Description UC1842A, UC1843A, UC1844A, UC1845A UC2842A, UC2843A, UC2844A, UC2845A UC3842A, UC3843A, UC3844A, UC3845A SLUS224G – SEPT...
Datasheet PDF File UC3842A PDF File

UC3842A
UC3842A

Overview
UC1842A, UC1843A, UC1844A, UC1845A UC2842A, UC2843A, UC2844A, UC2845A UC3842A, UC3843A, UC3844A, UC3845A SLUS224G – SEPTEMBER 1994 – REVISED JULY 2022 UCx84xA Current-Mode PWM Controller 1 Features • Optimized for Off-Line and DC-DC Converters • Low Start-Up Current (< 0.
5 mA) • Trimmed Oscillator Discharge Current • 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 • Create a Custom Design Using the UCx84xA With the WEBENCH® Power Designer 2 Applications • Switch Mode Power Supplies (SMPS) • DC-DC Converters • Power Modules • Industrial PSU • Battery Operated PSU 3 Description The UCx84xA family of control devices is a pin-for-pin compatible improved version of the UCx84x family.
Providing the necessary features to control currentmode or switched-mode power supp...


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