Datasheet Texas Instruments 5962-8670404VXA — Datenblatt

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Documents UC1842, UC2842, UC3842, UC1843, UC2843, UC3843
UC1844, UC2844, UC3844, UC1845, UC2845, UC3845
SLUS223E – APRIL 1997 – REVISED JANUARY 2017 UCx84x Current-Mode PWM Controllers
1 1 Features The UCx84x family offers a variety of package
options, temperature range options, choice of
maximum duty cycle, and choice of turnon and turnoff
thresholds and hysteresis ranges. Devices with
higher turnon or turnoff hysteresis are ideal choices
for off-line power supplies, while the devices with a
narrower hysteresis range are suited for DC-DC
applications. The UC184x devices are specified for
operation from –55°C to 125°C, the UC284x series is
specified for operation from –40°C to 85°C, and the
UC384x series is specified for operation from 0В°C to
70В°C. Optimized for Off-Line and DC-to-DC Converters
Low Start-Up Current (< 1 mA)
Automatic Feedforward Compensation
Pulse-by-Pulse Current Limiting …