UC1843-HiRel
www. ti. com . SLUS896A – AUGUST 2009 – REVISED AUGUST 2009
CURRENT MODE PWM CONTROLLER (KNOWN GOOD DIE)
FEATURES
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• –55°C to 125°C Known Good Die • Controlled Baseline • Optimized For Off-line and DC-to-DC
Converters • Low Start-Up Current (<1 mA) • Automatic Feed Forward Compensation • Pulse-by-Pulse Current Limiting • Enhanced Load Response Characteristics • Under-Voltage Lockout With Hysteresis • Double Pulse Suppression • High Current Totem Pole Output • Internally Trimmed Bandgap Reference • 500-kHz Operation • Low RO Error Amp
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DESCRIPTION
The UC1843 family of control devices provides the necessary features to implement off-line or dc-to-dc fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include under-voltage lockout featuring start up current less than ...
UC1843-HIREL PDF File
