Part Number
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UC2842 |
Manufacturer
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ST Microelectronics |
Description
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(UC2843 / UC2844 / UC2845) CURRENTMODE PWM CONTROLLER |
Published
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Aug 5, 2005 |
Detailed Description
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®
UC2842/3/4/5 UC3842/3/4/5
CURRENT MODE PWM CONTROLLER
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OPTIMIZED FOR OFF-LINE AND DC TO DC CON...
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Datasheet
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UC2842
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Overview
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UC2842/3/4/5 UC3842/3/4/5
CURRENT MODE PWM CONTROLLER
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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
Minidip
SO14
DESCRIPTION TheUC3842/3/4/5family of controlICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal externalparts count.
Internallyimplementedcircuits include undervoltagelockout f...
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