Datenblatt-Suchmaschine für elektronische Bauteile |
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CA1523 Datenblatt(PDF) 1 Page - Intersil Corporation |
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CA1523 Datenblatt(HTML) 1 Page - Intersil Corporation |
1 / 6 page 7-11 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 407-727-9207 | Copyright © Intersil Corporation 1999 CA1523 Voltage Regulator Control Circuit for Variable Switching Regulator Description The CA1523 monolithic silicon integrated circuit is a variable interval pulse regulator designed to provide the control cir- cuitry for use in switching regulator circuits. It operates from 11V to 15V. The regulator provides a single output drive capable of 300mA source/200mA sink. The maximum operating fre- quency is better than 200kHz. An attractive feature of the CA1523 is that the timing capacitor charge and discharge current is set up externally via a single resistor. The ratio of charge to discharge current is internally set at a maximum of 2 to 1 allowing simultaneous change in output pulse width with increased frequency at higher load. The pulse width variation at higher frequencies effectively compensates for the losses in magnetics and thereby increases the power supply efficiency at higher load end by as much as 20 percent. Features • Operates up to 200kHz • Pins ESD Protected • Remote ON/OFF • Slow Start with Reset • Overcurrent Sensing • Lower Peak Currents than PWM Regulator - Less Prone to Magnetic Saturation Ordering Information PART NUMBER TEMPERATURE RANGE PACKAGE CA1523E 0oC to +70oC 14 Lead Plastic DIP File Number 1785.2 April 1994 Pinout CA1523 (PDIP) TOP VIEW ERROR CURRENT SENSE GND RISE TIME OUTPUT GND OUTPUT VCC TIMING ZENER ON/OFF OVER CURRENT SLOW START LOGIC OUTPUT NC 1 2 3 4 5 6 7 14 13 12 11 10 9 8 |
Ähnliche Teilenummer - CA1523 |
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Ähnliche Beschreibung - CA1523 |
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