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CA1524

Intersil Corporation
Part Number CA1524
Manufacturer Intersil Corporation
Description Regulating Pulse Width Modulator
Published May 9, 2007
Detailed Description 524 CA2 October 2000 NO IS A T DUC PRO LE BSO TE CA1524, CA2524 CA3524 Regulating Pulse Width Modulator Description ...
Datasheet PDF File CA1524 PDF File

CA1524
CA1524

Overview
524 CA2 October 2000 NO IS A T DUC PRO LE BSO TE CA1524, CA2524 CA3524 Regulating Pulse Width Modulator Description The CA1524 and CA3524 are silicon monolithic integrated circuits designed to provide all the control circuitry for use in a broad range of switching regulator circuits.
The CA1524 and CA3524 have all the features of the industry types SG1524, SG2524, and SG3524, respectively.
A block diagram of the CA1524 series is shown in Figure 1.
The circuit includes a zener voltage reference, transconductance error amplifier, precision R-C oscillator, pulse-width modulator, pulse-steering flip-flop, dual alternating output switches, and current-limiting and shutdown circuitry.
This device can be used for switching regulators of either polarity, transformer-coupled dc-dc converter, transformerless voltage doublers, dc-ac power inverters, highly efficient variable power supplies, and polarity converter, as well as other power-control applications.
Features • Complete PWM Power Control Circuitry • Separate Outputs for Single-Ended or Push-Pull Operation • Line and Load Regulation .
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2% (Typ) • Internal Reference Supply with 1% (Max) Oscillator and Reference Voltage Variation Over Full Temperature Range • Standby Current of Less Than 10mA • Frequency of Operation Beyond 100kHz • Variable-Output Dead Time of 0.
5µs to 5µs • Low VCE(sat) Over the Temperature Range Applications • Positive and Negative Regulated Supplies • Dual-Output Regulators • Flyback Converters • DC-DC Transformer-Coupled Regulating Converters • Single-Ended DC-DC Converters • Variable Power Supplies Ordering Information PART NUMBER CA1524E CA1524F CA2524E CA2524F CA3524E CA3524F TEMPERATURE RANGE -55oC -55oC 0oC 0oC 0oC 0oC to to to to to to +125oC +125oC +70oC +70oC +70oC +70oC PACKAGE 16 Lead Plastic DIP 16 Lead CerDIP 16 Lead Plastic DIP 16 Lead CerDIP 16 Lead Plastic DIP 16 Lead CerDIP Pinout CA1524, CA3524 (PDIP, CERDIP) TOP VIEW INV.
INPUT NONINV.
INPUT OSC OUT ...


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