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CA1524

Features: • Complete PWM Power Control Circuitry• Separate Outputs for Single-Ended or Push-Pull Operation• Line and Load Regulation. . . . . . . . . . . . . . . 0.2%(Typ)• Internal Reference Supply with 1% (Max) Oscillator and Reference Voltage Variation Over Full Temperat...

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SeekIC No. : 004310210 Detail

CA1524: Features: • Complete PWM Power Control Circuitry• Separate Outputs for Single-Ended or Push-Pull Operation• Line and Load Regulation. . . . . . . . . . . . . . . 0.2%(Typ)• I...

CA1524 Data Sheet

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Part Number:
CA1524
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Complete PWM Power Control Circuitry
• Separate Outputs for Single-Ended or Push-Pull Operation
• Line and Load Regulation. . . . . . . . . . . . . . . 0.2%(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 0.5s to 5s
• Low VCE(sat) Over the Temperature Range


Application

• Positive and Negative Regulated Supplies
• Dual-Output Regulators
• Flyback Converters
• DC-DC Transformer-Coupled Regulating Converters
• Single-Ended DC-DC Converters
• Variable Power Supplies


Pinout

Connection Diagram


Specifications

Input Voltage (Between VIN and GND Terminals). . . . . . . . . 40V
Operating Voltage Range (VIN to GND) . . . . . . . . . . . . .8 to 40V
Output Current Each Output:
(Terminal 11, 12 or 13, 14) . . . . . . . . . . . . . . . . . . . . .. . .100mA
Output Current (Reference Regulator) . . . . . . . . . . . .. . . .50mA
Oscillator Charging Current . . . . . . . . . . . . . . . . . . . .   . . . .5mA
Thermal Resistance JA
Plastic DIP Package . . . . . . . . . . . . . . . . . . . . . . .. . . . . 100/W
Device Dissipation
Up to TA = +25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.25W
Above TA = +25 . . . . . . . . . . . . . . .Derate Linearly at 10mW/
Operating Temperature Range . . . . . . . . . . . . .. -55oC to +125
Storage Temperature Range. . . . . . . . . . .. . . . . -65oC to +150
Lead Temperature (During Soldering)
At distance 1/16 ± in. (1.59mm ±0.79mm)
from case for 10s Max . . . . . . . . . . . . . . . . . . . . . . . . . . . . +265


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. CA1524 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.




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