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KA7522 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
KA7522SEC100Yes

KA7522 is a switching regulator controller IC manufactured by Samsung Electronics (SEC).

The KA7522 is a switching regulator controller IC manufactured by Samsung Electronics (SEC).

Specifications:

  • Input Voltage Range: 8V to 40V
  • Output Voltage: Adjustable via external components
  • Switching Frequency: Fixed at 52kHz
  • Output Current: Up to 1.5A (with external transistor)
  • Duty Cycle: Adjustable up to 90%
  • Operating Temperature Range: -20°C to +85°C
  • Package Type: DIP-8 or SOP-8

Descriptions:

The KA7522 is a PWM (Pulse Width Modulation) controller designed for DC-DC converter applications. It includes an internal reference voltage, oscillator, error amplifier, and PWM comparator. It is commonly used in power supply circuits, battery chargers, and step-up/step-down voltage regulators.

Features:

  • Built-in soft-start function
  • Under-voltage lockout (UVLO) protection
  • Current limiting capability
  • Low standby current consumption
  • Adjustable output voltage via feedback resistors

This IC is suitable for applications requiring efficient power conversion with stable output regulation.

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