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AP3843S8LA Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
AP3843S8LAANACHIP6287Yes

AP3843S8LA** is a PWM (Pulse Width Modulation) controller IC manufactured by **Anachip Corporation**.

The AP3843S8LA is a PWM (Pulse Width Modulation) controller IC manufactured by Anachip Corporation. Below are its specifications, descriptions, and features:

Specifications:

  • Manufacturer: Anachip
  • Package: SOP-8 (Small Outline Package, 8-pin)
  • Type: Current Mode PWM Controller
  • Input Voltage Range: 8V to 30V
  • Operating Frequency: Up to 500kHz
  • Duty Cycle Range: 0% to 100%
  • Output Drive Current: ±1A (peak)
  • Reference Voltage: 5V (±1%)
  • Operating Temperature Range: -40°C to +85°C

Descriptions:

The AP3843S8LA is a high-performance current-mode PWM controller designed for offline and DC-DC converter applications. It provides precise voltage regulation and includes features such as under-voltage lockout (UVLO), cycle-by-cycle current limiting, and a built-in adjustable oscillator.

Features:

  • Current-Mode Control: Improves loop response and simplifies compensation.
  • Under-Voltage Lockout (UVLO): Ensures proper startup and shutdown.
  • Adjustable Oscillator Frequency: Allows flexibility in design.
  • High-Current Totem Pole Output: Directly drives power MOSFETs.
  • Low Startup Current: Reduces power consumption.
  • Cycle-by-Cycle Current Limiting: Enhances system protection.
  • Internal Trimmed Bandgap Reference: Ensures stable output regulation.

This IC is commonly used in switching power supplies, battery chargers, and LED drivers.

For detailed electrical characteristics and application circuits, refer to the official Anachip datasheet.

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