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LD7575PS Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
LD7575PSLD699Yes

LD7575PS is a Pulse Width Modulation (PWM) controller IC manufactured by LD (Leadtrend Technology Corp.

The LD7575PS is a Pulse Width Modulation (PWM) controller IC manufactured by LD (Leadtrend Technology Corp.). Below are its key specifications, descriptions, and features:

Specifications:

  • Input Voltage Range: 8V to 30V
  • Operating Frequency: Adjustable (typically up to 300kHz)
  • Output Duty Cycle: Up to 80%
  • Start-up Current: < 30μA
  • Standby Power Consumption: < 1W
  • Maximum Output Current: 1A (for gate drive)
  • Protection Features: Over-voltage protection (OVP), Over-current protection (OCP), Under-voltage lockout (UVLO)
  • Package Type: SOP-8 (Small Outline Package)

Descriptions:

The LD7575PS is a current-mode PWM controller designed for offline power supplies and DC-DC converters. It provides high efficiency and low standby power consumption, making it suitable for applications like AC/DC adapters, LED drivers, and auxiliary power supplies.

Features:

  • Current-Mode Control: Ensures stable operation and fast transient response.
  • Built-in Soft Start: Reduces inrush current during startup.
  • Frequency Jittering: Minimizes EMI noise.
  • Green Mode Operation: Enhances efficiency at light loads.
  • Internal High-Voltage Startup Circuit: Simplifies external circuitry.
  • Cycle-by-Cycle Current Limiting: Protects against overloads.

This IC is commonly used in switch-mode power supply (SMPS) designs due to its reliability and integrated protection features.

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