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LD7575PS Integrated Circuit Chip Green-Mode PWM Controller with High-Voltage Start-Up Circuit

Anterwell Technology Ltd.

LD7575PS Integrated Circuit Chip Green-Mode PWM Controller with High-Voltage Start-Up Circuit

Brand Name : Anterwell

Model Number : LD7575PS

Certification : new & original

Place of Origin : original factory

MOQ : 10pcs

Price : Negotiate

Payment Terms : T/T, Western Union, Paypal

Supply Ability : 8500pcs

Delivery Time : 1 day

Packaging Details : Please contact me for details

Supply Voltage : 30V

High-Voltage Pin : -0.3V~500V

COMP, RT, CS : -0.3 ~7V

Junction Temperature : 150°C

Operating Ambient Temperature : -40°C to 85°C

Storage Temperature Range : -65°C to 150°C

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Green-Mode PWM Controller with High-Voltage Start-Up Circuit

General Description

The LD7575 is a current-mode PWM controller with excellent power-saving operation. It features a highvoltage current source to directly supply the startup current from bulk capacitor and further to provide a lossless startup circuit. The integrated functions such as the leading-edge blanking of the current sensing, internal slope compensation, and the small package provide the users a high efficiency, minimum external component counts, and low cost solution for AC/DC power applications.

Furthermore, the embedded over voltage protection, over load protection and the special green-mode control provide the solution for users to design a high performance power circuit easily. The LD7575 is offered in both SOP-8 and DIP-8 package.

Features

  • High-Voltage (500V) Startup Circuit
  • Current Mode Control
  • Non-Audible-Noise Green Mode Control
  • UVLO (Under Voltage Lockout)
  • LEB (Leading-Edge Blanking) on CS Pin
  • Programmable Switching Frequency
  • Internal Slope Compensation
  • OVP (Over Voltage Protection) on Vcc
  • OLP (Over Load Protection)
  • 500mA Driving Capability

Applications

  • Switching AC/DC Adapter and Battery Charger
  • Open Frame Switching Power Supply
  • LCD Monitor/TV Power
Absolute Maximum Ratings

Supply Voltage VCC 30V

High-Voltage Pin, HV -0.3V~500V

COMP, RT, CS -0.3 ~7V

Junction Temperature 150°C

Operating Ambient Temperature -40°C to 85°C

Storage Temperature Range -65°C to 150°C

Package Thermal Resistance (SOP-8) 160°C/W

Package Thermal Resistance (DIP-8) 100°C/W

Power Dissipation (SOP-8, at Ambient Temperature = 85°C) 400mW

Power Dissipation (DIP-8, at Ambient Temperature = 85°C) 650mW

Lead temperature (Soldering, 10sec) 260°C

ESD Voltage Protection, Human Body Model (except HV Pin) 3KV

ESD Voltage Protection, Machine Model 200V

Gate Output Current 500mA

Caution: Stresses beyond the ratings specified in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.

Typical Application

LD7575PS Integrated Circuit Chip Green-Mode PWM Controller with High-Voltage Start-Up Circuit

Block Diagram

LD7575PS Integrated Circuit Chip Green-Mode PWM Controller with High-Voltage Start-Up Circuit

Stock Offer (Hot Sell)

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