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LD7750RGS

Leadtrend
Part Number LD7750RGS
Manufacturer Leadtrend
Description High Voltage Green-Mode PWM Controller
Published Dec 12, 2021
Detailed Description LD7750R 05/12/2010 High Voltage Green-Mode PWM Controller with Over Temperature Protection Rev. 00 General Descriptio...
Datasheet PDF File LD7750RGS PDF File

LD7750RGS
LD7750RGS

Overview
LD7750R 05/12/2010 High Voltage Green-Mode PWM Controller with Over Temperature Protection Rev.
00 General Description The LD7750R integrates several functions of protections, and EMI-improved solution in a SOP-7, SOP-8 or DIP-8 package to minimize the component counts and the circuit space.
The device provides functions of low startup current, green-mode power-saving operation, leading-edge blanking of the current sensing and internal slope compensation.
Also, the LD7750R features more protections like OLP (Over Load Protection), OVP (Over Voltage Protection), and OTP (Over Temperature Protection) to prevent the circuit being damaged under the abnormal conditions.
The LD7750R features built-in auto-recovery function for OVP on Vcc pin and OLP.
Features z High-Voltage (500V) Startup Circuit z Current Mode Control z Green Mode Control z UVLO (Under Voltage Lockout) z LEB (Leading-Edge Blanking) on CS Pin z Internal Frequency Swapping z Internal Slope Compensation z Internal Over Current Protection z OVP (Over Voltage Protection) on Vcc z OLP (Over Load Protection) z External OTP through a NTC z 500mA Driving Capability Applications z Switching AC/DC Adaptor and Battery Charger z Open Frame Switching Power Supply z LCD Monitor/TV Power Typical Application Leadtrend Technology Corporation LD7750R-DS-00 May 2010 1 www.
leadtrend.
com.
tw Pin Configuration SOP-7 (TOP VIEW) SOP-8 /DIP-8 (TOP VIEW) LD7750R HV VCC OUT HV NC VC C OUT 8 65 TOP MARK YYWWPP 1 234 8 765 TOP MARK YYWWPP 1 234 YY: WW: PP: Year code Week code Production code OTP COMP CS GND OTP C OMP CS GND Ordering Information Part number Switching Freq.
Package Top Mark Shipping LD7750R GS 65kHz SOP-8 Green package LD7750R GS 2500 /tape & reel LD7750R GR 65kHz SOP-7 Green package LD7750R GR 2500 /tape & reel LD7750R GN 65kHz DIP-8 Green package LD7750R GN 3600 /tube /Carton The LD7750R is ROHS compliant.
Protection Mode Part number LD7750R Switching Freq.
65kHz VCC OVP Auto recove...


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