Leadtrend Technology LD7531
The LD7531 is built-in with several functions, protection and EMI-improved solution in a SOT-26/ DIP-8 package. It takes less components counts or circuit space, especially ideal for those total solutions of low cost. The implemented functions include low startup current, green-mode power-saving operation, leading-edge blanking of the current sensing and internal slope compensation.| Part No. | LD7531 |
|---|---|
| Datasheet | LD7531 Download |
| Manufacturer |  Leadtrend Technology |
| Description | Green-Mode PWM Controller |
| Buy | Stock & Price |
GENERAL DESCRIPTION
And the LD7531 features more protections like OLP (Over Load Protection) and OVP (Over Voltage Protection) to prevent the circuit damage from the abnormal conditions. Furthermore, the frequency trembling function is to reduce the noise level and thus helps the power circuit designers to easily deal with the EMI filter design by using minimum component cost and developing time.FEATURES
z z z z z z z z z z z z High-Voltage CMOS Process with Excellent ESD protection Very Low Startup Current (<20μA) Current Mode Control Non-audible-noise Green Mode Control UVLO (Under Voltage Lockout) LEB (Leading-Edge Blanking) on CS Pin Programmable Switching Frequency Internal Trembling (±4KHz) Internal Slope Compensation OVP (Over Voltage Protection) on Vcc Pin OLP (Over Load Protection) 300mA Driving CapabilityAPPLICATIONS
z z Switching AC/DC Adaptor and Battery Charger Open Frame Switching Power Supply Typical Application AC input EMI Filter VCC 32V 16.0V /10.0V UVLO OUT LD7531...
