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LD7530 Datasheet(PDF) 1 Page - Leadtrend Technology |
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LD7530 Datasheet(HTML) 1 Page - Leadtrend Technology |
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1 / 19 page  LD7530/LD7530A 12/5/2007 1 Leadtrend Technology Corporation LD7530&LD7530A-DS-04 December 2007 Green-Mode PWM Controller with Integrated Protections and Adjustable OLP Delay Time REV: 04 General Description The LD7530/LD7530A are specifically designed for the low total system cost by integrating many functions, protections, and the EMI-improved solution in a tiny SOT-26 package which usually need a lot of extra components or circuits on the general designs. Furthermore, the LD7530/7530A features green mode operation, leading edge blanking time, internal slope compensation and adjustable over load protection (OLP) delay time to minimize the component counts for switching power supply. And to satisfy different designs, 2 versions of OVP levels are implemented as --- LD7530 --- 28.0V ± 1.2V. LD7530A --- 21.0V ± 1.2V. Features High-Voltage CMOS Process with Excellent ESD protection Very Low Startup Current (<20 μA) Current Mode Control Non-audible-noise Green Mode Control UVLO (Under Voltage Lockout) LEB (Leading-Edge Blanking) on CS Pin Internal Slope Compensation OVP (Over Voltage Protection) on Vcc Pin OLP (Over Load Protection) 300mA Driving Capability Adjustable OLP Delay Time Applications Switching AC/DC Adaptor and Battery Charger Open Frame Switching Power Supply Typical Application |
Similar Part No. - LD7530 |
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Similar Description - LD7530 |
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