SCM1733ASA

Mornsun
SCM1733ASA High Performance Current Mode PWM Controller Features Package  Extra Low Standby Loss(<75mW)  Power-on Soft Start For Reducing MOS Stress  Built-in 650V Power MOS  Fixed 65KHz Switching Frequency  Low VDD Startup and Operating Current  Frequency Jitter for Softened EMI Signature  Leading Edge Blanking on Current Sense and Slope Compensation  Audio Noise Fr...
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SCM1733ASA High Performance Current Mode PWM Controller Features Package  Extra Low Standby Loss(<75mW)  Power-on Soft Start For Reducing MOS Stress  Built-in 650V Power MOS  Fixed 65KHz Switching Frequency  Low VDD Startup and Operating Current  Frequency Jitter for Softened EMI Signature  Leading Edge Blanking on Current Sense and Slope Compensation  Audio Noise Free Operation  VDD Under Voltage Lockout with Hysteresis  Cycle-by-Cycle Over Current Limiting  Over Load Protection (OLP)  Over Temperature Protection (OTP)  VDD Over Voltage Protection (OVP) Product optional package: SOP-8, Screen Printing information please see "Order Information" Applications  AC/DC Adapter  Set-Top Box Power Supplies  Auxiliary Power Supply  Open-frame SMPS Features Description circuit The SCM1733ASA is a low power off-line SMPS Switcher optimized for off-line flyback converter applications in sub 20W power range.It is optimized for high performance,low standby power,and cost effective off line flyback converter application in sub 20W range. Low startup current and low operating current contribute to a reliable power on startup and low standby loss design with SCM1733ASA. SCM1733ASA offers complete protection coverage with automatic self recovery feature including Cycle-by-Cycle current limiting(OCP), over load protection(OLP),VDD under voltage lockout (UVLO),over temperature protection (OTP),and over voltage protection (OVP).Excellent EMI performance is achieved with internal frequency jitter technique and soft switching control at the totem pole gate drive output. The tone energy at below 22KHz is minimized in the design and audio noise is eliminated. SCM1733ASA is offered in SOP-8 package. Selection Table circuit Model Package Topo Control Mode Protection Function Power MOS Power Range SCM1733ASA SOP-8 Flyback Current Mode、SSR OCP、OLP、OTP、SCP、UVLO、OVP In Chip : 650V/4A 20W Max 2020.3 - A/1 Page 1 of 9 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation PDF
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SCM3401BFA_485半双工增强型收发器芯片技术手册 Keywords:

Дата модификации: 25.03.2020

Размер: 1.22 Мб

9 стр.

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