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SDC2921 Datasheet(PDF) 1 Page - Shaoxing Devechip Microelectronics Co., Ltd |
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SDC2921 Datasheet(HTML) 1 Page - Shaoxing Devechip Microelectronics Co., Ltd |
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1 / 13 page  Datasheet December, 2013 Rev. 1.2 1/13 © 2013 Shaoxing Devechip Microelectronics Co., Ltd. www.sdc-semi.com Voltage Mode PWM Controller SDC2921 General Description The SDC2921 is a Pulse–Width Modulation (PWM) control circuit with complete protection circuits for the SMPS (Switching Mode Power Supply). It contains various functions, can minimize external components of switching power supply systems in personal computer. Features Complete PWM control and protection circuits Over voltage protection for 3.3V/ 5V/ 12V/ PT Under voltage protection for 3.3V/ 5V/ 12V 280ms PG time delay Open drain power good output 280ms time delay for UVP Remote ON/OFF function Built-in soft-start function Package: DIP-16 Applications PC power supply Figure 1. Package Type DIP-16 SDC CONFIDENTIAL DOCUMENT |
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