1.5MHz, Dual 1.5A, Synchronous Step-Down Regulator

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E-CMOS

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絲?。?a target="_blank" title="Marking" href="/ec3221/marking.html">EC3221；Package：SOP-8；1.5MHz, Dual 1.5A, Synchronous Step-Down Regulator

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E-CMOS

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High-Performance PWM Controller

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E-CMOS

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絲印：3228；Package：TDFN3x3-10；High-Performance PWM Controller

文件：846.08 Kbytes 頁數(shù)：16 Pages

E-CMOS

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1.5MHz, Dual 1.5A, Syn. Step-Down Regualtor

The EC3221 are high-efficiency 1.5MHz synchronous step-down DC-DC regulator ICs capable of delivering up to 1.5A output currents, respectively. The EC3221 operates over a wide input voltage range from 3V to 5.5V and integrate main switch and synchronous switch with very low RDS(ON) to minimize the c ● low Rds(on) for internal switches (top/bottom):● 3-5.5V input voltage range● 1.5MHz switching frequency minimizes the external components● Internal softstart limits the inrush current● 100% dropout operation● Compact and thermally enhanced package:● SOP-8(Exposed PAD);

E-CMOS

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High-Performance PWM Controller

The EC3228 is a single-phase, constant-on-time, synchronous PWM controller, which drives N-channel MOSFETs. The EC3228 steps down high voltage to generate low-voltage chipset or RAM supplies in notebook computers. The EC3228 provides excellent transient response and accurate DC voltage output in eit \nlAdjustable Output Voltage from +0.7V to +5.5V\nl0.7V Reference Voltage\nl±1% Accuracy Over-Temperature\nlOperates from an Input Battery Voltage Range of+1.8V to +32V\nlPower-On-Reset Monitoring on VCC Pin\nlExcellent Line and Load Transient Responses\nlPFM Mode for Increased Light Load Effici;

E-CMOS

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