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JW5211 DC-DC Regulator SOT-23-5L JW5211 DC-DC Regulator SOT-23-5L JW5211 DC-DC Regulator SOT-23-5L
JW5211 DC-DC Regulator SOT-23-5L
VIN(V):-0.3V~6.5V
VOUT(V):-0.3V~6.5V
IOUT(mA):800mA
fO(kHz):1.5MHz
Package:SOP-8

Product Details

Our advantages 

Chinese manufacturing processes have undergone years of iteration, resulting in mature and reliable technologies. Many international corporations opt for production outsourcing in China. As an electronic components manufacturer in China, our products can fully replace those of major international brands in 99% of applications without the need for testing verification. Our products boast high consistency in quality, reasonable pricing, ample inventory, flexible supply, short lead times, and professional after-sales service. 


Description

The JW5211 is a CMOS step-down DC/DC regulator consisting of a reference voltage source, an oscillator, a comparator, and a PWM/PFM control circuit. It utilizes PWM/PFM auto-switching control circuit to achieve adjustable duty cycle and features low ripple, high efficiency and high output current over the full input voltage range (1.8-5.5V). The JW5211 has a built-in power MOSFET, which is protected by a number of protection circuits such as over-voltage, over-current, over-temperature, and short-circuit, and is automatically disconnected when it exceeds the control value in order to protect the chip. This product combines the features of miniature package and low current consumption, and is most suitable for use inside the power supply of mobile devices.


Features

● High efficiency Up to 95% efficiency
● Large output current 800mA
● Very low quiescent current 40μA typical
● Very Low Output Ripple <±0.4%
● Low voltage operation Up to 100% duty cycle
● PWM/PFM automatic switching Duty cycle automatically adjustable to maintain high efficiency and low ripple


Applications

● Power supplies for mobile devices such as digital cameras, digital organizers, PDAs, etc.
● Power supplies for audio devices such as CD players and MDs.
● Regulated power supplies for cameras, video equipment, and communication equipment
● Power supplies for microcomputers



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+86 0755-83044319

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