降压式转换器

JW5710

The JW5710 provides an ultra low power solution for products powered by either two rechargeable Li-Ion batteries, Li-primary battery chemistries such as Li-MnO2 or four to six cell alkaline batteries. JW5710 contains a 400nA ultra low Iq synchronous buck converter, an internal input voltage switch and a slew rate controlled load switch. The output voltage of the buck converter is set with four VSEL pins between 1.8V and 3.3V. JW5710 features low output ripple voltage and low noise with a small output capacitor. JW5710 has a 100mA load switch between VOUT and LOAD pin with a typical-On-resistance of 1Ω. The load switch is typically used to distribute the buck converter output voltage to the sub-system.

JW5710 is available in DFN3X2-12 package, which provide a compact solution with minimal external components.

FEATURES
3.3V to 10V operating input range
400mA continuous / 550mA peak output current
Typical 400nA quiescent current
Up to 90% efficiency with load current>15uA
Low output ripple voltage
16 selectable output voltages from 1.8V-3.3V
Power good indicator
Integrated load switch
Input under voltage lockout
Output short protection
Thermal protection
Available in DFN3X2-12 package

APPLICATIONS
IOT
Wearable and Personal Electronics
Health Monitoring and Medical Accessories
Industrial Metering
Energy Harvesting

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