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WillSEMI - 5V/300mA Charge Pump Device

Numéro de référence WD3168
Description 5V/300mA Charge Pump Device
Fabricant WillSEMI 
Logo WillSEMI 





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WD3168 fiche technique
WD3168
5V/300mA Charge Pump Device
WD3168
Http//:www.sh-willsemi.com
Descriptions
The WD3168 is a switched capacitor voltage converter
which produces a regulated, low noise, and low-ripple
output voltage (5V) from an unregulated input voltage.
It maintains 5V regulation even when VIN is greater
than 5V. The 5V output can supply a maximum of
300mA current with a small package.
WD3168 operates in skip-mode when the load current
falls below 4mA under typical condition. In skip-mode
operation, quiescent current is reduced to 170uA.Only
3 external capacitors are needed to generate output
voltage, thereby saving PCB space. Inrush current is
limited by the soft start function during power on and
power transient states.
The WD3168 has built-in current limit protection that is
ideal for HDMI, USB OTG and other battery powered
applications. The WD3168 is available in Green
SOT-23-6L package and is specified over an ambient
temperature range of -40to +85.
Features
● Output Current up to 300mA
● Wide Input Voltage Range: 2.7V to 5.5V
● Fixed Output Voltage of 5.0V
● x2 Charge Pump
● Minimum External Components: No Inductors
● High Frequency Operation: 1.7MHz
● Automatic Soft Start Limits Inrush Current
● Low Ripple and EMI
● Thermal and Over Current Protection
● Typical 170uA Quiescent Current at no Load
condition (Skip-mode)
SOT-23-6L
Pin configuration (Top view)
6 54
3168
EAYW
1 23
SOT-23-6L
3168 = Device code
EA = Special code
Y = Year code
W = Week code
Marking
Applications
3V to 5V Boost Conversion
USB On-The-Go or HDMI 5V Supply
Local 5V Supply from Lower Rail
Battery Backup Systems
Handheld Portable Devices
Order Information
Device
WD3168E-6/TR
Package
SOT-23-6L
Shipping
3000/Reel&Tape
Will Semiconductor Ltd.
1 Jan, 2015 - Rev. 1.1

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