High Input Voltage, Low Quiescent Current
The WL2861K series is a high accuracy, high input
voltage low quiescent current, high speed, and low
dropout Liner regulator with high ripple rejection. The
device is manufactured with Bi-CMOS process.
The WL2861K offers over-current limit and over
temperature protection to ensure the device working in
The WL2861K regulators are available in standard
SOT-89-3L packages. Standard products are Pb-free
Supply Voltage : 4.75V~40V
Output Range : 1.8V~5.7V
Output Accuracy : <+/-2%
Output Current : 100mA ( for detail please see
: 60dB @ 100Hz
Dropout Voltage : 800mV @ IOUT=100mA
Quiescent Current : 10μA@VIN=7V(Typ.)
Recommend Capacitor : 10uF
GND VIN VOUT
Pin Configuration (Top View)
For detail marking information, please see page 9.
For detail order information, please see page 9.
Will Semiconductor Ltd.
1 May 2016 – Rev.1.3