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L6401

Part Number	L6401
Manufacturer	LRC
Description	HIGH SPEED LOW DROPOUT MIDDLE CURRENT VOLTAGE REGULATORS
Published	Oct 18, 2015
Detailed Description	LESHAN RADIO COMPANY, LTD. HIGH SPEED LOW DROPOUT MIDDLE CURRENT VOLTAGE REGULATORS Dual 300mA High Speed Low Dropout C...
Datasheet	L6401 PDF File

Overview

LESHAN RADIO COMPANY, LTD.
HIGH SPEED LOW DROPOUT MIDDLE CURRENT VOLTAGE REGULATORS Dual 300mA High Speed Low Dropout CMOS Voltage Regulators L6401 Series DESCRIPTION The L6401 series are highly accurate, Dual , low noise, CMOS LDO voltage regulators.
Performance features of the series includes low output noise, high ripple rejection ratio, low dropout and very fast turn-on times.
The L6401 includes a reference voltage source, error amplifiers, driver transistors, current limiters and phase compensators internally.
The L6401’s current limiter’s foldback circuit also operates as a short protect for the output current limiter.
The output voltage for each regulator is set independently by laser trimming.
Voltages are selectable in 50mV steps within a range of 1.
3V to 5.
0V.
The EN function allows the output of each regulator to be turned off independently, resulting in greatly reduced power consumption.
The L6401 series is available in the SOT-26 and USP-6B.
FEATURES z Output Voltage Range 1.
3V to 6.
0V (selectable in 50mV steps) z Highly Accurate ± 2% z Dropout Voltage 200mV @ 100mA (3.
0V type) z High Ripple Rejection 70dB (1 kHz) z Low Power Consumption 25μA (TYP.
) z Maximum Output Current 300mA z Standby Current less than 0.
1μA z Internal protector current limiter and short protector z Small packages SOT-26 and other required APPLICATIONS z Mobile phones z Portable games z Cordless phones and radio communication z Portable AV equipment equipment z PDAs z Cameras, Video cameras PACKAGE z SOT-26 z USP-6B BLOCK DIAGRAM EN1 VIN VSS EN2 ON/OFF Control VR1 each circuit Error Amp1 + VR2 each circuit ON/OFF Control Voltage Reference Error Amp2 + Current Limit Current Limit V OUT1 R11 R12 V OUT2 R21 R22 1/7 LESHAN RADIO COMPANY, LTD.
L6401 Series ABSOLUTE MAXIMUM RATINGS PARAMETER Input Voltage Output Voltage Output Current SYMBOL VIN VEN VOUT IOUT1+IOUT2 Power Dissipation PD Operating Ambient Temperature Storage Temp...

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