1A Ultra Low Dropout Linear Regulator
TJ4210
VIN
220nF
VIN
without
Cdelay
100nF
470uF
VEN
10nF
1uF
VOUT
VOUT
VIN : 1.0V/div, VOUT : 1.0V/div, Time : 50ms/div
VIN, VEN : 2.0V/div, VOUT : 2.0V/div, Time : 50ms/div
Start Up @ Iout=1A
Start Up with Cdelay @ Iout=10mA
(Cff is varied, R2=51KΩ, R1=24KΩ)
(Cdelay is varied, Cff=10nF, R2=51KΩ, R1=24KΩ)
VIN
VIN
VEN
VEN
VOUT
VOUT
VIN : 1.0V/div, VOUT : 1.0V/div, Time : 50ms/div
VIN : 1.0V/div, VEN : 1.0V/div, VOUT : 1.0V/div, Time : 5ms/div
Start Up by external VEN @ Iout=0A
Start Up by external VEN @ Iout=1A
(Cff=10nF, R2=51KΩ, R1=24KΩ)
(Cff=10nF, R2=51KΩ, R1=24KΩ)
VOUT
IOUT
VOUT
IOUT
IOUT : 1.0A/div, VOUT : 20mV/div, Time : 500ms/div
IOUT : 1.0A/div, VOUT : 20mV/div, Time : 500ms/div
Load Transient Response
Load Transient Response
(Cff=10nF, R2=51KΩ, R1=24KΩ)
(Cff=10nF, R2=51KΩ, R1=24KΩ)
Oct. 2012 – Rev.1.0.6
11/12
HTC
HTC [ HTC KOREA TAEJIN TECHNOLOGY CO. ]
