1A Ultra Low Dropout Linear Regulator
TJ4210
TYPICAL OPERATING CHARACTERISTICS
Test Circuit
Vin
VIN
EN
VOUT
ADJ
Vout
Cff
R2
R1
10K
10uF
10uF
GND
CDelay
Case 1 ( VIN = 3.3V, VOUT = 2.5V )
VIN
VIN
VOUT
VOUT
VIN : 2.0V/div, VOUT : 1.0V/div, Time : 50ms/div
VIN : 2.0V/div, VOUT : 1.0V/div, Time : 50ms/div
Start Up @ Iout=0A
Start Up @ Iout=1A
(Cff=10nF, R2=51KΩ, R1=24KΩ)
(Cff=10nF, R2=51KΩ, R1=24KΩ)
VIN
VIN
VOUT
VOUT
VIN : 2.0V/div, VOUT : 1.0V/div, Time : 50ms/div
VIN : 2.0V/div, VOUT : 1.0V/div, Time : 50ms/div
Start Up @ Iout=0A
Start Up @ Iout=1A
(Cff=1uF, R2=120KΩ, R1=56KΩ)
(Cff=1uF, R2=120KΩ, R1=56KΩ)
Oct. 2012 – Rev.1.0.6
10/12
HTC