300mA Ultra Low Dropout Linear Regulator
TJ4203
TYPICAL OPERATING CHARACTERISTICS
Test Circuit
Vin
VIN
EN
VOUT
ADJ
Vout
Cff
R2
R1
10K
1uF
2.2uF
GND
CDelay
Case 1 ( VIN = 3.3V, VOUT = 2.5V )
VIN : 2.0V/div, VOUT : 1.0V/div, Time : 500ms/div
VIN : 2.0V/div, VOUT : 1.0V/div, Time : 500ms/div
Start Up @ Iout=0A
Start Up @ Iout=300mA
(Cff=10nF, R2=51Kꢀ, R1=24Kꢀ)
(Cff=10nF, R2=51Kꢀ, R1=24Kꢀ)
VIN : 1.0V/div, VOUT : 1.0V/div, Time : 50ms/div
VIN : 1.0V/div, VOUT : 1.0V/div, Time : 50ms/div
Start Up @ Iout=0A
Start Up @ Iout=300mA
(Cff=1uF, R2=51Kꢀ, R1=24Kꢀ)
(Cff=1uF, R2=51Kꢀ, R1=24Kꢀ)
Apr. 2011 – Rev.1.0
9/10
HTC