300mA Ultra Low Dropout Linear Regulator
TYPICAL OPERATING CHARACTERISTICS
Test Circuit
TJ4203
Vin
10K
1uF
VIN
VOUT
Cff
R2
2.2uF
R1
Vout
EN
GND
ADJ
C
Delay
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
(Cff=10nF, R2=51KΩ, R1=24KΩ)
Start Up @ Iout=300mA
(Cff=10nF, R2=51KΩ, R1=24KΩ)
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
(Cff=1uF, R2=51KΩ, R1=24KΩ)
Start Up @ Iout=300mA
(Cff=1uF, R2=51KΩ, R1=24KΩ)
Apr. 2011 – Rev.1.0
9/10
HTC