AP7344 Datasheet, PDF (9/15 Pages) Diodes Incorporated – DUAL 300mA HIGH PSRR LOW NOISE LDO WITH ENABLE

Performance Characteristics (Cont.)
Load Transient Response Waveforms
VOUT=1.8V, COUT=1µF
1.90
1.85
1.80
1.75
1.70
0
400
Output Current
200
1mA  300mA
0
Output Voltage
Output Voltage IOUT=30mA
2.85
2.80
2.75
80
160
240 320 400
Time t (µs)
Load Transient Response Waveforms
VOUT=2.8V, COUT=1µF
2.90
2.85
2.80
2.75
2.70
0
400
Output Current
200
1mA  300mA
0
Output Voltage
Output Voltage IOUT=30mA
1.85
1.80
1.75
80
160
240
320 400
Time t (µs)
Turn On Waveforms
VOUT=1.8V
2
1
0
0
EN Input Voltage
3
2
1
0
IOUT=0mA
IOUT=30mA
Output Voltage _IOUT=300mA
40
80
120
160 200
Time t (µs)
AP7344
Load Transient Response Waveforms
VOUT=1.8V, COUT=4.7µF
1.90
1.85
1.80
1.75
1.70
0
400
Output Current
200
1mA  300mA
0
Output Voltage
Output Voltage IOUT=30mA
2.85
2.80
2.75
80
160
240
320 400
Time t (µs)
Load Transient Response Waveforms
VOUT=2.8V, COUT=4.7µF
2.90
2.85
2.80
2.75
2.70
0
400
Output Current
200
1mA  300mA
0
Output Voltage
Output Voltage IOUT=30mA
1.85
1.80
1.75
80
160
240
320 400
Time t (µs)
Turn On Waveforms
VOUT=2.8V
4
2
0
0
4
EN Input Voltage
2
0
IOUT=0mA
IOUT=30mA
Output Voltage _IOUT=300mA
40
80
120
160
200
Time t (µs)
AP7344
Document number: DS37368 Rev. 1 - 2
9 of 15
www.diodes.com
January 2015
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