R5326X_07 Datasheet, PDF (20/35 Pages) RICOH electronics devices division – Automatic Mode Shift 2ch 150mA LDO

R5326x
14) Load Transient Response2 (tr=tf=0.5µs, CIN=1.0µF)
2.8V(VR1/VR2)
2.8V(VR1/VR2)
2.9
2.8
2.7
0
COUT=Ceramic 1.0µF
60
30
0
VR1 Output Current _{0mA 30mA}
VR1 Output Voltage
3.0
VR2 Output Voltage
2.9
2.8
IOUT=1mA
2.7
10 20 30 40 50 60 70 80 90 100
Time t (µs)
2.9
2.8
2.7
0
COUT=Ceramic 1.0µF
60
30
0
VR2 Output Current _{0mA 30mA}
VR1 Output Voltage IOUT=1mA
3.0
VR2 Output Voltage
2.9
2.8
2.7
10 20 30 40 50 60 70 80 90 100
Time t (µs)
2.8V(VR1/VR2)
COUT=Ceramic 1.0µF
150
100
VR1 Output Current
50mA
2.9
50
100mA ⁰
2.8
2.7 VR1 Output Voltage
3.0
VR2 Output Voltage
2.9
2.8
IOUT=1mA
2.7
0 2 4 6 8 10 12 16 17 18 20
Time t (µs)
15) Load Transient Response3 (tr=tf=10ns)
3.0V(VR1/VR2)
COUT=Ceramic 1.0µF
200
Output Current
0.1mA
100
100mA ⁰
3.1
3.0
2.9
Output Voltage
2.8
2.7
0 5 10 15 20 25 30 35 40 45 50
Time t (µs)
2.8V(VR1/VR2)
COUT=Ceramic 1.0µF
150
100
50
VR2 Output Current
50mA
100mA ⁰
2.9
2.8
2.7 ^{VR1 Output Voltage}
IOUT=1mA
3.0
VR2 Output Voltage
2.9
2.8
2.7
0 2 4 6 8 10 12 16 17 18 20
Time t (µs)
20