XB1085
Series
■TYPICAL
PERFORMANCE CHARACTERISTICS (Continued)
(7)
Load Transient Response
XB1085P331
VIN=6.3V
VIN=6.3V
CIN=CL=10μF (Tantalum)
CIN=CL=10μF(Tantal)
XB1085K12B(VOUT=3.3V)
VIN=6.3V
VIN=6.3V
CIN=CL=10μF(Tantal)
CIN=CL=10μF (Tantalum)
OutputVoltage:VOUT(V)
12.0
10.5
9.0
7.5
6.0
4.5
3.0
1.5
0.0
-1.5
Output Voltage: VOUT(V)
Output Current: IOUT(A)
Output Current: IOUT(A)
Output Current:IOUT(A
)
VOUT
4.0
3.0
3A
2.0
1.0
0.0
IOUT
0.1A
12.0
10.5
9.0
7.5
6.0
4.5
3.0
1.5
0.0
-1.5
VOUT
4.0
3.0
3A
2.0
1.0
0.0
IOUT
Time（100μs/DIV）
0.1A
Time（100μs/DIV）
(8)
Input Transient Response
XB1085P331
IOUT=200mA
IOUT=200mA
XB1085K12B(VOUT=3.3V)
IOUT=200mA
CIN=1μF(Tantal),CL=10μF(Tantal)
IOUT=200mA
11
Supply Voltage: VIN(V)
10
9
8
7
6
5
CIN=1μF (Tantalum), CL=10μF (Tantalum)
CIN=1μF(Tantal),CL=10μF(Tantal)
CIN=1μF (Tantalum), CL=10μF (Tantalum)
3.32
Output Voltage: VOUT(V)
11
Supply Voltage: VIN(V)
10
9
8
7
6
5
Time（200μs/DIV）
VIN
5.3V
7.3V
VOUT
3.36
Output Voltage: VOUT(V)
VOUT
3.30
3.28
7.3V
5.3V
3.26
3.24
3.34
3.32
3.30
3.28
3.26
3.24
VIN
Time（200μs/DIV）
3.22
3.20
(9)
Ripple Rejection Rate
XB1085P331
VIN=6.3VDC+1.0Vp-pAC
VIN=6.3VDC+ 1.0Vp-pAC
XB1085K12B(VOUT=3.3V)
Ripple Rejection Rate: PSRR (dB)
ripple rejection rate（½B)
VIN=6.3VDC+1.0Vp-pAC
VIN=6.3VDC+ 1.0Vp-pAC
IOUT=1A、Ta=25℃、CL=25uF(Tantal)
IOUT=1A, Ta=25℃, CL=25μF (Tantalum)
Ripple Rejection Rate: PSRR (dB)
IOUT=1A、Ta=25℃、CL=25uF(Tantal)
IOUT=1A, Ta=25℃, CL=25μF (Tantalum)
ripple rejection rate（½B)
100
80
60
40
20
0
0.01
100
80
60
40
20
0
0.01
0.1
1
10
0.1
1
10
ripple rejection rate（kHz)
Ripple Frequency: f (kHz)
100
0.1
1
1
10
10
0.1
ripple rejection
f (kHz)
rate（kHz)
Ripple Frequency:
100
8/11
TOREX [ TOREX SEMICONDUCTOR ]
