Datasheet

MCP1256/7/8/9
DS21989B-page 10  2006-2013 Microchip Technology Inc.
TYPICAL PERFORMANCE CURVES (CONTINUED)
NOTE: Unless otherwise indicated, C
IN
= C
OUT
= 10 µF, C
1
= C
2
= 1µF, I
OUT
= 10 mA, and T
A
= +25°C.
FIGURE 2-25: Load Transient Response -
Normal 2x Mode.
FIGURE 2-26: Load Transient Response -
Normal 1.5x Mode.
FIGURE 2-27: Line Transient Response.
FIGURE 2-28: Line Transient Response.
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0
50
100 150 200 250 300 350 400 450 500
Time (µs)
Output Current (A)
-0.60
-0.50
-0.40
-0.30
-0.20
-0.10
0.00
0.10
0.20
Output Voltage Ripple
(V)
V
IN
= 2.4V
V
OUT
I
OUT
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0
50
100 150 200 250 300 350 400 450 500
Time (µs)
Output Current (A)
-0.60
-0.50
-0.40
-0.30
-0.20
-0.10
0.00
0.10
0.20
Output Voltage Ripple
(V)
V
IN
= 3.0V
V
OUT
I
OUT
0
1
2
3
4
5
6
7
8
0
50
100 150 200 250 300 350 400 450 500
Time (µs)
Input Voltage (V)
-0.60
-0.50
-0.40
-0.30
-0.20
-0.10
0.00
0.10
0.20
Output Voltage Ripple
(V)
I
OUT
= 10 mA
V
OUT
V
IN
0
1
2
3
4
5
6
7
8
0
50
100 150 200 250 300 350 400 450 500
Time (µs)
Input Voltage (V)
-0.60
-0.50
-0.40
-0.30
-0.20
-0.10
0.00
0.10
0.20
Output Voltage Ripple
(V)
I
OUT
= 100 mA
V
OUT
V
IN