MCP1256 Microchip Technology, MCP1256 Datasheet - Page 8

• Manufacturer Part Number: MCP1256
• Description: Regulated 3.3V, Low-Ripple Charge Pump with Low-Operating Current SLEEP Mode or BYPASS Mode
• Manufacturer: Microchip Technology

MCP1256/7/8/9
TYPICAL PERFORMANCE CURVES (CONTINUED)
NOTE: Unless otherwise indicated, C
FIGURE 2-13:
(R
FIGURE 2-14:
Time - Normal 2x Mode.
FIGURE 2-15:
Time - Normal 2x Mode.
DS21989A-page 8
BYPASS
2.0
1.8
1.6
1.4
1.2
1.0
-0.01
-0.02
-0.03
-0.04
-0.01
-0.02
-0.03
-0.04
0.04
0.03
0.02
0.01
0.00
0.04
0.03
0.02
0.01
0.00
1.8
0
0
) vs. Supply Voltage (V
1
1
2.1
2
2
2.4
3
3
BYPASS Impedance
Output Voltage Ripple vs.
Output Voltage Ripple vs.
Input Voltage (V)
4
4
Time (μs)
Time (μs)
2.7
5
5
6
6
3.0
IN
IN
).
7
7
= C
I
I
OUT
OUT
8
8
3.3
OUT
V
V
IN
= 10 mA
IN
= 50 mA
= 2.4V
= 2.4V
9
9
= 10 μF, C
3.6
10
10
1
= C
2
FIGURE 2-16:
Time - Normal 2x Mode.
FIGURE 2-17:
Time - Normal 1.5x Mode.
FIGURE 2-18:
Time - Normal 1.5x Mode.
= 1 μF, I
-0.01
-0.02
-0.03
-0.04
-0.01
-0.02
-0.03
-0.04
-0.01
-0.02
-0.03
-0.04
0.04
0.03
0.02
0.01
0.00
0.04
0.03
0.02
0.01
0.00
0.04
0.03
0.02
0.01
0.00
OUT
0
0
0
= 10 mA, and T
1
1
1
2
2
2
3
3
3
Output Voltage Ripple vs.
Output Voltage Ripple vs.
Output Voltage Ripple vs.
© 2006 Microchip Technology Inc.
4
4
4
Time (μs)
Time (μs)
Time (μs)
A
= +25°C.
5
5
5
6
6
6
7
7
7
I
OUT
I
I
OUT
OUT
8
8
8
V
V
V
= 100 mA
IN
= 50 mA
IN
IN
= 10 mA
= 3.0V
= 2.4V
= 3.0V
9
9
9
10
10
10