MCP1256T データシートの表示（PDF） - Microchip Technology

部品番号

コンポーネント説明

メーカー

MCP1256T

Regulated 3.3V, Low-Ripple Charge Pump with Low-Operating Current SLEEP Mode or BYPASS Mode

Microchip Technology 

MCP1256/7/8/9

TYPICAL PERFORMANCE CURVES (CONTINUED)

NOTE: Unless otherwise indicated, CIN = COUT = 10 μF, C1 = C2 = 1 μF, IOUT = 10 mA, and TA= +25°C.

0.04

0.03

0.02

VIN = 3.0V

IOUT = 100 mA

0.01

0.00

-0.01

-0.02

-0.03

-0.04

0 1 2 3 4 5 6 7 8 9 10

Time (μs)

FIGURE 2-19:

Output Voltage Ripple vs.

Time - Normal 1.5x Mode.

0.20

0.15

0.10

0.05

0.00

-0.05

-0.10

-0.15

-0.20

VIN = 3.0V

IOUT = 1 mA

Time (μs)

FIGURE 2-22:

Output Voltage Ripple vs.

Time - SLEEP Mode.

0.20

0.15

0.10

0.05

0.00

-0.05

-0.10

-0.15

-0.20

VIN = 2.4V

IOUT = 1 mA

0.20

0.15

0.10

0.05

0.00

-0.05

-0.10

-0.15

-0.20

VIN = 3.0V

IOUT = 10 mA

Time (μs)

FIGURE 2-20:

Output Voltage Ripple vs.

Time - SLEEP Mode.

0.20

0.15

0.10

0.05

0.00

-0.05

-0.10

-0.15

-0.20

VIN = 2.4V

IOUT = 10 mA

Time (μs)

FIGURE 2-21:

Output Voltage Ripple vs.

Time - SLEEP Mode.

Time (μs)

FIGURE 2-23:

Output Voltage Ripple vs.

Time - SLEEP Mode.

8

0.20

7

0.10

6

0.00

5

-0.10

VIN = 2.4V

4

IOUT = 10 mA -0.20

3

-0.30

2

-0.40

1

-0.50

0

-0.60

Time (μs)

FIGURE 2-24:

Output Voltage Ripple vs.

Time - Mode Transition: SLEEP Mode-to-Normal

2x Mode-to-SLEEP Mode.

© 2006 Microchip Technology Inc.

DS21989A-page 9

Share Link: