MCP1824ST-3002E/DB【PDF 11/34 页】IC REG LDO 3V .3A SOT223-3

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MCP1824/MCP1824S

2.0

Note:

TYPICAL PERFORMANCE CURVES

The graphs and tables provided following this note are a statistical summary based on a limited number of

samples and are provided for informational purposes only. The performance characteristics listed herein

are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified

operating range (e.g., outside specified power supply range) and therefore outside the warranted range.

Note: Unless otherwise indicated, C OUT = 4.7 μF Ceramic (X7R), C IN = 4.7 μF Ceramic (X7R), I OUT = 1 mA,

Temperature = +25°C, V IN = V OUT + 0.5V, Fixed output, SHDN = 10 k Ω pullup to V IN .

140

130

120

110

100

90

V OUT = 1.2V Adj

I OUT = 0 mA

130°C

90°C

25°C

0°C

-45°C

0.10

0.08

0.06

0.04

0.02

0.00

-0.02

-0.04

-0.06

-0.08

-0.10

I OUT = 1 mA V OUT = 1.2V adj

V IN = 2.1V to 6.0V

I OUT = 50 mA

I OUT =100 mA

I OUT =200 mA

I OUT =300 mA

2

3

4

5

6

-45

-20

5

30

55

80

105

130

Input Voltage (V)

Temperature (°C)

FIGURE 2-1:

Quiescent Current vs. Input

FIGURE 2-4:

Line Regulation vs.

Voltage (Adjustable Version).

Temperature (Adjustable Version).

180

170

V OUT = 1.2V Adj

0.10

0.05

V OUT = 3.3V

V OUT = 0.8V

I OUT = 1.0 mA to 300 mA

160

150

140

V IN =3.3V

V IN =5.0V

0.00

-0.05

V OUT = 1.8V

130

120

-0.10

V OUT = 5.0V

110

100

V IN =2.5V

-0.15

-0.20

0

50

100

150

200

250

300

-45

-20

5

30

55

80

105

130

Load Current (mA)

Temperature (°C)

FIGURE 2-2:

Ground Current vs. Load

FIGURE 2-5:

Load Regulation vs.

Current (Adjustable Version).

Temperature (Adjustable Version).

170

160

V OUT = 0.8V Adj

I OUT = 0 mA

0.413

0.412

V IN = 6.0V

V OUT = 1.2V

I OUT = 1.0 mA

150

140

V IN =6.0V

0.411

130

120

V IN =5.0V

0.410

0.409

V IN = 4.0V

110

100

V IN =2.1V

V IN =3.0V

V IN =4.0V

0.408

V IN = 2.1V

90

0.407

-45

-20

5

30

55

80

105

130

-45

-20

5

30

55

80

105

130

Temperature (°C)

Temperature (°C)

FIGURE 2-3:

Quiescent Current vs.

FIGURE 2-6:

Adjust Pin Voltage vs.

Junction Temperature (Adjustable Version).

2007 Microchip Technology Inc.

Temperature (Adjustable Version).

DS22070A-page 11

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