MCP1825T-3302E/DC【PDF 11/38 页】IC REG LDO 3.3V .5A SOT223-5

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MCP1825/MCP1825S

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.

140

130

120

130°C

90°C

V OUT = 1.2V Adj

I OUT = 0 mA

0.10

0.09

0.08

0.07

0.06

0.05

I OUT = 1 mA

V OUT = 1.2V adj

V IN = 2.1V to 6.0V

I OUT = 50 mA

110

100

25°C

0°C

-45°C

0.04

0.03

0.02

0.01

I OUT =100 mA

I OUT =500 mA

I OUT =250 mA

90

0.00

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).

200

190

180

170

V OUT = 1.2V Adj

0.20

0.15

0.10

I OUT = 1.0 mA to 500 mA

V OUT = 3.3V

160

150

140

130

120

110

100

V IN =5.0V

V IN =3.3V

V IN =2.5V

0.05

0.00

-0.05

-0.10

-0.15

V OUT = 5.0V

V OUT = 1.8V

V OUT = 0.8V

0

100

200

300

400

500

600

-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

150

140

130

120

110

V IN =5.0V

V IN =6.0V

V OUT = 1.2V Adj

I OUT = 0 mA

V IN =4.0V

0.4110

0.4105

0.4100

0.4095

0.4090

0.4085

0.4080

V IN = 4.0V

V IN = 6.0V

V OUT = 1.8V

I OUT = 1.0 mA

100

90

V IN =2.1V

V IN =3.0V

0.4075

0.4070

V IN = 2.3V

-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).

? 2008 Microchip Technology Inc.

Temperature (Adjustable Version).

DS22056B-page 11

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