MCP1725-2502E/MC【PDF 8/32 页】IC REG LDO 2.5V .5A 8DFN

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MCP1725

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, V IN = V OUT + 0.5V or V IN = 2.3V (whichever is greater), I OUT = 1 mA, C IN = C OUT =

4.7 μF Ceramic (X7R), SHDN = V IN , C DELAY = Open, Fixed Output Version, and T A = +25°C.

Note: Junction Temperature (T J ) is approximated by soaking the device under test to an ambient temperature equal to

the desired junction temperature. The test time is small enough such that the rise in Junction Temperature over the

Ambient temperature is not significant.

150

140

130

+90°C

+130°C

I OUT = 0 mA

0.12

0.10

0.08

I OUT = 1 mA

V IN = 2.3V to 6.0V

I OUT = 500 mA

120

110

100

90

-45°C

0°C

+25°C

0.06

0.04

0.02

I OUT = 100 mA

I OUT = 250 mA

I OUT = 50 mA

80

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 (1.8V Adjustable).

Temperature (1.8V Adjustable).

210

200

190

180

170

160

150

140

130

120

V OUT = 1.2V Adj

V IN = 5.0V

V IN = 3.3V

V IN = 2.5V

0.20

0.18

0.16

0.14

0.12

0.10

0.08

0.06

0.04

0.02

0.00

V OUT = 1.8V

V OUT = 5V

V OUT = 3.3V

V OUT = 0.8V

I OUT = 1.0 mA to 500 mA

0

100

200

300

400

500

-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 (1.2V Adjustable).

Temperature (Adjustable Version).

150

140

I OUT = 0 mA

0.412

I OUT = 1 mA

130

120

110

V IN = 5.0V

V IN = 6.0V

0.411

0.410

V IN = 6.0V

V IN = 5.0V

100

90

V IN = 2.3V

V IN = 3.3V

0.409

V IN = 2.3V, 3.0V, 4.0V

80

0.408

-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 (1.8V Adjustable).

DS22026B-page 8

Temperature.

? 2007 Microchip Technology Inc.

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