MCP1811A-025/OT Просмотр технического описания (PDF) - Microchip Technology

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MCP1811A-025/OT

Ultra-Low Quiescent Current LDO Regulator for Long-Life Battery-Powered Applications

Microchip Technology 

MCP1811A/11B/12A/12B

Note: Unless otherwise indicated, CIN = COUT = 1 μF (MCP1811X) or 2.2 μF (MCP1812X) ceramic type (X7R),

IOUT = 1 mA, TA = +25°C, VIN = VR + 1V, SHDN = 1 M pull-up to VIN.

2.5

VR = 4V

VIN = 5V to 5.5V

2.0

IOUT = 10 mA

340

320

300

VR = 3.3V

IOUT = 0

TJ = 85°C

TJ = -40°C

IOUT = 100 mA IOUT = 50 mA

280

1.5

IOUT = 125 mA

260

IOUT = 150 mA

1.0

-40

-15

10

35

60

85

Junction Temperature (°C)

FIGURE 2-55:

Line Regulation vs. Junction

Temperature (MCP1811X, VR = 4.0V).

240

TJ = 25°C

220

4.3

4.6

4.9

5.2

5.5

Input Voltage (V)

FIGURE 2-58:

Quiescent Current vs. Input

Voltage (MCP1812X, VR = 3.3V).

260

250

VR = 1V

IOUT = 0

240

TJ = -40°C

230

TJ = 25°C

220

TJ = 85°C

210

200

2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5

Input Voltage (V)

FIGURE 2-56:

Quiescent Current vs. Input

Voltage (MCP1811X, VR = 1.0V).

500

470

VR = 4V

IOUT = 0

440

TJ = -40°C

410

380

350

TJ = 85°C

320

290

260

230

TJ = 25°C

200

5.0

5.1

5.2

5.3

5.4

5.5

FIGURE 2-59:

Input Voltage (V)

Quiescent Current vs. Input

Voltage (MCP1811X, VR = 4.0V).

320

300

VR = 2.5V

IOUT = 0

280

TJ = -40°C

260

TJ = 85°C

240

TJ = 25°C

220

3.5

4.0

4.5

5.0

5.5

Input Voltage (V)

FIGURE 2-57:

Quiescent Current vs. Input

Voltage (MCP1812X, VR = 2.5V).

3.00

2.50

IOUT = 1 mA

VR = 1V

2.00

1.50

1.00

0.50

0.00

-40

-15

10

35

60

85

Junction Temperature (°C)

FIGURE 2-60:

Ground Current vs.

Temperature (MCP1811X, VR = 1.0V).

 2018-2019 Microchip Technology Inc.

DS20006088B-page 16

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