LTC1701 datasheet(3/12 Pages) LINER

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LTC1701/LTC1701B

LOAD CURRENT (mA)

100

1000

1701 • G01

VIN = 5.0V

VIN = 3.3V

VOUT = 2.5V

LTC1701

LTC1701B

INPUT VOLTAGE (V)

1701 • G02

100

ILOAD =100mA

ILOAD =10mA

VOUT = 2.5V

LTC1701

LTC1701B

INPUT VOLTAGE (V)

1701 • G03

300

250

200

150

100

ACTIVE

SLEEP

SUPPLY VOLTAGE (V)

1701 • G04

370

350

330

310

290

270

250

LOAD CURRENT (mA)

200

400

1701 • G05

0.60

0.40

0.20

0.00

–0.20

–0.40

–0.60

–0.80

–1.00

–1.20

–1.40

600

VOUT = 5.0V

VOUT = 3.3V

VIN (V)

1701 • G06

0.30

0.25

0.20

0.15

0.10

0.05

ILOAD = 200mA

ILOAD = 400mA

VIN (V)

3.0

3.8

701 • G07

3.2

3.4

3.6

3.4

3.3

3.2

3.1

3.0

2.9

2.8

2.7

2.6

ILOAD = 100mA

ILOAD = 500mA

ILOAD = 200mA

VOUT = 3.3V

FIGURE 1

1701 G09

VOUT

50mV/DIV

AC COUPLED

VIN = 3.3V, VOUT = 2.5V

CIRCUIT OF FIGURE 1

ILOAD = 100mA TO 500mA STEP

200mA/DIV

TYPICAL PERFORMANCE CHARACTERISTICS

Efficiency vs Load Current

Efficiency vs Input Voltage

DC Supply Current

Switch Resistance vs

Supply Voltage

Load Regulation

Line Regulation

Dropout Characteristics

Start-Up

Transient Response

1701 G08

VOUT

1V/DIV

VIN = 3.3V, VOUT = 2.5V

CIRCUIT OF FIGURE 1

RLOAD = 6Ω

ITH

2V/DIV

500mA/DIV

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