LTM4608AV datasheet(6/24 Pages) LINER

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LTM4608A

4608afa

TEMPERATURE (°C)

–55

592

594

596

4608A G14

590

–25

598

600

602

125

VIN = 5.5V

VIN = 3.3V

VIN = 2.7V

Load Transient Response

Start-Up

VFB vs Temperature

Load Regulation vs Current

2.5V Output Current

Short-Circuit Protection

(2.5V Short, No Load)

Load Transient Response

VOUT

0.5V/DIV

VIN

2V/DIV

50μs/DIV

VIN = 5V

VOUT = 1.5V

COUT = 100μF NO LOAD AND 8A LOAD

(DEFAULT 100μs SOFT-START)

4608A G13

LOAD CURRENT (A)

–0.5

–0.4

–0.2

–0.3

–0.6

–0.1

4608A G15

FC MODE

VIN = 3.3V

VOUT = 1.5V

Short-Circuit Protection

(2.5V Short, 4A Load)

OUTPUT CURRENT (A)

0.5

1.0

1.5

2.0

2.5

3.0

510

4608A G16

2V/DIV

5A/DIV

50μs/DIV

4608A G17

VOUT

VIN

IOUT

VIN = 5V

VOUT = 2.5V

5V/DIV

5A/DIV

50μs/DIV

4608A G18

VOUT

VIN

IOUT SHORT

IOUT LOAD

VIN = 5V

VOUT = 2.5V

TYPICAL PERFORMANCE CHARACTERISTICS

20μs/DIV

VIN = 5V

VOUT = 1.8V, RFB = 4.87k

2.5A/μs STEP

COUT = 100μF X5R

C1 = NONE, C3 = NONE FROM FIGURE 18

4608A G10

ILOAD

2A/DIV

VOUT

20mV/DIV

AC COUPLED

20μs/DIV

VIN = 5V

VOUT = 1.5V, RFB = 6.65k

2.5A/μs STEP

COUT = 100μF X5R

C1 = NONE, C3 = NONE FROM FIGURE 18

4608A G11

ILOAD

2A/DIV

VOUT

20mV/DIV

AC COUPLED

20μs/DIV

VIN = 5V

VOUT = 1.2V, RFB = 10k

2.5A/μs STEP

COUT = 2 × 100μF

C1 = 100pF, C3 = NONE FROM FIGURE 18

4608A G12

ILOAD

2A/DIV

VOUT

20mV/DIV

AC COUPLED

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