LTM4615EVPBF datasheet(7/24 Pages) LINER

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LTM4615

4615f

TYPICAL PERFORMANCE CHARACTERISTICS

Ripple Rejection

Output Current Limit

Delay from Enable to Power Good

4615 G19

FREQUENCY (Hz)

100

100000

1000

10000

1000000 1E+07

VBOOST3 = 5V

VLDO_IN = 1.5V

VLDO_OUT =1.2V

IOUT = 800mA

COUT = 10μF

4615 G20

VLDO_IN (V)

1.0

2.5

3.5

1.5

2.0

3.0

5.0

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.0

CURRENT LIMIT

THERMAL LIMIT

VLDO_OUT = 0V

TA = 25°C

4615 G21

VLDO_IN (V)

1.0

5.0

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

3.0

1.5

2.0

2.5

3.5

–40°C

25°C

85°C

VLDO_OUT = 0.8V

RLDO_OUT = 8Ω

Output Load Transient Response

IN Supply Transient Response

4615 G22

ILDO_OUT

1.5A

2mA

VLDO_OUT

20mV/DIV

50μs/DIV

VLDO_OUT = 1.5V

COUT = 10μF

VLDO_IN = 1.7V

VBOOST3 = 5V

4615 G23

VLDO_IN

1.5V

VLDO_OUT

10mV/DIV

10μs/DIV

VLDO_OUT = 1.2V

ILDO_OUT = 800mA

COUT = 10μF

VBOOST3 = 5V

TA = 25°C

BOOST3/OUT Start-Up

BOOST3 Ripple and Feedthrough to

VLDO_OUT

4615 G24

EN3

BOOST3

VLDO_OUT

200μs/DIV

TA = 25°C

RLDO_OUT = 1Ω

VLDO_IN = 1.7V

1.5V

4615 G25

BOOST3

AC 20mV/DIV

VLDO_OUT

AC 5mV/DIV

20μs/DIV

VLDO_OUT = 1.2V

VLDO_IN = 1.5V

ILDO_OUT = 1A

COUT = 10μF

TA = 25°C

LTM4615EVPBF Datasheet(PDF) 7 Page - Linear Technology

LTM4615EVPBF Datasheet(HTML) 7 Page - Linear Technology

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