LTC3604 datasheet(6/24 Pages) LINER

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LTC3604

3604f

TYPICAL PERFORMANCE CHARACTERISTICS

Start-Up from Shutdown

Burst Mode Operation

Start-Up from Shutdown

Forced Continuous Mode

Start-Up Into Pre-Biased Output

(1V Pre-Bias) Burst Mode

Operation

Load Step

Burst Mode Operation

Load Step

Forced Continuous Mode

TA = 25°C, VIN = 12V, fO = 1MHz, L = 1.5μH unless otherwise noted.

Short-Circuit Waveforms

Forced Continuous Mode

Output Ripple Voltage

Burst Mode Operation

Output Ripple Voltage

Forced Continuous Mode

Output Tracking

2μs/DIV

5V/DIV

1A/DIV

VOUT

20mV/DIV

AC-COUPLED

3604 G15

VIN = 12V

VOUT = 1.8V

ILOAD = 180mA

2μs/DIV

5V/DIV

1A/DIV

VOUT

20mV/DIV

AC-COUPLED

3604 G16

VIN = 12V

VOUT = 1.8V

ILOAD = 180mA

2ms/DIV

1V/DIV

0.5V/DIV

3604 G17

VIN = 12V

VOUT = 1.8V

RLOAD = 36Ω

VOUT

VFB

TRACK

200μs/DIV

RUN

2V/DIV

PGOOD

5V/DIV

2A/DIV

VOUT

1V/DIV

3604 G18

VIN = 12V

VOUT = 1.8V

ILOAD = 2.5A

200μs/DIV

RUN

2V/DIV

PGOOD

5V/DIV

2A/DIV

VOUT

1V/DIV

3604 G19

VIN = 12V

VOUT = 1.8V

ILOAD = 2.5A

1ms/DIV

RUN

2V/DIV

PGOOD

5V/DIV

1A/DIV

VOUT

1V/DIV

3604 G20

VIN = 12V

VOUT = 1.8V

ILOAD = 20mA

10μs/DIV

ILOAD

2A/DIV

VOUT

100mV/DIV

AC-COUPLED

3604 G21

VIN = 12V

VOUT = 1.8V

ILOAD = 250mA TO 2.5A

10μs/DIV

ILOAD

2A/DIV

VOUT

100mV/DIV

AC-COUPLED

3604 G22

VIN = 12V

VOUT = 1.8V

ILOAD = 250mA TO 2.5A

100μs/DIV

2A/DIV

VOUT

1V/DIV

PGOOD

2V/DIV

3604 G23

VIN = 12V

VOUT = 1.8V

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