LTC3370 datasheet(7/22 Pages) AD

7 / 22 page

LTC3315B

Rev. 0

For more information www.analog.com

Load Transient Response,

Pulse Skip Mode

Startup Transient,

Burst Mode

Startup Transient,

Pulse Skip Mode

Startup Transient,

Forced Continuous Mode

TYPICAL PERFORMANCE CHARACTERISTICS T

A = 25°C, VIN = 3.3V, unless otherwise noted.

Load Transient Response, FC Mode

Load Transient Response,

Burst Mode

Pulse Skip Mode

Load Transient Response,

3.3VIN TO 1.8VOUT, 6MHz Typical Application

COUT = 10µF, L = 330nH

LOAD STEP: 0.1A TO 1.5A IN 5A/1uS

8µs/DIV

VOUT

100mV/DIV

ILOAD

1A/DIV

3315B G23

Load Transient Response, FC Mode

3.3VIN TO 1.8VOUT, 6MHz Typical Application

COUT = 10µF, L = 330nH

LOAD STEP: 0.1A TO 1.5A IN 5A/1uS

8µs/DIV

VOUT

100mV/DIV

ILOAD

1A/DIV

3315B G24

Burst Mode

Load Transient Response,

3.3VIN TO 1.8VOUT, 6MHz Typical Application

COUT = 10µF, L = 330nH

LOAD STEP: 0.1A TO 1.5A IN 5A/1uS

8µs/DIV

VOUT

100mV/DIV

ILOAD

1A/DIV

3315B G25

Pulse Skip Mode Mode

Startup Transient,

REFER TO BUCK1 IN TYPICAL APPLICATION

DUAL 1.8 AND 2V 6MHz, 2A BUCK

REGULATORS, VIN = 3.3V

200µs/DIV

2V/DIV

VOUT

1V/DIV

PGOOD

5V/DIV

500mA/DIV

3315B G26

Forced Continuous Mode

Startup Transient,

REFER TO BUCK1 IN TYPICAL APPLICATION

DUAL 1.8 AND 2V 6MHz, 2A BUCK

REGULATORS, VIN = 3.3V

200µs/DIV

2V/DIV

VOUT

1V/DIV

PGOOD

5V/DIV

500mA/DIV

3315B G27

Burst Mode

Startup Transient,

REFER TO BUCK1 IN TYPICAL APPLICATION

DUAL 1.8 AND 2V 6MHz, 2A BUCK

REGULATORS, VIN = 3.3V

200µs/DIV

2V/DIV

VOUT

1V/DIV

PGOOD

5V/DIV

500mA/DIV

3315B G28

LTC3370 Datasheet(PDF) 7 Page - Analog Devices

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