LTC3546 Просмотр технического описания (PDF) - Analog Devices

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производитель

LTC3546

Dual Synchronous, 3A/1A or 2A/2A Configurable Step-Down DC/DC Regulator

Analog Devices 

LTC3546

TYPICAL PERFORMANCE CHARACTERISTICS

OUT1 Burst Mode Operation

OUT1 Pulse-Skipping Mode

Operation

OUT1 Forced Continuous Mode

Operation

VOUT

20mV/DIV

VOUT

20mV/DIV

VOUT

20mV/DIV

ILOAD

500mA/DIV

2µs/DIV

SW1D CONNECTED TO SW1

VIN = 3.6V

VOUT = 1.8V

ILOAD = 300mA

ILOAD

250mA/DIV

3546 G02

1µs/DIV

SW1D CONNECTED TO SW1

VIN = 3.6V

VOUT = 1.2V

ILOAD = 100mA

ILOAD

250mA/DIV

3546 G03

1µs/DIV

SW1D CONNECTED TO SW1

VIN = 3.6V

VOUT = 1.2V

ILOAD = 100mA

3546 G04

OUT1 Burst Mode Operation

OUT1 Pulse-Skipping Mode

Operation

OUT1 Forced Continuous Mode

Operation

VOUT

20mV/DIV

ILOAD

200mA/DIV

1µs/DIV

SW1D CONNECTED TO SW2

VIN = 3.6V

VOUT = 1.8V

ILOAD = 200mA

VOUT

20mV/DIV

ILOAD

250mA/DIV

3546 G05

1µs/DIV

SW1D CONNECTED TO SW2

VIN = 3.6V

VOUT = 1.2V

ILOAD = 100mA

VOUT

20mV/DIV

ILOAD

250mA/DIV

3546 G06

1µs/DIV

SW1D CONNECTED TO SW2

VIN = 3.6V

VOUT = 1.2V

ILOAD = 50mA

3546 G07

OUT2 Burst Mode Operation

OUT2 Pulse-Skipping Mode

Operation

OUT2 Forced Continuous Mode

Operation

VOUT

20mV/DIV

ILOAD

500mA/DIV

1µs/DIV

SW1D CONNECTED TO SW2

VIN = 3.6V

VOUT = 2.5V

ILOAD = 500mA

6

VOUT

20mV/DIV

VOUT

20mV/DIV

ILOAD

500mA/DIV

3546 G08

1µs/DIV

SW1D CONNECTED TO SW2

VIN = 3.6V

VOUT = 1.8V

ILOAD = 200mA

ILOAD

500mA/DIV

3546 G09

1µs/DIV

SW1D CONNECTED TO SW2

VIN = 3.6V

VOUT = 1.8V

ILOAD = 100mA

For more information www.linear.com/3546

3546 G10

3546fd

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