LTC3409 Ver la hoja de datos (PDF) - Linear Technology

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LTC3409

600mA Low VIN Buck Regulator in 3mm × 3mm DFN

Linear Technology 

LTC3409

TYPICAL PERFORMANCE CHARACTERISTICS

(From Typical Application on the front page except for the resistive divider resistor values)

Start-Up from Shutdown

Load Step 0mA to 600mA

Pulse Skip

RUN

2V/DIV

VOUT

1V/DIV

INDUCTOR

CURRENT

500mA/DIV

200μs/DIV

3409 G16

VOUT

100mV/DIV

ILOAD

500mA/DIV

INDUCTOR

CURRENT

500mA/DIV

20μs/DIV

3409 G17

Load Step 50mA to 600mA

Pulse Skip

Burst Mode Operation

ILOAD = 35mA

VOUT

100mV/DIV

ILOAD

500mA/DIV

INDUCTOR

CURRENT

500mA/DIV

20μs/DIV

3409 G18

VOUT

20mV/DIV

VSWITCH

2V/DIV

INDUCTOR

CURRENT

200mA/DIV

2μs/DIV

3409 G19

Load Step 0mA to 600mA

Burst Mode Operation

Load Step 50mA to 600mA

Burst Mode Operation

VOUT

100mV/DIV

ILOAD

500mA/DIV

INDUCTOR

CURRENT

500mA/DIV

20μs/DIV

3409 G20

VOUT

100mV/DIV

ILOAD

500mA/DIV

INDUCTOR

CURRENT

500mA/DIV

20μs/DIV

3409 G21

3409fc

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