LTC3409AIDD View Datasheet(PDF) - Linear Technology

Part Name

Description

Manufacturer

LTC3409AIDD

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

Linear Technology 

LTC3409A

TYPICAL PERFORMANCE CHARACTERISTICS

(TA = 25°C, from Typical Application on the front page except for the resistive divider resistor values)

Start-Up from Shutdown, VIN = 3.6V,

VOUT = 1.8V, Load = 1kΩ

Load Step 0mA to 600mA Pulse-

Skipping, VIN = 3.6V, VOUT = 1.8V

RUN

2V/DIV

VOUT

100mV/DIV

VOUT

1V/DIV

INDUCTOR

CURRENT

200mA/DIV

200μs/DIV

3409A G16

ILOAD

500mA/DIV

INDUCTOR

CURRENT

500mA/DIV

20μs/DIV

3409A G17

Load Step 50mA to 600mA Pulse-

Skipping, VIN = 3.6V, VOUT = 1.8V

VOUT

50mV/DIV

ILOAD

500mA/DIV

INDUCTOR

CURRENT

500mA/DIV

20μs/DIV

3409A G18

Burst Mode Operation, ILOAD = 35mA,

VIN = 3.6V, VOUT = 1.8V

VOUT

20mV/DIV

VSWITCH

2V/DIV

INDUCTOR

CURRENT

500mA/DIV

4μs/DIV

3409A G19

Load Step 10mA to 600mA,

Burst Mode Operation, VIN = 3.6V,

VOUT = 1.8V

VOUT

100mV/DIV

ILOAD

500mA/DIV

INDUCTOR

CURRENT

500mA/DIV

20μs/DIV

3409A G20

Load Step 50mA to 600mA,

Burst Mode Operation, VIN = 3.6V,

VOUT = 1.8V

VOUT

50mV/DIV

ILOAD

500mA/DIV

INDUCTOR

CURRENT

500mA/DIV

20μs/DIV

3409A G21

3409af

6

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