LTC3633AEUFDPBF 查看數據表（PDF） - Linear Technology

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LTC3633AEUFDPBF

Dual Channel 3A, 20V Monolithic Synchronous Step-Down Regulator

Linear Technology 

LTC3633A/LTC3633A-1

TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, VIN1 = VIN2 = 12V, fSW = 1MHz, L = 1μH

unless otherwise noted.

Load Step (Internal Compensation)

Start-Up (Burst Mode Operation)

Start-Up (Forced Continuous Mode)

VOUT

AC-COUPLED

100mV/DIV

IL

2A/DIV

20μs/DIV

VOUT = 1.8V

ILOAD = 100mA to 3A

ITH = INTVCC

RUN

2V/DIV

VOUT

1V/DIV

IL

2A/DIV

3633a G19

VOUT = 1.8V

CSS = 4.7nF

ILOAD = 150mA

400μs/DIV

RUN

2V/DIV

VOUT

1V/DIV

3633a G20

IL

1A/DIV

VOUT = 1.8V

CSS = 4.7nF

ILOAD = 150mA

400μs/DIV

3633a G21

Start-Up into Prebiased Output

(Burst Mode Operation)

RUN

2V/DIV

VOUT 1.8V

1V/DIV

IL

1A/DIV

ILOAD = 0mA

200μs/DIV

3633a G22

Start-Up into Prebiased Output

(Forced Continuous Mode)

RUN

2V/DIV

VOUT 1.8V

1V/DIV

IL

2A/DIV

ILOAD = 0mA

1ms/DIV

3633a G22

3633a1f

7

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