LTC3559EUD-TRPBF データシートの表示（PDF） - Linear Technology

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LTC3559EUD-TRPBF

Linear USB Battery Charger with Dual Buck Regulators

Linear Technology 

LTC3559/LTC3559-1

TYPICAL PERFORMANCE CHARACTERISTICS

Buck Regulator Start-Up Transient

VOUT

500mV/DIV

INDUCTOR

CURRENT

IL = 200mA/DIV

EN

2V/DIV

PVIN = 3.8V

50μs/DIV

PULSE SKIP MODE

LOAD = 6Ω

3559 G33

Buck Regulator Pulse Skip Mode

Operation

VOUT

20mV/DIV (AC)

SW

2V/DIV

INDUCTOR

CURRENT

IL = 50mA/DIV

PVIN = 3.8V

LOAD = 10mA

200ns/DIV

3559 G34

Buck Regulator Burst Mode

Operation

VOUT

20mV/DIV (AC)

SW

2V/DIV

INDUCTOR

CURRENT

IL = 60mA/DIV

PVIN = 3.8V

LOAD = 60mA

2μs/DIV

3559 G35

Buck Regulator Transient

Response, Pulse Skip Mode

INDUCTOR

CURRENT

IL = 200mA/DIV

VOUT

50mV/DIV (AC)

LOAD STEP

5mA TO 290mA

PVIN = 3.8V

50μs/DIV

3559 G36

Buck Regulator Transient

Response, Burst Mode Operation

INDUCTOR

CURRENT

IL = 200mA/DIV

VOUT

50mV/DIV (AC)

LOAD STEP

5mA TO 290mA

PVIN = 3.8V

50μs/DIV

3559 G37

3559fb

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