LTC3423 데이터 시트보기 (PDF) - Linear Technology

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LTC3423

Low Output Voltage, 3MHz Micropower Synchronous Boost Converters

Linear Technology 

LTC3423/LTC3424

BLOCK DIAGRA

VIN

3

+ 1V TO

VOUT + 0.3

SW

4

OPTIONAL

P

VOUT

7

VOUT

1.5V TO 5.5V

SHDN 10 SHUTDOWN

ANTICROSS

CONDITION

GND

5

CURRENT

LIMIT

N

ISENSE

AMP

+

10mV

IZERO

AMP

1.6A TYP (LTC3423)

2.8A TYP (LTC3424)

VDD

2.7V TO 5.5V

6 VDD

Rt 1

OSC

SYNC

PWM

LOGIC

CURRENT

COMP

SLEEP

+–

Σ

Burst Mode

CONTROL

SLOPE COMP

1.25V

ERROR

AMP

R1

FB

8

VC

9

R2

2 MODE/SYNC

3423/24 BD

34234f

6

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