ADP2105 데이터 시트보기 (PDF) - Analog Devices

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ADP2105

1 A/1.5 A/2 A Synchronous, Step-Down DC-to-DC Converters

Analog Devices 

ADP2105/ADP2106/ADP2107

FUNCTIONAL BLOCK DIAGRAM

COMP 5

SS 6

SOFT

START

FB 16

REFERENCE

0.8V

CURRENT SENSE

AMPLIFIER

14 IN

9 PWIN2

13 PWIN1

FB 16

AGND 7

GND 2

FOR PRESET

VOLTAGE

OPTIONS ONLY

GM ERROR

AMP

PWM/

PFM

CONTROL

GND 3

GND 4

NC 8

SLOPE

COMPENSATION

GND 15

OSCILLATOR

CURRENT

LIMIT

DRIVER

AND

ANTI-

SHOOT

THROUGH

ZERO CROSS

COMPARATOR

10 LX1

12 LX2

EN 1

THERMAL

SHUTDOWN

11 PGND

Data Sheet

Figure 3.

Rev. E | Page 4 of 36

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