ADP2311ACPZ-2-R7 datasheet(3/20 Pages) AD

Il numero della parte	ADP2311ACPZ-2-R7

Spiegazioni elettronici	Dual 1 A, 18 V, Synchronous Step-Down Regulator with Fail-Safe Voltage Monitoring

PDF	20 Pages

Scroll/Zoom	100%

Produttore elettronici	AD [Analog Devices]

Homepage	http://www.analog.com

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3 / 20 page

Data Sheet

ADP2311

Rev. B | Page 3 of 20

FUNCTIONAL BLOCK DIAGRAM

0.6V

AMP1

CONTROL

LOGIC

AND

MOSFET

DRIVER

WITH

ANTI-CROSS

PROTECTION

BST1

SW1

I1MAX

HICCUP

MODE

DRIVER

VREG

–

OVP

PVIN1

UVLO

PGND1

SLOPE RAMP1

CLK1

LOW-SIDE

CURRENT

SENSE

SOFT

START

0.579V

ITIMER

DELAY

TIMER

POR1

POR2

PFO

0.6V

PFI

VM2

POR2

–

1.2V

1µA

4µA

POWER-UP

AND

POWER-DOWN

SEQUENCE

CONTROL

VREG

PVIN1

GND

REGULATOR

OSC

CLK1

CLK2

SLOPE RAMP1

SLOPE RAMP2

FB2

FB1

ADP2311

POR1

48mV

POR

CONTROL

LOGIC

ACS1

–

DRIVER

RESET

GENERATOR

–

ACS1

OCP

CMP1

0.7V

BOOST

REGULATOR

0.6V

AMP2

CONTROL

LOGIC

AND

MOSFET

DRIVER

WITH

ANTI-CROSS

PROTECTION

BST2

SW2

I2MAX

HICCUP

MODE

DRIVER

VREG

–

OVP

PVIN2

UVLO

PGND2

SLOPE RAMP2

CLK2

LOW-SIDE

CURRENT

SENSE

SOFT

START

0.579V

POR2

ACS1

–

DRIVER

–

ACS2

OCP

CMP2

0.7V

BOOST

REGULATOR

FB1

TIMER

FB2

POR

WDI

RSTO

Figure 3.

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