FAN23SV20MAMPX datasheet(4/21 Pages) ONSEMI

Part #	FAN23SV20MAMPX

Description	20A Synchronous Buck Regulator

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Manufacturer	ONSEMI [ON Semiconductor]

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FAN23SV20

MAMPX • Rev. 1.1

3

Functional Block Diagram

Control

Logic

PVCC

VCC

Modulator

VCC

Thermal

Shutdown

2

nd Level OVP

Comparator

1

st Level OVP

Comparator

Under-Voltage

Comparator

FB

Comparator

Current Limit

Comparator

PFM

Comparator

HS Gate

Driver

LS Gate

Driver

VREF

x1.2

x1.1

x0.9

VCC

Linear

Regulator

VCC UVLO

PVCC

SW

PGND

ILIM

PGOOD

FREQ

FB

SS

VCC

PVCC

VIN

BOOT

PVIN

AGND

VCC

EN

ENABLE

10µA

1.26V/1.14V

Figure 3. Block Diagram

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FAN23SV20MAMPX Datasheet(PDF) 4 Page - ON Semiconductor

FAN23SV20MAMPX Datasheet(HTML) 4 Page - ON Semiconductor

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