LM46002PWPRG4 datasheet(43/54 Pages) TI2

tên linh kiện	LM46002PWPRG4

Giải thích chi tiết về linh kiện	LM46002 3.5-V to 60-V, 2-A Synchronous Step-Down Voltage Converter

PDF	54 Pages

Scroll/Zoom	100%

nhà sản xuất	TI2 [Texas Instruments]

Trang chủ	https://www.ti.com

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43 / 54 page

AGND

VIN

COUT

VOUT

CBIAS

RFBT

RFBB

CFF

GND

CVCC

GND

CBOOT

VCC

BIAS

SYNC

PGOOD

VIN

PGND

SS/TRK

PGND

VIN

GND

VOUT

sense

PAD (17)

CIN

Place bypass

caps close to

pins

Ground

bypass caps

to DAP

As much copper area as possible, for better thermal performance

Preferably use GND Plane as a middle layer for shielding and heat dissipation

Preferably place and route on top layer and use solid copper on bottom layer for heat dissipation

VOUT sense point is away

from inductor and past COUT

As much copper area as possible,

for better thermal performance

VOUT distribution point

is away from inductor

and past COUT

Route VOUT

sense trace

away from

SW and VIN

nodes.

Preferably

shielded in an

alternative

layer

CBOOT

Place CBOOT

close to pins

GND

Place ceramic bypass caps

close to VIN and PGND pins

Place RFBB

close to FB

and AGND

Trace to

FB short

and thin

LM46002

www.ti.com

SNVSA13C – APRIL 2014 – REVISED APRIL 2019

Product Folder Links: LM46002

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10.2 Layout Example

Figure 102. LM46002 PCB Layout Example and Guidelines

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