Datasheet > LTM4639

LTM4639

更新时间： 2023-12-20 18:44:10

品牌	Logo	应用领域
亚德诺 - ADI		稳压器
页数	文件大小	规格书
32页	574K
描述
低 VIN、20A、DC/DC μModule 降压型稳压器

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数据手册

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LTM4639 数据手册

LTM4639

ABSOLUTE MAXIMUM RATINGS

PIN CONFIGURATION

(Note 1)

TOP VIEW

V , C

OUT_LCL

MODE_PLLIN, f , TRACK/SS,

, OT_TEST .................................. –0.3V to 10V

IN PWR

MODE_PLLIN

COMPB

RUN

, PGOOD, EXTV .......................... –0.3V to 6V

INTV

TRACK/SS COMPA

SET

–

, V

, DIFF_OUT...................–0.3V to INTV

OSNS

OSNS CC

PWR

SET

COMPA, COMPB (Note 7) ................. –0.3V to 2.7V

FB,

OT_TEST

RUN (Note 5) ............................................... –0.3V to 5V

INTV

–

INTV Peak Output Current (Note 6) ..................100mA

Internal Operating Temperature Range

TEMP

EXTV

PGOOD

TEMP

(Note 2).................................................. –40°C to 125°C

Storage Temperature Range .................. –55°C to 125°C

Maximum Peak Body Reflow Temperature ........... 245°C

GND

PGOOD

SGND

OSNS

DIFF_OUT

OUT

OUT_LCL

–

OSNS

BGA PACKAGE

133-LEAD (15mm × 15mm × 4.92mm)

= 125°C, θ = 9.5°C/W, θ

= 4°C/W, θ

= 6.7°C/W, θ = 4.5°C/W

J(MAX)

JCbottom

JCtop JB

DERIVED FROM 95mm × 76mm PCB WITH 4 LAYERS; WEIGHT = 2.8g

θ VALUES DETERMINED PER JESD51-12

ORDER INFORMATION

PART MARKING*

PACKAGE

TYPE

MSL

TEMPERATURE RANGE

(SEE NOTE 2)

PART NUMBER

LTM4639EY#PBF

LTM4639IY#PBF

LTM4639IY

PAD OR BALL FINISH

SAC305 (RoHS)

SnPb (63/37)

DEVICE

FINISH CODE

RATING

LTM4639Y

BGA

–40°C to 125°C

BGA

–40°C to 125°C

• Consult Marketing for parts specified with wider operating temperature

ranges. *Pad or ball finish code is per IPC/JEDEC J-STD-609.

• Recommended LGA and BGA PCB Assembly and Manufacturing

Procedures: www.linear.com/umodule/pcbassembly

• LGA and BGA Package and Tray Drawings: www.linear.com/packaging

• Terminal Finish Part Marking: www.linear.com/leadfree

ELECTRICAL CHARACTERISTICS ^Thel denotes the specifications which apply over the specified internal

operating temperature range (Note 2), otherwise specifications are at T_A= 25°C. V_IN= 3.3V, C_PWR= 5V, per the typical application in

Figure 22.

SYMBOL

PARAMETER

CONDITIONS

MIN

2.375

4.5

TYP

MAX

UNITS

Range

Input DC Voltage Range

< 4.5V, C Bias

PWR

Voltage

PWR

Range

Output DC Voltage Range

0.6

5.5

1.523

OUT

Output Voltage, Total

Variation with Line and

Load

= 22µF × 3, C

OUT

= 5V

1.477

1.50

OUT(DC)

PWR

= 100µF Ceramic, 470µF POSCAP

= 40.2k, MODE_PLLIN = GND

= 2.375V to 7V, I

= 0A to 20A (Note 4)

OUT

4639f

For more information www.linear.com/LTM4639

123 4 5 6 7...32

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