参数资料
型号: LTM4615IV#PBF
厂商: Linear Technology
文件页数: 18/24页
文件大小: 0K
描述: IC SWIT REG BUCK 4A ADJ 144LGA
产品培训模块: LTM4615 - Triple Output, Low Voltage DC/DC µModule Regulator
Power Module vs. Discrete DC to DC
软件下载: LTM4615
产品目录绘图: LTM Series_15x15x2.8
设计资源: DC1367A Design Files
LTM4615IV#PBF Footprint.bxl
特色产品: LTM4615 Series
μModule Products
DC/DC μModule Regulator Family
标准包装: 119
系列: µModule®
类型: 非隔离(POL)
输出数: 3
电压 - 输入(最小): 2.38V
电压 - 输入(最大): 5.5V
Voltage - Output 1: 0.8 ~ 5 V
Voltage - Output 2: 0.8 ~ 5 V
Voltage - Output 3: 0.4 ~ 2.6 V
电流 - 输出(最大): 4A,4A,1.5A
安装类型: 表面贴装
封装/外壳: 144-LGA
尺寸/尺寸: 0.59" L x 0.59" W x 0.11" H(15.0mm x 15.0mm x 2.8mm)
包装: 托盘
工作温度: -40°C ~ 125°C
效率: 95%
产品目录页面: 2711 (CN2011-ZH PDF)
配用: DC1367A-ND - BOARD EVAL LTM4615
LTM4615
APPLICATIONS INFORMATION
Safety Considerations
The LTM4615 modules do not provide galvanic isolation
from V IN to V OUT . There is no internal fuse. If required,
a slow blow fuse with a rating twice the maximum input
current needs to be provided to protect each unit from
catastrophic failure.
Layout Checklist/Example
The high integration of LTM4615 makes the PCB board
layout very simple and easy. However, to optimize its electri-
cal and thermal performance, some layout considerations
are still necessary.
?  Use  large  PCB  copper  areas  for  high  current  path, 
including V IN , GND and V OUT . It helps to minimize the
PCB conduction loss and thermal stress.
GND1 CONTROL
C IN1
?  Place high frequency ceramic input and output capaci -
tors next to the V IN , GND and V OUT pins to minimize
high frequency noise.
?  Place a dedicated power ground layer underneath the 
unit.
?  To minimize the via conduction loss and reduce module 
thermal stress, use multiple vias for interconnection
between the top layer and other power layers.
?  Do not put via directly on pads unless the via is capped.
Figure 11 gives a good example of the recommended layout.
V OUT1
GND1
M
L
C OUT1 C OUT2 V
OUT1
LD0_IN IN2
SW1
V IN1
GND1
GND3
C
K
J
H
G
F
C OUT3
GND1
LDO_OUT
GND3
CONTROL
GND2
V IN2
E
D
C
C OUT4 C OUT5
V OUT2
B
GND2
A
GND2
C IN3
1
2
3
4
5
6
7
8
9
10 11 12
GND2
SW2
GND2
4615 F11
Figure 11. Recommended PCB Layout
18
For more information www.linear.com/LTM4615
4615fb
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