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LTM4643 PDF预览

LTM4643

更新时间: 2024-02-21 02:46:45
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
24页 1814K
描述
20VIN, Dual 5A or Single 10A Step-Down DC/DC μModule Regulator

LTM4643 技术参数

是否Rohs认证: 符合生命周期:Active
零件包装代码:BGA包装说明:BGA-77
针数:77Reach Compliance Code:compliant
风险等级:2.28Base Number Matches:1

LTM4643 数据手册

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LTM4705  
ABSOLUTE MAXIMUM RATINGS  
PIN CONFIGURATION  
(Note 1)  
TOP VIEW  
V
V
, V ................................................... –0.3V to 22V  
OUT1 OUT2  
RUN1, RUN2 .............................................. –0.3V to 22V  
IN1 IN2  
1
2
3
4
5
6
7
, V  
, PGOOD1, PGOOD2................ –0.3V to 6V  
FB2 COMP2 RUN2 FREQ RUN1 COMP1 FB1  
A
B
C
D
E
F
SYNC/MODE  
TRACK/SS1  
TRACK/SS2  
PGOOD2  
INTV  
CC  
PGOOD1  
INTV , TRACK/SS1, TRACK/SS2............ –0.3V to 3.6V  
SYNC/MODE, COMP1, COMP2,  
FB1, FB2,...............................................–0.3V to INTV  
Operating Junction Temperature Range  
(Note 2).................................................. –40°C to 125°C  
Storage Temperature Range .................. –55°C to 125°C  
Peak Solder Reflow Body Temperature.................260°C  
CC  
GND  
SGND  
GND  
CC  
V
IN2  
V
IN1  
GND  
G
H
J
V
OUT2  
V
OUT1  
BGA PACKAGE  
63-PIN (6.25mm × 7.5mm × 3.22mm)  
T
= 125°C, θ  
JCtop  
= 22°C/W, θ  
= 4°C/W,  
JMAX  
JCbottom  
= 17°C/W, WEIGHT = 0.46g  
θ
JA  
ORDER INFORMATION  
PART MARKING*  
PACKAGE  
TYPE  
MSL  
TEMPERATURE RANGE  
(SEE NOTE 2)  
PART NUMBER  
LTM4705EY#PBF  
LTM4705IY#PBF  
PAD OR BALL FINISH  
DEVICE  
FINISH CODE  
RATING  
LTM4705Y  
LTM4705Y  
Au (RoHS)  
e1  
BGA  
3
–40°C to 125°C  
• Contact the factory 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  
LGA and BGA Package and Tray Drawings  
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating  
temperature range (Note 2), otherwise specifications are at TA = 25°C (Note 2), VIN1 = VIN2 = 12V, unless otherwise noted per the  
typical application shown in Figure 23.  
SYMBOL  
PARAMETER  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
Switching Regulator Section: Per Channel  
l
l
l
l
V
V
V
V
Input DC Voltage  
Input DC Voltage  
Output Voltage Range  
3.1  
1.5  
20  
20  
V
V
V
V
IN1  
3.1V < V < 20V  
IN2  
IN1  
0.6  
5.5  
OUT(RANGE)  
OUT(DC)  
Output Voltage, Total Variation with  
Line and Load  
C
= 22µF, C  
CC IN1  
= 0A to 5A  
= 100µF Ceramic, R = 40.2k, MODE =  
IN2  
1.477  
1.5  
1.523  
IN  
OUT  
FB  
INTV , V = V = 3.1V to 20V,  
I
OUT  
V
RUN Pin On Threshold  
RUN Threshold Rising  
RUN Threshold Falling  
1.16  
0.96  
1.27  
1
1.35  
1.06  
V
V
RUN  
I
Input Supply Bias Current  
V
V
= V = 12V, V = 1.5V, MODE = GND  
OUT  
15  
79  
75  
mA  
mA  
µA  
Q(VIN)  
IN1  
IN1  
IN2  
= V = 12V, V  
= 1.5V, MODE = INTV , I  
= 0.5A  
IN2  
OUT  
CC OUT  
Shutdown, RUN1 = RUN2 = 0  
Rev. 0  
2
For more information www.analog.com  

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