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LTC1473LCGN#TR PDF预览

LTC1473LCGN#TR

更新时间: 2024-09-25 13:09:47
品牌 Logo 应用领域
凌特 - Linear 驱动器开关
页数 文件大小 规格书
16页 219K
描述
LTC1473L - Dual Low Voltage PowerPath Switch Driver; Package: SSOP; Pins: 16; Temperature Range: 0°C to 70°C

LTC1473LCGN#TR 技术参数

是否Rohs认证:不符合生命周期:Transferred
零件包装代码:SSOP包装说明:SSOP,
针数:16Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.16Is Samacsys:N
可调阈值:NO模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码:R-PDSO-G16JESD-609代码:e0
长度:4.9 mm湿度敏感等级:1
信道数量:2功能数量:1
端子数量:16最高工作温度:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:SSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH峰值回流温度(摄氏度):235
认证状态:Not Qualified座面最大高度:1.75 mm
最大供电电压 (Vsup):9 V最小供电电压 (Vsup):2.8 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:CMOS温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:0.635 mm端子位置:DUAL
处于峰值回流温度下的最长时间:20宽度:3.9116 mm
Base Number Matches:1

LTC1473LCGN#TR 数据手册

 浏览型号LTC1473LCGN#TR的Datasheet PDF文件第2页浏览型号LTC1473LCGN#TR的Datasheet PDF文件第3页浏览型号LTC1473LCGN#TR的Datasheet PDF文件第4页浏览型号LTC1473LCGN#TR的Datasheet PDF文件第5页浏览型号LTC1473LCGN#TR的Datasheet PDF文件第6页浏览型号LTC1473LCGN#TR的Datasheet PDF文件第7页 
LTC1473  
Dual PowerPathTM  
Switch Driver  
U
FEATURES  
DESCRIPTIO  
The LTC®1473 provides a power management solution for  
single and dual battery notebook computers and other  
portableequipment. TheLTC1473drivestwosetsofback-  
to-backN-channelMOSFETswitchestoroutepowertothe  
input of the main system switching regulator. An internal  
boost regulator provides the voltage to fully enhance the  
logic level N-channel MOSFET switches.  
Power Path Management for Systems with Multiple  
DC Sources  
AllN-ChannelSwitchingtoReducePowerLossesand  
System Cost  
Switches and Isolates Sources Up to 30V  
AdaptiveHighVoltageStep-UpRegulatorforN-Channel  
Gate Drive  
Capacitor Inrush and Short-Circuit Current Limited  
The LTC1473 senses current to limit surge currents both  
into and out of the batteries and the system supply  
capacitor during switch-over transitions or during fault  
conditions. Auser-programmabletimermonitorsthetime  
the MOSFET switches are in current limit and latches them  
off when the programmed time is exceeded.  
User-Programmable Timer to Limit Switch Dissipation  
Small Footprint: 16-Pin Narrow SSOP  
U
APPLICATIO S  
Notebook Computers  
Portable Instruments  
A unique “2-diode mode” logic ensures system start-up  
regardless of which input receives power first.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
PowerPath is a trademark of Linear Technology Corporation.  
Handi-Terminals  
Portable Medical Equipment  
Portable Industrial Control Equipment  
U
TYPICAL APPLICATION  
MBRD340  
Si9926DY  
BAT1  
MMBD2838LTI  
LTC1473  
1
16  
IN1  
GA1  
SAB1  
GB1  
FROM POWER  
MANAGEMENT  
µP  
2
3
4
5
6
7
8
15  
14  
13  
12  
11  
10  
9
DCIN  
IN2  
R
SENSE  
DIODE  
TIMER  
INPUT OF SYSTEM  
0.04Ω  
HIGH EFFICIENCY DC/DC  
SWITCHING REGULATOR  
(LTC1735, ETC)  
+
SENSE  
C
TIMER  
+
V
SENSE  
C
4700pF  
OUT  
V
GA2  
SAB2  
GB2  
1µF  
GG  
1mH*  
SW  
1µF  
GND  
MMBD914LTI  
BAT2  
1473 TA01  
Si9926DY  
*COILCRAFT 1812LS-105XKBC  
1

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