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LTC1473LCGN#TRPBF PDF预览

LTC1473LCGN#TRPBF

更新时间： 2024-09-25 20:56:55
品牌 Logo 应用领域
凌特 - Linear 光电二极管
页数 文件大小 规格书
16页 160K
描述
LTC1473L - Dual Low Voltage PowerPath Switch Driver; Package: SSOP; Pins: 16; Temperature Range: 0°C to 70°C

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中文翻译

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LTC1473LCGN#TRPBF 技术参数

是否Rohs认证： 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：5.17可调阈值：NO
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：R-PDSO-G16
JESD-609代码：e3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）：260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：Matte Tin (Sn)
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：30
宽度：3.9116 mmBase Number Matches：1

LTC1473LCGN#TRPBF 数据手册

 浏览型号LTC1473LCGN#TRPBF的Datasheet PDF文件第2页浏览型号LTC1473LCGN#TRPBF的Datasheet PDF文件第3页浏览型号LTC1473LCGN#TRPBF的Datasheet PDF文件第4页浏览型号LTC1473LCGN#TRPBF的Datasheet PDF文件第5页浏览型号LTC1473LCGN#TRPBF的Datasheet PDF文件第6页浏览型号LTC1473LCGN#TRPBF的Datasheet PDF文件第7页 
LTC1473L  
Dua l Lo w Vo lta g e  
Po we rPa thTM Switc h Drive r  
U
FEATURES  
DESCRIPTIO  
Power Path Management for Systems  
with Multiple DC Sources  
Switches and Isolates Sources from 3.3V to 10V  
All N-Channel Switching to Reduce Power Losses  
and System Cost  
Built-In Step-Up Regulator for N-Channel Gate Drive  
Capacitor Inrush and Short-Circuit Current Limited  
User-Programmable Timer Prevents Overdissipation  
The LTC®1473L provides reliable and efficient switching  
between two DC power sources. This device drives two  
externalsets ofback-to-backN-channelMOSFETswitches  
to route power to the input of a low voltage system. An  
internal boost regulator provides the voltage to fully en-  
hance the logic-level N-channel MOSFET switches while  
an internal undervoltage lock-out circuit keeps the system  
alive down to 2.8V.  
■
■
■
■
■
■
During Current Limiting  
Undervoltage Lockout Prevents Operation with Low  
Inputs  
The LTC1473L senses current to limit inrush between the  
batteries and the system supply capacitor during switch-  
over transitions or during fault conditions. A user-pro-  
grammable timer monitors the time the MOSFET switches  
are in current limit and latches them off when the pro-  
grammed time is exceeded.  
■
■
Small Footprint: 16-Pin Narrow SSOP  
U
APPLICATIO S  
A unique “2-diode” logic mode 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.  
■
Portable Computers  
Portable Instruments  
Fault Tolerant Computers  
Battery-Backup Systems  
■
■
■
■
3.3V/5V Power Management  
U
TYPICAL APPLICATIO  
3.3V to 4-Cell NiMH Backup Switch  
Si9926DY  
DCIN  
3.3V  
LTC1473L  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
BAT54C  
IN1  
IN2  
GA1  
SAB1  
GB1  
LOGIC  
DRIVEN  
R
V
BAT1  
SENSE  
DIODE  
TIMER  
0.04Ω  
4× NiMH  
3.3V OR  
+
SENSE  
V
BAT1  
+
+
–
V
SENSE  
C
OUT  
V
GG  
GA2  
SAB2  
GB2  
1mH*  
C
TIMER  
SW  
1µF  
1µF  
2000pF  
GND  
1473 TA01  
* COILCRAFT 1812LS-105XKBC  
Si9926DY  
1
1234567...16

中文翻译

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