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LTC4558EUD#PBF PDF预览

LTC4558EUD#PBF

更新时间: 2023-12-18 00:00:00
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
12页 148K
描述
LTC4558 - Dual SIM/Smart Card Power Supply and Interface; Package: QFN; Pins: 20; Temperature Range: -40°C to 85°C

LTC4558EUD#PBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:QFN包装说明:HVQCCN,
针数:20Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:3.57可调阈值:NO
模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUITJESD-30 代码:S-PQCC-N20
JESD-609代码:e3长度:3 mm
湿度敏感等级:1信道数量:1
功能数量:1端子数量:20
最高工作温度:85 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:HVQCCN
封装形状:SQUARE封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:0.8 mm最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):2.7 V标称供电电压 (Vsup):3.3 V
表面贴装:YES温度等级:COMMERCIAL EXTENDED
端子面层:Matte Tin (Sn)端子形式:NO LEAD
端子节距:0.4 mm端子位置:QUAD
处于峰值回流温度下的最长时间:30宽度:3 mm
Base Number Matches:1

LTC4558EUD#PBF 数据手册

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LTC4558  
Dual SIM/Smart Card  
Power Supply and Interface  
FEATURES  
DESCRIPTION  
The LTC®4558 provides the power conversion and signal  
level translation needed for advanced cellular telephones  
to interface with 1.8V or 3V subscriber identity modules  
(SIMs). The device meets all requirements for 1.8V and  
3V SIMs and contains LDO regulators to power 1.8V or 3V  
SIM cards from a 2.7V to 5.5V input. The output voltages  
can be set using the two voltage selection pins and up to  
50mA of load current can be supplied. A channel select  
pindetermineswhichchannelisopenforcommunication.  
Separate enable pins for each channel allow both cards to  
be powered at once and allow for faster transition from  
one channel to the other.  
Power Management and Control for Two SIM Cards  
or Smart Cards  
Independent 1.8V/3V V Control for Both Cards  
CC  
Supports Simultaneous Powering of Both Cards  
Fast Channel Switching  
Automatic Level Translation  
Dynamic Pull-Ups Deliver Fast Signal Rise Times*  
Built-In Fault Protection Circuitry  
Automatic Activation/Deactivation Sequencing  
Circuitry  
Low Operating/Shutdown Current  
> 10kV ESD on SIM Card Pins  
Meets EMV Fault Tolerance Requirements  
Internal level translators allow controllers operating with  
supplies as low as 1.4V to interface with 1.8V or 3V Smart  
Cards. Battery life is maximized by a low operating cur-  
rent of 65μA and a shutdown current of less than 1μA.  
Board area is minimized by the low profile 3mm × 3mm  
× 0.75mm leadless QFN package.  
Low Profile 20-Lead (3mm × 3mm) QFN Package  
APPLICATIONS  
+
GSM, TD-SCDMA and other 3G Cellular Phones  
Wireless Point-of-Sale Terminals  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
*Protected by U.S. Patents, including 6356140.  
Multiple SIM Card Interfaces  
TYPICAL APPLICATION  
DV  
CC  
V
BATT  
1.4V TO 4.4V 3V TO 6V  
DV  
CC  
Deactivation Sequence  
0.1μF  
0.1μF  
DV  
CC  
V
BATT  
C7  
C2  
C3  
C1  
CLKIN  
I/OA  
I/O  
RSTX  
RSTIN  
RSTA  
CLKA  
RST  
CLK  
1.8V/3V  
5V/DIV  
SIM  
DATA  
CARD A  
CLKX  
5V/DIV  
V
CCA  
V
CC  
CLKRUNA  
CLKRUNB  
GND  
μCONTROLLER  
1μF  
1μF  
C5  
GND  
I/OX  
5V/DIV  
ENABLEA  
ENABLEB  
CSEL  
C1  
C3  
C2  
C7  
V
V
CCB  
V
CC  
CCX  
2V/DIV  
CLKB  
RSTB  
I/OB  
CLK  
RST  
I/O  
1.8V/3V  
SIM  
CARD B  
4558 TA02  
C
= 1μF  
10μs/DIV  
VCCX  
VSELA  
VSELB  
GND  
C5  
LTC4558  
4558 TA01  
4558fa  
1

LTC4558EUD#PBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC4558EUD#TRPBF Linear

完全替代

LTC4558 - Dual SIM/Smart Card Power Supply and Interface; Package: QFN; Pins: 20; Temperat

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