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LTC4557EUD#PBF PDF预览

LTC4557EUD#PBF

更新时间: 2024-11-21 13:09:55
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
12页 222K
描述
LTC4557 - Dual SIM/Smart Card Power Supply and Interface; Package: QFN; Pins: 16; Temperature Range: -40°C to 85°C

LTC4557EUD#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:16Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:7可调阈值:NO
模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUITJESD-30 代码:S-PQCC-N16
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: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: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):1.2 V标称供电电压 (Vsup):1.8 V
表面贴装:YES温度等级:COMMERCIAL
端子面层:Matte Tin (Sn)端子形式:NO LEAD
端子节距:0.5 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

LTC4557EUD#PBF 数据手册

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LTC4557  
Dual SIM/Smart Card  
Power Supply and Interface  
U
FEATURES  
DESCRIPTIO  
TheLTC®4557providespowerconversionandsignallevel  
translation needed for 2.5G and 3G cellular telephones to  
interface with 1.8V or 3V subscriber identity modules  
(SIMs). The part meets all requirements for 1.8V and 3V  
SIMs. The part 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.  
Power Management and Signal Level Translators  
for Two SIM Cards or Smart Cards  
Independent 1.8V/3V VCC Control for Both Cards  
Automatic Level Translation  
ISO7816, ETSI and EMV Compatible  
Dynamic Pull-Ups Deliver Fast Signal Rise Times*  
Built-In Fault Protection Circuitry  
Automatic Activation/Deactivation Sequencing  
Circuitry  
Internal level translators allow controllers operating with  
supplies as low as 1.2V to interface with 1.8V or 3V smart  
cards. Battery life is maximized by a low operating current  
of less than 100µA and a shutdown current of less than  
1µA. Board area is minimized by the low profile 3mm ×  
3mm × 0.75mm leadless QFN package.  
Low Operating/Shutdown Current  
>10kV ESD on SIM Card Pins  
Compatible with EMV Fault Tolerance Requirements  
Available in 16-LUead (3mm × 3mm) QFN Package  
APPLICATIO S  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
GSM and 3G Cellular Phones  
*U.S. Patent No. 6,356,140  
Wireless P.O.S. Terminals  
Multiple SAM Card Interface  
U
TYPICAL APPLICATIO  
DV  
V
BATT  
CC  
1.2V TO 4.4V 3V TO 6V  
DV  
CC  
0.1µF  
0.1µF  
Deactivation Sequence  
DV  
V
CC  
BATT  
I/OA  
C7  
C2  
C3  
C1  
CLKIN  
RSTIN  
DATA  
I/O  
RSTX  
RSTA  
CLKA  
RST  
CLK  
1.8V/3V  
SIM  
5V/DIV  
CARD  
CLKX  
5V/DIV  
V
V
CC  
CCA  
GND  
µCONTROLLER  
LTC4557  
1µF  
1µF  
C5  
GND  
I/OX  
5V/DIV  
C1  
C3  
C2  
C7  
V
CCX  
V
V
CC  
CCB  
2V/DIV  
ENABLE  
M0  
CLKB  
CLK  
RST  
I/O  
1.8V/3V  
SMART  
CARD  
4557 G07  
C
= 1µF  
10µs/DIV  
VCCX  
RSTB  
I/OB  
M1  
GND  
C5  
4557 TA01  
4557f  
1

LTC4557EUD#PBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC4557EUD#TRPBF Linear

完全替代

LTC4557 - Dual SIM/Smart Card Power Supply and Interface; Package: QFN; Pins: 16; Temperat

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