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LTC4555EUD#TRPBF PDF预览

LTC4555EUD#TRPBF

更新时间: 2024-02-08 11:00:46
品牌 Logo 应用领域
凌特 - Linear 接口集成电路
页数 文件大小 规格书
8页 143K
描述
LTC4555 - SIM Power Supply and Level Translator; Package: QFN; Pins: 16; Temperature Range: -40°C to 85°C

LTC4555EUD#TRPBF 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:VQCCN,
针数:16Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.09接口集成电路类型:INTERFACE CIRCUIT
JESD-30 代码:S-PQCC-N16JESD-609代码:e3
长度:3 mm湿度敏感等级:1
功能数量:1端子数量:16
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:VQCCN
封装形状:SQUARE封装形式:CHIP CARRIER, 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:4.4 V
最小供电电压:1.2 V标称供电电压:1.8 V
电源电压1-最大:6 V电源电压1-分钟:3 V
电源电压1-Nom:3.3 V表面贴装:YES
温度等级:INDUSTRIAL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 mmBase Number Matches:1

LTC4555EUD#TRPBF 数据手册

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LTC4555  
SIM Power Supply  
and Level Translator  
FeaTures  
DescripTion  
The LTC®4555 provides power conversion and signal  
level shifting needed for low voltage 2.5G and 3G cellular  
telephones to interface with 1.8V or 3V subscriber identity  
modules (SIMs). The part meets all type approval require-  
ments for 1.8V and 3V SIMs and smart cards. The part  
contains an LDO linear regulator to supply SIM power at  
either 1.8V or 3V from a 3V to 6V input. The output volt-  
age is selected with a single pin and up to 50mA of load  
current can be supplied.  
n
SIM Power Supply: 1.8V/3V at 50mA  
n
Input Voltage Range: 3V to 6V  
n
Controller Voltage Range: 1.2V to 4.4V  
14kV ESD On All SIM Contact Pins  
n
n
Meets All ETSI, IMT-2000 and ISO7816 SIM/Smart  
Card Interface Requirements  
n
Level Translators to 1.8V or 3V  
n
20µA Operating Current  
n
Logic-Controlled Shutdown (I < 1µA)  
SD  
n
Available in a Low Profile, 16-Pin (3mm × 3mm)  
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 20µA operating current  
and <1µA shutdown current. Board area is minimized by  
the 3mm × 3mm leadless QFN package.  
QFN Package  
applicaTions  
n
SIM Interface in 3G Cellular Telephones  
Smart Card Readers  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and  
ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property  
of their respective owners.  
n
Typical applicaTion  
Typical SIM Interface  
V
BAT  
(1.2V TO 4.4V) (3V TO 6V)  
V
CC  
SIM/  
SMART CARD  
INTERFACE  
0.1µF  
0.1µF  
DV  
V
CC  
BAT  
SHDN  
V
CC  
V
CC  
V
1µF  
CONTROLLER  
SEL  
LTC4555  
GND  
R
RST  
CLK  
I/0  
RST  
CLK  
I/0  
IN  
C
IN  
DATA  
GND  
4555 TA01  
4555fc  
1
For more information www.linear.com/LTC4555  

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