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SC1457ISK3.1TRT PDF预览

SC1457ISK3.1TRT

更新时间: 2024-09-16 20:52:11
品牌 Logo 应用领域
商升特 - SEMTECH 光电二极管输出元件调节器
页数 文件大小 规格书
13页 421K
描述
Fixed Positive LDO Regulator, 3.1V, 0.23V Dropout, CMOS, PDSO5, ROHS COMPLIANT, SOT-23, 5 PIN

SC1457ISK3.1TRT 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SOT-23
包装说明:ROHS COMPLIANT, SOT-23, 5 PIN针数:5
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.84
可调性:FIXED最大回动电压 1:0.23 V
标称回动电压 1:0.15 V最大绝对输入电压:7 V
最大输入电压:6.5 V最小输入电压:2.25 V
JESD-30 代码:R-PDSO-G5JESD-609代码:e3
长度:2.9 mm最大电网调整率:0.012%
最大负载调整率:0.02%功能数量:1
输出次数:1端子数量:5
工作温度TJ-Max:125 °C工作温度TJ-Min:-40 °C
最大输出电流 1:0.15 A最大输出电压 1:3.162 V
最小输出电压 1:3.038 V标称输出电压 1:3.1 V
封装主体材料:PLASTIC/EPOXY封装代码:LSSOP
封装等效代码:TSOP5/6,.11,37封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, LOW PROFILE, SHRINK PITCH包装方法:TAPE AND REEL
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
调节器类型:FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR座面最大高度:1.45 mm
子类别:Other Regulators表面贴装:YES
技术:CMOS端子面层:MATTE TIN
端子形式:GULL WING端子节距:0.95 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
最大电压容差:2%宽度:1.6 mm
Base Number Matches:1

SC1457ISK3.1TRT 数据手册

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NOT RECOMMENDED FOR NEW DESIGN  
SC1457  
150mA Ultra Low Dropout  
Regulator with Undervoltage Flag  
POWER MANAGEMENT  
Description  
Features  
The SC1457 is a low dropout linear regulator that  
operates from a +2.25V to +6.5V input range and  
delivers up to 150mA. A PMOS pass transistor allows  
the low 75µA supply current to remain independent of  
load, making these devices ideal for battery operated  
portable equipment such as cellular phones, cordless  
phones and personal digital assistants.  
‹ Guaranteed 150mA output current  
‹ Error flag indicates output undervoltage fault  
‹ 2% output accuracy guaranteed over line, load and  
temperature  
‹ Very small external components - designed to work  
with ceramic capacitors  
‹ Low 110µVRMS output noise  
‹ Very low supply current  
‹ Thermal overload protection  
‹ Reverse battery protection  
‹ Low power shwn  
‹ Full industrial temperature range  
‹ Very low rofile packaging available (1mm max.  
height)  
‹ Surface mount packaging (SOT-23-5 and  
TSOT-23-5)  
The SC1457 has very low dropout voltage (typically 1.1mV  
at light loads and 150mV at 150mA) with better than  
1.5% initial output voltage accuracy. It has a logic  
compatible enable control input and an internal output  
undervoltage monitor.  
Designed especially for hand held, battery powered  
devices, the SC1457 can be switched by a CMOS or TTL  
compatible logic signal. When disabled, power  
consumption drops nearly to zero. Other features include  
short circuit protection, thermal shutdown protection and  
reverse battery protection.  
Applications  
‹ Battey Powered Systems  
‹ Clar Telephones  
‹ Cordless Telephones  
‹ Personal Digital Assistants  
‹ Portable Instrumentation  
‹ Modems  
The SC1457 is available in several fixed voltages in he  
tiny 5 lead SOT-23 package and the ultra low profile 5  
lead TSOT-23.  
‹ PCMCIA cards  
Typical Application Circuit  
U1  
SC1457  
OUT  
1
3
5
4
VIN  
VO  
IN  
R1 100k  
C1  
C2  
EN  
FLG  
GND  
2
1uF  
1uF  
UNDERVOLTAGE FLAG  
Revision: November 10, 2004  
1
www.semtech.com  

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