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SC1458AWLTRT PDF预览

SC1458AWLTRT

更新时间: 2024-11-19 04:05:35
品牌 Logo 应用领域
商升特 - SEMTECH 线性稳压器IC调节器电源电路光电二极管输出元件
页数 文件大小 规格书
13页 213K
描述
Dual Output Low Noise LDO Linear Regulator

SC1458AWLTRT 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:SOIC
包装说明:3 X 3 MM, ROHS COMPLIANT, MLPD-6针数:6
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.84
Is Samacsys:N可调性:FIXED
最大回动电压 1:0.2 V标称回动电压 1:0.1 V
最大回动电压 2:0.2 V最大绝对输入电压:6.5 V
最大输入电压:5.5 V最小输入电压:2.5 V
JESD-30 代码:S-XDSO-N6JESD-609代码:e3
长度:3 mm最大电网调整率:0.006%
最大负载调整率:0.02%湿度敏感等级:1
功能数量:1输出次数:2
端子数量:6工作温度TJ-Max:150 °C
工作温度TJ-Min:最大输出电流 1:0.3 A
最大输出电流 2:0.3 A最大输出电压 1:2.575 V
最小输出电压 1:2.425 V标称输出电压 1:2.5 V
最大输出电压 2:1.854 V最小输出电压 2:1.746 V
标称输出电压 2:1.8 V封装主体材料:UNSPECIFIED
封装代码:HVSON封装等效代码:SOLCC6,.13,38
封装形状:SQUARE封装形式:SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
包装方法:TAPE AND REEL峰值回流温度(摄氏度):260
认证状态:Not Qualified调节器类型:FIXED POSITIVE MULTIPLE OUTPUT LDO REGULATOR
座面最大高度:0.8 mm子类别:Other Regulators
表面贴装:YES技术:CMOS
端子面层:Matte Tin (Sn)端子形式:NO LEAD
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:3%
宽度:3 mmBase Number Matches:1

SC1458AWLTRT 数据手册

 浏览型号SC1458AWLTRT的Datasheet PDF文件第2页浏览型号SC1458AWLTRT的Datasheet PDF文件第3页浏览型号SC1458AWLTRT的Datasheet PDF文件第4页浏览型号SC1458AWLTRT的Datasheet PDF文件第5页浏览型号SC1458AWLTRT的Datasheet PDF文件第6页浏览型号SC1458AWLTRT的Datasheet PDF文件第7页 
SC1458  
Dual Output Low Noise LDO  
Linear Regulator  
POWER MANAGEMENT  
Features  
Description  
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Input voltage range — 2.5 to 5.5V  
Output voltages — 2.8V and 1.8V (SC1458A), 2.85V  
and 2.85V (SC1458B)  
Maximum output current — 300mA (each LDO)  
Low 200mV maximum dropout at 200mA load  
Quiescent current — 100μA (both LDOs enabled)  
Shutdown current — 100nA  
Output noise < 50μVRMS (SC1458B)  
PSRR > 65dB at 1kHz (SC1458B)  
Space saving package — MLPD-W6, 3mm x 3mm  
Over-temperature protection  
The SC1458 is a family of dual output, ultra-low dropout  
linear voltage regulators designed for use in battery  
powered wireless applications. Both versions of the  
SC1458 require an input voltage level between 2.5V and  
5.5V. The SC1458A supplies 2.5V on OUTA and 1.8V on  
OUTB, while SC1458B supplies 2.85V on both outputs.  
(For other voltage options see the SC560).  
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TheSC1458AprovidesaPGOODoutputtoholdaprocessor  
in reset when the voltage on OUTA is not in regulation.  
The SC1458B provides superior low-noise performance by  
using an external bypass capacitor to filter the bandgap  
reference. Both versions have a single enable pin that  
controls both LDO outputs. The startup sequence delays  
the start of OUTB by 128ꢀs after OUTA is enabled.  
Short-circuit protection  
Under-voltage lockout  
Reset monitor for output A (SC1458A)  
Applications  
Each version also provides protection circuitry such as  
current limiting, under-voltage lockout, and thermal  
protection to prevent device failures. Stability is  
maintained by using 1ꢀF capacitors on the output pins.  
The MLPD package and 0402 ceramic capacitors minimize  
the required PCB area.  
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PDAs and cellular phones  
GPS devices  
Palmtop computers and handheld instruments  
TFT/LCD applications  
Wireless handsets  
Digital cordless phones and PCS phones  
Personal communicators  
Two-way pagers  
Wireless LAN  
Typical Application Circuit  
SC1458A  
To μP  
VIN  
VIN  
EN  
PGOOD  
OUTA  
OUTA  
2.5V, 300mA  
From μP  
OUTB  
1.8V, 300mA  
GND  
OUTB  
CIN  
COUTA  
COUTB  
1μF  
2.2μF  
1μF  
September 12, 2007  
1

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