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SC1548CSK.TR PDF预览

SC1548CSK.TR

更新时间: 2024-11-09 21:09:55
品牌 Logo 应用领域
商升特 - SEMTECH 光电二极管
页数 文件大小 规格书
14页 258K
描述
Analog Circuit, 1 Func, PDSO5, SOT-23, 5 PIN

SC1548CSK.TR 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:SOT-23
包装说明:SOT-23, 5 PIN针数:5
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.02模拟集成电路 - 其他类型:ANALOG CIRCUIT
JESD-30 代码:R-PDSO-G5JESD-609代码:e0
长度:2.9 mm功能数量:1
端子数量:5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:LSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, LOW PROFILE, SHRINK PITCH峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:1.45 mm
最大供电电压 (Vsup):12.72 V最小供电电压 (Vsup):11.28 V
标称供电电压 (Vsup):12 V表面贴装:YES
温度等级:COMMERCIAL端子面层:TIN LEAD
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
宽度:1.6 mmBase Number Matches:1

SC1548CSK.TR 数据手册

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SC1548  
Linear FET Controller  
POWER MANAGEMENT  
Description  
Features  
The SC1548 is a power supply controller designed to  
provide a simple single regulated power supply with over  
current protection. It is part of Semtech’s SmartLDO™  
family of products. The SC1548 can provide a 1.818V  
power supply for the I/O plane or 1.515V for GTL+ / AGP  
from either 3.3V or 2.5V. An adjustable option allows  
generation and control of any voltage from 1.263V up to  
5V.  
‹ ± 2.5% output accuracy over line, load and  
temperature  
‹ 1.515V, 1.818V and adjustable output voltage  
options available  
‹ Enable control  
‹ Over current protection  
‹ 5-pin SOT-23 package  
Applications  
SC1548 features include tight output voltage regulation,  
an enable control and over current protection. Over  
current protection is provided by feedback to the sense  
pin. If the output drops below 50% of the nominal  
output voltage (typical) for greater than 4ms (typical), the  
output will be shut down.  
‹ Motherboards  
‹ Graphics cards  
‹ Microcontrollers  
‹ Simple power supplies  
The SC1548 is available in a tiny 5-pin SOT-23 surface  
mount package.  
Typical Application Circuit  
Fixed Output Voltage Versions  
3.3V IN  
12V IN  
Q1  
IRL530N  
1.818V OUT  
C1  
C2  
C3  
+
+
+
100uF  
100uF  
22uF  
U1  
1
2
3
5
4
SNS EN  
GND  
ENABLE  
DRV IN  
SC1548CSK-1.8  
C4  
0.1uF  
Adjustable Output Voltage Version  
3.3V IN  
12V IN  
Q1  
IRL530N  
2.5V OUT  
R1  
C1  
C2  
C3  
22uF  
+
+
+
100uF  
100uF  
97.6  
U1  
1
2
3
5
ADJ EN  
ENABLE  
GND  
R2  
4
DRV IN  
100  
SC1548CSK  
C4  
0.1uF  
Revision: November 10, 2004  
1
www.semtech.com  

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