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SC185BULTRT PDF预览

SC185BULTRT

更新时间: 2024-10-03 06:10:15
品牌 Logo 应用领域
商升特 - SEMTECH 稳压器开关式稳压器或控制器电源电路开关式控制器
页数 文件大小 规格书
18页 926K
描述
4A Synchronous Step-Down Regulator

SC185BULTRT 技术参数

是否Rohs认证:符合生命周期:Active
零件包装代码:QFN包装说明:3 X 3 MM, 0.60 MM HEIGHT, HALOGEN FREE AND ROHS COMPLIANT, MLPQ-16
针数:16Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.7Is Samacsys:N
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:VOLTAGE-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:5.5 V
最小输入电压:2.9 V标称输入电压:5 V
JESD-30 代码:S-XQCC-N16长度:3 mm
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
最大输出电流:7 A标称输出电压:1 V
封装主体材料:UNSPECIFIED封装代码:HVQCCN
封装等效代码:LCC16,.12SQ,20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):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:0.6 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:BUCK最大切换频率:1725 kHz
温度等级:INDUSTRIAL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:NOT SPECIFIED宽度:3 mm
Base Number Matches:1

SC185BULTRT 数据手册

 浏览型号SC185BULTRT的Datasheet PDF文件第2页浏览型号SC185BULTRT的Datasheet PDF文件第3页浏览型号SC185BULTRT的Datasheet PDF文件第4页浏览型号SC185BULTRT的Datasheet PDF文件第5页浏览型号SC185BULTRT的Datasheet PDF文件第6页浏览型号SC185BULTRT的Datasheet PDF文件第7页 
SC185  
4A Synchronous  
Step-Down Regulator  
POWER MANAGEMENT  
Features  
Description  
The SC185 is a 4A synchronous step-down regulator  
designed to operate with an input voltage range of  
2.9V to 5.5V. The device requires only three external  
filter components for a complete a step down regulator  
solution. The output voltage is factory predetermined  
with an available range of 1.0V to 3.3V.  
VIN Range: 2.9 – 5.5V  
VOUT Options: 1.0V to 3.3V  
Up to 4A Output Current  
Ultra-Small Footprint, <1mm Height Solution  
1.5MHz Switching Frequency  
Optional Power Save Mode Operation  
Efficiency Up to 95%  
The SC185 is optimized for maximum efficiency over a  
wide range of load currents. During full load operation,  
the SC185 operates in PWM mode with fixed 1.5MHz  
oscillator frequency, allowing the use of small surface  
mount external components. As the load decreases, the  
regulator has the option to transition into Power Save  
mode maintaining high efficiency or stay in forced PWM  
mode operation.  
Low Output Noise Across Load Range  
Excellent Transient Response  
Start Up into Pre-Bias Output  
100% Duty-Cycle Low Dropout Operation  
<1µA Shutdown Current  
Externally Programmable Soft Start Time  
Power Good indicator  
The SC185 offers output short circuit and thermal  
protection to safe guard the device under extreme  
operating conditions. The enable pin provides on/off  
control of the regulator. When connected to logic  
low, the device enters shutdown and consumes less  
than 1uA of current. Other protection features include  
programmable soft start with Power Good indicator, over  
voltage protection and under voltage lockout.  
Input Under-Voltage Lockout  
Output Over-Voltage, Current Limit Protection  
Over-Temperature Protection  
3mm x 3mm x 0.6mm thermally enhanced  
MLPQ-UT16 package  
-40 to +85°C Temperature Range  
Pb-free, Halogen free, and RoHS/WEEE compliant  
The SC185 is available in a thermally-enhanced, 3mm  
x 3mm x 0.6mm MLPQ-UT16 package and has a rated  
temperature range of -40 to +85°C.  
Applications  
Desktop Computing  
Set-Top Box  
LCD TV  
Network Cards  
Printer  
Typical Application Circuit  
L, 1.0µH  
14,15,16  
1,2  
4
VOUT  
1.5V  
VIN  
LX  
PVIN  
CIN  
22µF  
R1  
1  
COUT  
47µF  
SC185H  
AVIN  
C1  
0.1µF  
10  
VOUT  
7
6
PGOOD  
EN  
PGOOD  
Enable  
Mode  
11,12,13,T  
3
5
9
PGND  
AGND  
MODE  
SS  
CSS  
1
www.semtech.com  
June 18, 2010  

SC185BULTRT 替代型号

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