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SC194AMLTRT PDF预览

SC194AMLTRT

更新时间: 2024-10-01 04:05:31
品牌 Logo 应用领域
商升特 - SEMTECH 转换器稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
17页 777K
描述
1A Synchronous Buck Converter with Integrated Power Devices

SC194AMLTRT 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SOIC
包装说明:3 X 3 MM, ROHS COMPLIANT, MLP-10针数:10
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:1.68
Is Samacsys:N模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:5.5 V最小输入电压:2.7 V
标称输入电压:3.6 VJESD-30 代码:S-PDSO-N10
JESD-609代码:e3长度:3 mm
功能数量:1端子数量:10
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:2.47 A封装主体材料:PLASTIC/EPOXY
封装代码:HVSON封装等效代码:SOLCC10,.12,20
封装形状:SQUARE封装形式:SMALL OUTLINE, 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:1 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:1150 kHz温度等级:INDUSTRIAL
端子面层:MATTE TIN端子形式:NO LEAD
端子节距:0.5 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:3 mm
Base Number Matches:1

SC194AMLTRT 数据手册

 浏览型号SC194AMLTRT的Datasheet PDF文件第2页浏览型号SC194AMLTRT的Datasheet PDF文件第3页浏览型号SC194AMLTRT的Datasheet PDF文件第4页浏览型号SC194AMLTRT的Datasheet PDF文件第5页浏览型号SC194AMLTRT的Datasheet PDF文件第6页浏览型号SC194AMLTRT的Datasheet PDF文件第7页 
SC194A  
1A Synchronous Buck Converter  
with Integrated Power Devices  
POWER MANAGEMENT  
Description  
Features  
The SC194A is a synchronous step-down converter with ‹ Up to 93% efciency  
‹ Output current - 1A  
‹ Input range - 2.7V to 5.5V  
‹ Quiescent current - 17μA  
‹ Four selectable output voltages  
‹ Dynamic voltage positioning capability  
‹ Fixed 1MHz frequency or 750kHz to 1.25MHz  
synchronized operation  
‹ PSAVE operation to maximize efciency at light loads  
‹ Minimal external components  
‹ Fast transient response  
integrated power devices. The SC194A is designed for  
single-cell Li-Ion battery applications, but can also be used  
in xed 3.3V or 5V applications. The switching frequency is  
nominally set to 1MHz, allowing the use of small inductors  
and capacitors. The 1.3A maximum current rating of the  
internal MOSFET switches allows a DC output current of  
1A.  
The SC194A has a exible clocking methodology that  
allows it to be synchronized to an external oscillator or  
controlled by the internal oscillator. The device can  
operate in either forced PWM mode or in PSAVE mode. If  
PSAVE mode is enabled the part will automatically enter  
PFM at light loads to maintain maximum efciency across  
the full load range.  
‹ 100% duty cycle in dropout  
‹ Soft-start  
‹ Over-temperature and short-circuit protection  
‹ Space-saving lead-free package - MLP-10, 3 x 3mm  
Applications  
For noise sensitive applications, PSAVE mode can be  
disabled by synchronizing to an external oscillator, or  
pulling the SYNC/PWM pin high. Shutdown turns off all  
the control circuitry to achieve a typical shutdown current  
of 0.1μA.  
‹ Cell phones  
‹ Wireless communication chipset power  
‹ Personal media player  
‹ Notebook and sub-notebook computers  
‹ PDAs and mobile communicators  
‹ WLAN peripherals  
Typical Application Circuit  
L1  
SC194A  
VOUT  
1.8V  
1A  
VIN  
EN  
LX  
VIN  
4.7μH  
2.7V to 5.5V  
SYNC/PWM  
VID0  
VOUT  
COUT  
CIN  
VID1  
MODE  
PGND  
GND  
10μF  
10μF  
July 05, 2006  
www.semtech.com  
1

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