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SC192IMLTRT PDF预览

SC192IMLTRT

更新时间: 2024-11-05 03:54:31
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
页数 文件大小 规格书
15页 261K
描述
Synchronous Buck Converter with Integrated Power Devices

SC192IMLTRT 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Not Recommended零件包装代码:SON
包装说明:HVSON, SOLCC10,.12,20针数:10
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.2
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 V
JESD-30 代码:S-XDSO-N10JESD-609代码:e3
长度:3 mm湿度敏感等级:1
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:1.6 A封装主体材料:UNSPECIFIED
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):260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:830 kHz温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)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

SC192IMLTRT 数据手册

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SC192  
Synchronous Buck Converter  
with Integrated Power Devices  
POWER MANAGEMENT  
Description  
Features  
‹ 2.7V to 7V Input Range  
The SC192 is a synchronous step-down converter with  
integrated power devices designed for battery operated ‹ Output Adjustable from 0.75V to Vin  
systems. The internal power switches reduce system  
‹ Fixed Frequency or PSAVE for Maximum  
size and cost. In addition, an efficiency of 95% can be  
Efficiency Over Wide Load Current Range  
achieved for significant line and load ranges. The SC192 ‹ 700mA Guaranteed Output Current  
is designed for single-cell Li-Ion battery applications, but  
also performs well in fixed 3.3V or 5V input circuits.  
‹ No Schottky Diode Required  
‹ 35μA Quiescent Current  
‹ 100% Duty Cycle in Dropout  
‹ 95% Efficiency  
‹ Fast Transient Response  
‹ Over Temperature Protection  
‹ Space-saving Micro Lead-Frame Package  
MLPD-10 3x3  
The SC192 has a flexible clocking scheme. It can be  
synchronized to an external oscillator, fixed to the inter-  
nal oscillator, or allowed to modulate the frequency dur-  
ing light loads (PSAVE) for maximum battery life, by the  
method called pulse frequency modulation (PFM). Shut-  
down places the switches in a high impedance state and  
turns off all control circuitry to achieve a typical quies-  
cent current of 0.1μA.  
Applications  
‹ Cell Phones  
‹ Cordless Phones  
Line and load regulation is to +/-0.5% of the output volt-  
age. The internal MOSFET switches provide >1A peak  
current to provide a DC output of at least 700mA.  
Grounding the ILIM pin reduces the current limit by half.  
‹ Notebook and Subnotebook Computers  
‹ PDAs and Mobile Communicators  
‹ 1 Li-Ion or 3 NiMH/NiCd Powered Devices  
The SC192 can achieve 100% duty cycle for excellent  
low dropout performance and comes in a tiny MLPD-10,  
3 x 3 package having a maximum height of 1mm.  
Typical Application Circuit  
SC192  
L1  
Vout = 0.75V to Vin  
Vin = 2.7V to 7V  
1
9
5
LX  
VIN  
EN  
C1  
R1  
R2  
8
6
C5  
C6  
ADJ  
ILIM  
10  
7
PGND  
SYNC/PWM  
COMP  
2
BP  
C4  
C3  
R8  
3
4
GND  
Revision 8, March 26, 2007  
1
www.semtech.com  

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