5秒后页面跳转
LM27342SD/NOPB PDF预览

LM27342SD/NOPB

更新时间: 2024-11-26 00:49:11
品牌 Logo 应用领域
德州仪器 - TI 开关光电二极管
页数 文件大小 规格书
44页 2082K
描述
LM27341/LM27342/LM27341-Q1/LM27342-Q1 2 MHz 1.5A/2A Wide Input Range Step-Down DC-DC Regulator with Frequency Synchronization

LM27342SD/NOPB 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: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:1.5
其他特性:ALSO OPERATES IN ADJUSTABLE MODE FROM 1V TO 18V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:20 V最小输入电压:3 V
标称输入电压:12 VJESD-30 代码:S-PDSO-N10
JESD-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:125 °C
最低工作温度:-40 °C最大输出电流:4 A
最大输出电压:18 V最小输出电压:1 V
标称输出电压:3.9 V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):260认证状态:Not Qualified
座面最大高度:0.8 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:2300 kHz温度等级:AUTOMOTIVE
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

LM27342SD/NOPB 数据手册

 浏览型号LM27342SD/NOPB的Datasheet PDF文件第2页浏览型号LM27342SD/NOPB的Datasheet PDF文件第3页浏览型号LM27342SD/NOPB的Datasheet PDF文件第4页浏览型号LM27342SD/NOPB的Datasheet PDF文件第5页浏览型号LM27342SD/NOPB的Datasheet PDF文件第6页浏览型号LM27342SD/NOPB的Datasheet PDF文件第7页 
LM27341, LM27342, LM27341-Q1, LM27342-Q1  
www.ti.com  
SNVS497E NOVEMBER 2008REVISED APRIL 2013  
LM27341/LM27342/LM27341-Q1/LM27342-Q1 2 MHz 1.5A/2A Wide Input Range Step-Down  
DC-DC Regulator with Frequency Synchronization  
Check for Samples: LM27341, LM27342, LM27341-Q1, LM27342-Q1  
1
FEATURES  
DESCRIPTION  
The LM27341 and LM27342 regulators are  
monolithic, high frequency, PWM step-down DC-DC  
converters in 10-pin SON and 10-pin MSOP-  
PowerPad packages. They contain all the active  
functions to provide local DC-DC conversion with fast  
transient response and accurate regulation in the  
smallest possible PCB area.  
2
Space Saving 3 x 3 mm 10-Pin SON and  
MSOP-PowerPad Packages  
Wide Input Voltage Range: 3V to 20V  
Wide Output Voltage Range: 1V to 18V  
LM27341 Delivers 1.5A Maximum Output  
Current  
With  
a
minimum of external components the  
LM27342 Delivers 2A Maximum Output Current  
High Switching Frequency: 2 MHz  
LM27341 and LM27342 are easy to use. The ability  
to drive 1.5A or 2A loads respectively, with an internal  
150 mNMOS switch results in the best power  
density available. The world-class control circuitry  
allows for on-times as low as 65 ns, thus supporting  
exceptionally high frequency conversion. Switching  
Frequency Synchronization: 1.00 MHz < fSW  
2.35 MHz  
<
150 mNMOS Switch with Internal Bootstrap  
Supply  
frequency is internally set to  
2
MHz and  
70 nA Shutdown Current  
synchronizable from 1 to 2.35 MHz, which allows the  
use of extremely small surface mount inductors and  
chip capacitors. Even though the operating frequency  
is very high, efficiencies up to 90% are easy to  
achieve. External shutdown is included featuring an  
ultra-low shutdown current of 70 nA. The LM27341  
and LM27342 utilize peak current-mode control and  
internal compensation to provide high-performance  
regulation over a wide range of operating conditions.  
Additional features include internal soft-start circuitry  
to reduce inrush current, pulse-by-pulse current limit,  
Internal Voltage Reference Accuracy of 1%  
Peak Current-Mode, PWM Operation  
Thermal Shutdown  
LM27341-Q1 and LM27342-Q1 are AEC-Q100  
Grade 1 Qualified and are Manufactured on an  
Automotive Grade Flow  
APPLICATIONS  
Local 12V to Vcore Step-Down Converters  
Radio Power Supply  
Core Power in HDDs  
Set-Top Boxes  
thermal  
protection.  
shutdown,  
and  
output  
over-voltage  
Automotive  
USB Powered Devices  
DSL Modems  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
All trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2008–2013, Texas Instruments Incorporated  

LM27342SD/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM27342SDX/NOPB TI

类似代替

LM27341/LM27342/LM27341-Q1/LM27342-Q1 2 MHz 1.5A/2A Wide Input Range Step-Down DC-DC Regul

与LM27342SD/NOPB相关器件

型号 品牌 获取价格 描述 数据表
LM27342SDX NSC

获取价格

2 MHz 1.5A/2A Wide Input Range Step-Down DC-DC Regulator with Frequency Synchronization
LM27342SDX/NOPB TI

获取价格

LM27341/LM27342/LM27341-Q1/LM27342-Q1 2 MHz 1.5A/2A Wide Input Range Step-Down DC-DC Regul
LM2734-Q1 TI

获取价格

具有轻负载效率的 3V 至 20V 输入电压、1A、汽车类降压转换器
LM2734XMK NSC

获取价格

Thin SOT23 1A Load Step-Down DC-DC Regulator
LM2734XMK/NOPB TI

获取价格

LM2734 Thin SOT 1A Load Step-Down DC-DC Regulator
LM2734XMKX NSC

获取价格

Thin SOT23 1A Load Step-Down DC-DC Regulator
LM2734XMKX/NOPB TI

获取价格

LM2734 Thin SOT 1A Load Step-Down DC-DC Regulator
LM2734XQMK/NOPB TI

获取价格

LM2734 Thin SOT 1A Load Step-Down DC-DC Regulator
LM2734XQMKE/NOPB TI

获取价格

LM2734 Thin SOT 1A Load Step-Down DC-DC Regulator
LM2734XQMKX/NOPB TI

获取价格

LM2734 Thin SOT 1A Load Step-Down DC-DC Regulator