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LMR14203XMKX/NOPB PDF预览

LMR14203XMKX/NOPB

更新时间: 2024-11-23 13:09:23
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
16页 804K
描述
4.5V to 42V, 0.3A Step-Down DC/DC Switching Regulator in SOT-23 6-SOT-23-THIN -40 to 125

LMR14203XMKX/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:SOT-23
包装说明:VSSOP, TSOP6,.11,37针数:6
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:1.69其他特性:ALSO OPERATES IN ADJUSTABLE MODE FROM 0.765 TO 34V
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:42 V
最小输入电压:4.5 V标称输入电压:12 V
JESD-30 代码:R-PDSO-G6JESD-609代码:e3
长度:2.97 mm湿度敏感等级:1
功能数量:1端子数量:6
最高工作温度:125 °C最低工作温度:-40 °C
最大输出电流:0.3 A最大输出电压:34 V
最小输出电压:0.765 V封装主体材料:PLASTIC/EPOXY
封装代码:VSSOP封装等效代码:TSOP6,.11,37
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
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:1500 kHz温度等级:AUTOMOTIVE
端子面层:Matte Tin (Sn)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:1.65 mm
Base Number Matches:1

LMR14203XMKX/NOPB 数据手册

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LMR14203  
www.ti.com  
SNVS732C OCTOBER 2011REVISED APRIL 2013  
®
LMR14203 SIMPLE SWITCHER 42Vin, 0.3A Step-Down Voltage Regulator in SOT-23  
Check for Samples: LMR14203  
1
FEATURES  
DESCRIPTION  
The LMR14203 is a PWM DC/DC buck (step-down)  
regulator. With a wide input range from 4.5V-42V, it is  
suitable for a wide range of applications such as  
power conditioning from unregulated sources. They  
feature a low RDSON (0.9typical) internal switch for  
maximum efficiency (85% typical). Operating  
frequency is fixed at 1.25 MHz allowing the use of  
small external components while still being able to  
have low output voltage ripple. Soft-start can be  
implemented using the shutdown pin with an external  
RC circuit allowing the user to tailor the soft-start time  
to a specific application.  
2
Input Voltage Range of 4.5V to 42V  
Output Voltage Range of 0.765V to 34V  
Output Current up to 0.3A  
1.25 MHz Switching Frequency  
Low Shutdown Iq, 16 µA Typical  
Short Circuit Protected  
Internally Compensated  
Soft-Start Function  
Thin SOT-23-6 Package (2.97 x 1.65 x 1mm)  
Fully Enabled for WEBENCH® Power Designer  
The LMR14203 is optimized for up to 300 mA load  
current.  
PERFORMANCE BENEFITS  
Additional features include: thermal shutdown, VIN  
under-voltage lockout, and gate drive under-voltage  
lockout. The LMR14203 is available in a low profile  
SOT-6L package.  
Tight Accuracy for Powering Digital ICs  
Extremely Easy to Use  
Tiny Overall Solution Reduces System Cost  
APPLICATIONS  
Point-of-Load Conversions from 5V, 12V, and  
24V Rails  
Space Constrained Applications  
Battery Powered Equipment  
Industrial Distributed Power Applications  
Power Meters  
Portable Hand-Held Instruments  
System Performance  
Efficiency vs Load Current  
VIN = 12V, VOUT = 1.2V and 3.3V  
Efficiency vs Load Current  
VIN = 24V, VOUT = 1.2V and 3.3V  
100  
100  
90  
80  
70  
60  
50  
40  
30  
20  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
10  
0
1.2Vout  
3.3Vout  
1.2Vout  
3.3Vout  
0.00 0.05 0.10 0.15 0.20 0.25 0.30  
LOAD CURRENT (A)  
0.00 0.05 0.10 0.15 0.20 0.25 0.30  
LOAD CURRENT (A)  
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.  
All trademarks are the property of their respective owners.  
2
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 © 2011–2013, Texas Instruments Incorporated  

LMR14203XMKX/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LMR14203XMKE/NOPB TI

类似代替

4.5V to 42V, 0.3A Step-Down DC/DC Switching Regulator in SOT-23 6-SOT-23-THIN -40 to 125
LMR14203XMK/NOPB TI

类似代替

暂无描述

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