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LM21215MHX PDF预览

LM21215MHX

更新时间： 2024-11-23 12:04:47
品牌 Logo 应用领域
德州仪器 - TI 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输出元件
页数 文件大小 规格书
33页 1166K
描述
15A High Efficiency Point of Load Synchronous Buck Regulator

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LM21215MHX 技术参数

生命周期：Obsolete零件包装代码：TSSOP
包装说明：TSSOP-20针数：20
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.71
Is Samacsys：N其他特性：SEATED HGT-NOM, ADJUSTABLE OUTPUT VOLTAGE IS 0.6 TO 5.5V
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：2.95 V标称输入电压：5 V
JESD-30 代码：R-PDSO-G20长度：6.5 mm
功能数量：1端子数量：20
最高工作温度：125 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：HTSSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
座面最大高度：1.1 mm表面贴装：YES
切换器配置：BUCK最大切换频率：500 kHz
温度等级：AUTOMOTIVE端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
宽度：4.4 mmBase Number Matches：1

LM21215MHX 数据手册

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LM21215  
www.ti.com  
SNVS625E –FEBRUARY 2011–REVISED MARCH 2013  
15A High Efficiency Point of Load Synchronous Buck Regulator  
Check for Samples: LM21215  
1
FEATURES  
APPLICATIONS  
2
•
Integrated 7.0 mΩ High Side and 4.3 mΩ Low  
Side FET Switches  
•
•
•
Broadband, Networking and Wireless  
Communications  
•
•
Adjustable Current Limit  
High-Performance FPGAs, ASICs and  
Microprocessors  
Adjustable Output Voltage From 0.6V to VIN  
(100% Duty Cycle Capable), ±1% Reference  
Simple to Design, High Efficiency Point of  
Load Regulation From a 5V or 3.3V Bus  
•
•
•
•
•
•
•
•
•
Input Voltage Range 2.95V to 5.5V  
500 kHz Fixed Switching Frequency  
Startup Into Pre-Biased Loads  
DESCRIPTION  
The LM21215 is a monolithic synchronous point of  
load buck regulator that is capable of delivering up to  
15A of continuous output current while producing an  
output voltage down to 0.6V with outstanding  
efficiency. The device is optimized to work over an  
input voltage range of 2.95V to 5.5V, making it suited  
for a wide variety of low voltage systems. The voltage  
mode control loop provides high noise immunity,  
narrow duty cycle capability and can be compensated  
to be stable with any type of output capacitance,  
providing maximum flexibility and ease of use.  
Output Voltage Tracking Capability  
Wide Bandwidth Voltage Loop Error Amplifier  
Adjustable Soft-Start With External Capacitor  
Precision Enable Pin With Hysteresis  
Integrated OVP, OTP, UVLO and Power-Good  
Thermally Enhanced HTSSOP-20 Exposed Pad  
Package  
Simplified Application Circuit  
HTSSOP-20  
L
OUT  
C
5,6,7  
11-16  
V
PVIN  
V
OUT  
SW  
IN  
C
IN  
R
F
OUT  
4
3
C
C3  
AVIN  
EN  
R
R
FB1  
C
F
R
C2  
LM21215  
19  
18  
FB  
C
C1  
R
C1  
optional  
optional  
COMP  
FB2  
2
1
SS/  
TRK  
C
C
C2  
SS  
17  
PGOOD  
ILIM  
PGND AGND  
20  
RILIM  
8,9,10  
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  
1234567...33

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