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LM20323MHE/NOPB PDF预览

LM20323MHE/NOPB

更新时间： 2024-11-13 11:11:31
品牌 Logo 应用领域
德州仪器 - TI 开关光电二极管输出元件稳压器
页数 文件大小 规格书
30页 1399K
描述
4.5-36V 3A 电流模式同步降压稳压器 | PWP | 20 | -40 to 125

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LM20323MHE/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：TSSOP
包装说明：SSOP,针数：20
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：1.3其他特性：OUTPUT VOLTAGE IS ADJUSTABLE FROM 0.8 TO 5
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：36 V
最小输入电压：4.5 V标称输入电压：12 V
JESD-30 代码：R-PDSO-G20JESD-609代码：e3
长度：6.5 mm湿度敏感等级：1
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
最大输出电流：6 A最大输出电压：32 V
最小输出电压：0.8 V封装主体材料：PLASTIC/EPOXY
封装代码：SSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, SHRINK PITCH峰值回流温度（摄氏度）：260
认证状态：Not Qualified表面贴装：YES
切换器配置：BUCK最大切换频率：500 kHz
温度等级：AUTOMOTIVE端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：4.4 mmBase Number Matches：1

LM20323MHE/NOPB 数据手册

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LM20323  
www.ti.com  
SNVS557C –MAY 2008–REVISED APRIL 2013  
LM20323 36V, 3A 500 kHz Synchronous Buck Regulator  
Check for Samples: LM20323  
1
FEATURES  
APPLICATIONS  
2
•
•
•
•
4.5V to 36V Input Voltage Range  
•
•
•
Simple to Design, high Efficiency Point of  
Load Regulation from a 4.5V to 36V Bus  
3A Output Current, 5.2A Peak Current  
130 mΩ/110 mΩ Integrated Power MOSFETs  
High Performance DSPs, FPGAs, ASICs and  
Microprocessors  
93% Peak Efficiency with Synchronous  
Rectification  
Communications Infrastructure, Automotive  
DESCRIPTION  
•
•
1.5% Feedback Voltage Accuracy  
The LM20323 is a full featured 500kHz synchronous  
buck regulator capable of delivering up to 3A of load  
current. The current mode control loop is externally  
compensated with only two components, offering both  
high performance and ease of use. The device is  
optimized to work over the input voltage range of  
4.5V to 36V making it well suited for high voltage  
systems.  
Current Mode Control, Selectable  
Compensation  
•
•
•
•
Fixed 500 kHz Switching Frequency  
Adjustable Output Voltage Down to 0.8V  
Compatible with Pre-biased Loads  
Programmable Soft-start with External  
Capacitor  
The device features internal Over Voltage Protection  
(OVP) and Over Current Protection (OCP) circuits for  
increased system reliability. A precision Enable pin  
and integrated UVLO allows the turn-on of the device  
to be tightly controlled and sequenced. Startup inrush  
currents are limited by both an internally fixed and  
externally adjustable soft-start circuit. Fault detection  
and supply sequencing are possible with the  
integrated power good (PGOOD) circuit.  
•
•
•
Precision Enable Pin with Hysteresis  
Integrated OVP, UVLO, PGOOD  
Internally Protected with Peak Current Limit,  
Thermal Shutdown and Restart  
•
Accurate Current Limit Minimizes Inductor  
Size  
•
•
Non-linear Current Mode Slope Compensation  
20-Pin HTSSOP Exposed Pad Package  
Simplified Application Circuit  
LM20323  
BOOT  
C
BOOT  
L
V
SW  
V
IN  
OUT  
VIN  
D1  
(Optional)  
C
IN  
R
FB1  
C
OUT  
EN  
FB  
R
FB2  
COMP  
PGOOD  
SS/TRK  
AGND  
VCC  
GND  
R
C
C1  
C
VCC  
C1  
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 © 2008–2013, Texas Instruments Incorporated  
1234567...30

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LM20323MHE/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
SN74CBTLV3383PWR TI

完全替代

 LOW-VOLTAGE 10-BIT FET BUS-EXCHANGE SWITCH
SN74CBTLV3383DBQR TI

LOW-VOLTAGE 10-BIT FET BUS-EXCHANGE SWITCH
SN74CBTLV3383PW TI

完全替代

 LOW-VOLTAGE 10-BIT FET BUS-EXCHANGE SWITCH
SN74CBTLV3383DW TI

完全替代

 LOW-VOLTAGE 10-BIT FET BUS-EXCHANGE SWITCH

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