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Datasheet > 电源电路 > 开关式稳压器或控制器> LM2575HVS-ADJEP/NOPB
LM2575HVS-ADJEP/NOPB PDF预览

LM2575HVS-ADJEP/NOPB

更新时间： 2024-02-20 14:19:38
品牌 Logo 应用领域
德州仪器 - TI 稳压器开关
页数 文件大小 规格书
10页 171K
描述
IC,SMPS CONTROLLER,VOLTAGE-MODE,BIPOLAR,SIP,5PIN,PLASTIC

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LM2575HVS-ADJEP/NOPB 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：SOIC-24Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：7 weeks风险等级：5.59
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：40 V
最小输入电压：4 V标称输入电压：12 V
JESD-30 代码：R-PDSO-G24JESD-609代码：e3
长度：15.42 mm湿度敏感等级：2
功能数量：1端子数量：24
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流：3.2 A最大输出电压：37 V
最小输出电压：1.23 V封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP24,.4
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：250座面最大高度：2.64 mm
标称供电电压 (Vsup)：12 V表面贴装：YES
切换器配置：BUCK最大切换频率：63 kHz
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn) - annealed
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：40
宽度：7.52 mmBase Number Matches：1

LM2575HVS-ADJEP/NOPB 数据手册

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LM2575  
1-A SIMPLE STEP-DOWN SWITCHING VOLTAGE REGULATOR  
www.ti.com  
SLVS569E–JANUARY 2005–REVISED JANUARY 2006  
FEATURES  
APPLICATIONS  
•
Simple High-Efficiency Step-Down (Buck)  
Regulator  
•
Adjustable With a Range of 1.23 V to 37 V and  
±4% Regulation (Max) Over Line, Load, and  
Temperature Conditions  
•
•
•
Pre-Regulator for Linear Regulators  
On-Card Switching Regulators  
Positive-to-Negative Converter (Buck-Boost)  
•
•
•
•
Specified 1-A Output Current  
Wide Input Voltage Range…4.75 V to 40 V  
Uses Readily Available Standard Inductors  
N (PDIP) PACKAGE  
(TOP VIEW)  
52-kHz (Typ) Fixed-Frequency Internal  
Oscillator  
NC  
NC  
V
IN  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
•
TTL Shutdown Capability With 50-µA (Typ)  
NC  
Standby Current  
OUTPUT  
NC  
NC  
•
•
High Efficiency…as High as 88% (Typ)  
GND  
GND  
NC  
Thermal Shutdown and Current-Limit  
Protection With Cycle-by-Cycle Current  
Limiting  
GND  
NC  
FEEDBACK  
NC  
NC  
•
For the Full Offering of Voltages (Including  
Fixed-Output Options) and Packages  
(Including TO-263), see TL2575 Datasheet  
ON/OFF  
NC − No internal connection  
DESCRIPTION/ORDERING INFORMATION  
The LM2575 greatly simplifies the design of switching power supplies by conveniently providing all the active  
functions needed for a step-down (buck) switching regulator in an integrated circuit. Accepting a wide input  
voltage range and available in an adjustable output version, the LM2575 has an integrated switch capable of  
delivering 1 A of load current, with excellent line and load regulation. The device also offers internal frequency  
compensation, a fixed-frequency oscillator, cycle-by-cycle current limiting, and thermal shutdown. In addition, a  
manual shutdown is available via an external ON/OFF pin.  
The LM2575 represents a superior alternative to popular three-terminal linear regulators. Due to its high  
efficiency, it significantly reduces the size of the heat sink and, in many cases, no heat sink is required.  
Optimized for use with standard series of inductors available from several different manufacturers, the LM2575  
greatly simplifies the design of switch-mode power supplies by requiring a minimal addition of only four to six  
external components for operation.  
The LM2575 is characterized for operation over the virtual junction temperature range of –40°C to 125°C.  
ORDERING INFORMATION  
VO  
(NOM)  
TJ  
PACKAGE(1)  
Tube of 25  
ORDERABLE PART NUMBER  
TOP-SIDE MARKING  
LM2575IN  
–40°C to 125°C  
ADJ  
PDIP – N  
LM2575IN  
(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at  
www.ti.com/sc/package.  
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.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2005–2006, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
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