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Datasheet > 电源电路 > 开关式稳压器或控制器> LM2575D2T-3.3
LM2575D2T-3.3 PDF预览

LM2575D2T-3.3

更新时间： 2024-11-05 12:03:51
品牌 Logo 应用领域
安森美 - ONSEMI 稳压器开关式稳压器或控制器电源电路开关式控制器
页数 文件大小 规格书
26页 258K
描述
1.0 A, Adjustable Output Voltage, Step-Down Switching Regulator

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LM2575D2T-3.3 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：D2PAK包装说明：D2PK, 5 PIN
针数：4Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.06Is Samacsys：N
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：4.75 V标称输入电压：12 V
JESD-30 代码：R-PSSO-G5JESD-609代码：e0
长度：10.02 mm湿度敏感等级：1
功能数量：1端子数量：5
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流：3.2 A标称输出电压：3.3 V
封装主体材料：PLASTIC/EPOXY封装代码：TO-263
封装等效代码：SMSIP5H,.6,67TB封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：240
认证状态：Not Qualified座面最大高度：4.572 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：63 kHz
技术：BIPOLAR温度等级：AUTOMOTIVE
端子面层：Tin/Lead (Sn/Pb)端子形式：GULL WING
端子节距：1.702 mm端子位置：SINGLE
处于峰值回流温度下的最长时间：30宽度：9.1945 mm
Base Number Matches：1

LM2575D2T-3.3 数据手册

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LM2575  
1.0 A, Adjustable Output  
Voltage, Step−Down  
Switching Regulator  
The LM2575 series of regulators are monolithic integrated circuits  
ideally suited for easy and convenient design of a step−down  
switching regulator (buck converter). All circuits of this series are  
capable of driving a 1.0 A load with excellent line and load regulation.  
These devices are available in fixed output voltages of 3.3 V, 5.0 V,  
12 V, 15 V, and an adjustable output version.  
These regulators were designed to minimize the number of external  
components to simplify the power supply design. Standard series of  
inductors optimized for use with the LM2575 are offered by several  
different inductor manufacturers.  
http://onsemi.com  
TO−220  
TV SUFFIX  
CASE 314B  
1
5
Heatsink surface connected to Pin 3  
Since the LM2575 converter is a switch−mode power supply, its  
efficiency is significantly higher in comparison with popular  
three−terminal linear regulators, especially with higher input voltages.  
In many cases, the power dissipated by the LM2575 regulator is so  
low, that no heatsink is required or its size could be reduced  
dramatically.  
TO−220  
T SUFFIX  
CASE 314D  
1
The LM2575 features include a guaranteed ±4% tolerance on output  
voltage within specified input voltages and output load conditions, and  
±10% on the oscillator frequency (±2% over 0°C to 125°C). External  
shutdown is included, featuring 80 mA typical standby current. The  
output switch includes cycle−by−cycle current limiting, as well as  
thermal shutdown for full protection under fault conditions.  
5
Pin 1.  
V
in  
2. Output  
3. Ground  
4. Feedback  
5. ON/OFF  
Features  
• 3.3 V, 5.0 V, 12 V, 15 V, and Adjustable Output Versions  
• Adjustable Version Output Voltage Range of 1.23 V to 37 V ±4%  
Maximum Over Line and Load Conditions  
2
D PAK  
D2T SUFFIX  
CASE 936A  
1
• Guaranteed 1.0 A Output Current  
5
• Wide Input Voltage Range: 4.75 V to 40 V  
• Requires Only 4 External Components  
• 52 kHz Fixed Frequency Internal Oscillator  
• TTL Shutdown Capability, Low Power Standby Mode  
• High Efficiency  
Heatsink surface (shown as terminal 6 in  
case outline drawing) is connected to Pin 3  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 24 of this data sheet.  
• Uses Readily Available Standard Inductors  
• Thermal Shutdown and Current Limit Protection  
• Moisture Sensitivity Level (MSL) Equals 1  
• Pb−Free Packages are Available  
*For additional information on our Pb−Free strategy  
and soldering details, please download the  
ON Semiconductor Soldering and Mounting  
Techniques Reference Manual, SOLDERRM/D.  
Applications  
• Simple and High−Efficiency Step−Down (Buck) Regulators  
• Efficient Pre−Regulator for Linear Regulators  
• On−Card Switching Regulators  
DEVICE MARKING INFORMATION  
See general marking information in the device marking  
section on page 24 of this data sheet.  
• Positive to Negative Converters (Buck−Boost)  
• Negative Step−Up Converters  
• Power Supply for Battery Chargers  
Semiconductor Components Industries, LLC, 2004  
1
Publication Order Number:  
May, 2004 − Rev. 6  
LM2575/D  
1234567...26

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LM2575D2T-3.3 替代型号

型号 品牌 替代类型 描述 数据表
LM2575D2T-3.3R4 ONSEMI

完全替代

 1.0 A, Adjustable Output Voltage, Step-Down Switching Regulator
LM2575D2T-3.3R4G ONSEMI

完全替代

 1.0 A, Adjustable Output Voltage, Step-Down Switching Regulator
LM2575D2T-3.3G ONSEMI

完全替代

 1.0 A, Adjustable Output Voltage, Step-Down Switching Regulator

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