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LM2576HVT-5.0 PDF预览

LM2576HVT-5.0

更新时间： 2024-02-15 00:37:06
品牌 Logo 应用领域
TGS 稳压器开关
页数 文件大小 规格书
8页 5067K
描述
regulators are monolithic integrated circuits that provide all the active functions for a step-down switching

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中文翻译

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LM2576HVT-5.0 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：SFM
包装说明：SFM,针数：3
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：0.56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：60 V最小输入电压：8 V
标称输入电压：12 VJESD-30 代码：R-PSFM-T5
JESD-609代码：e3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：7.5 A最大输出电压：37 V
最小输出电压：3.3 V标称输出电压：5 V
封装主体材料：PLASTIC/EPOXY封装代码：SFM
封装形状：RECTANGULAR封装形式：FLANGE MOUNT
峰值回流温度（摄氏度）：NOT APPLICABLE认证状态：Not Qualified
表面贴装：NO切换器配置：BUCK
最大切换频率：63 kHz温度等级：AUTOMOTIVE
端子面层：Matte Tin (Sn)端子形式：THROUGH-HOLE
端子位置：SINGLE处于峰值回流温度下的最长时间：NOT SPECIFIED
Base Number Matches：1

LM2576HVT-5.0 数据手册

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TIGER ELECTRONIC CO.,LTD  
LM2576 Series  
Description  
The LM2576 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching  
regulator, capable of driving 3A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3V,  
5V, 12V, 15V, and an adjustable output versions. Requiring a minimum number of external components, these regulators are simple to  
use and include internal frequency compensation and  
a
fixed-frequency oscillator. The LM2576 series offers a  
high-efficiency replacement for popular three-terminal linear regulators. It substantially reduces the size of the heat sink, and in some  
cases no heat sink is required. A standard series of inductors optimized for use with the LM2576 are available from several different  
manufacturers. This feature greatly simplifies the design of switch-mode power supplies. Other features include a guaranteed ± 4%  
tolerance on output voltage within specified input voltages and output load conditions, and ±10% on the oscillator frequency. External  
shutdown is included, featuring 50µA (typical) standby current. The output switch includes cycle-by-cycle current limiting, as well as  
thermal shutdown for full protection under fault conditions.  
Note:  
Applications  
Features  
•
•
•
•
Simple high-efficiency step-down (buck) regulator  
•
•
•
3.3V, 5V, 12V, 15V, and adjustable output versions  
Efficient pre-regulator for linear regulators  
On-card switching regulators  
Positive to negative converter (Buck-Boost)  
Adjustable version output voltage range  
1.23V to 37V (57V for HV version) ± 4% max over line  
and load conditions  
•
•
Guaranteed 3A output current  
Wide input voltage range, 40V up to 60V for HV  
version  
•
•
•
•
•
•
Requires only 4 external components  
52 kHz fixed frequency oscillator  
TTL shutdown capability, low power standby mode  
High efficiency  
Uses readily available standard inductors  
Thermal shutdown and current limit protection  
Typical application Figure 1.(Fixed Output Voltage Versions)  
LM2576/  
LM2576HV-  
5.0  
FEEDBACK  
7V - 40V  
(60V for HV)  
UNREGULATED  
DC INPUT  
+VIN  
1
4
L1  
OUTPUT  
+5V  
2
REGULATED  
OUTPUT  
3A  
100  
H
5
ON/OFF  
+
GND  
3
C
OUT  
+
D1  
1000  
C
IN  
TIGER ELECTRONICS CO.,LTD  
1
12345678

中文翻译

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