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LM2586S-ADJ/NOPB

更新时间： 2024-01-07 08:58:51
品牌 Logo 应用领域
美国国家半导体 - NSC 开关
页数 文件大小 规格书
30页 1250K
描述
IC 3 A SWITCHING REGULATOR, 200 kHz SWITCHING FREQ-MAX, PSSO7, TO-263, 7 PIN, Switching Regulator or Controller

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LM2586S-ADJ/NOPB 技术参数

是否Rohs认证： 符合生命周期：Transferred
包装说明：TO-263, 7 PINReach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.09模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：CURRENT-MODE最大输入电压：40 V
最小输入电压：4 V标称输入电压：5 V
JESD-30 代码：R-PSSO-G7JESD-609代码：e3
长度：10.16 mm湿度敏感等级：3
功能数量：1端子数量：7
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流：3 A标称输出电压：1.23 V
封装主体材料：PLASTIC/EPOXY封装代码：TO-263
封装等效代码：SMSIP7H,.55,50TB封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：245
认证状态：Not Qualified座面最大高度：4.8 mm
子类别：Switching Regulator or Controllers最大供电电流 (Isup)：115 mA
表面贴装：YES切换器配置：BOOST
最大切换频率：200 kHz技术：BIPOLAR
温度等级：AUTOMOTIVE端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：1.27 mm
端子位置：SINGLE处于峰值回流温度下的最长时间：30
宽度：8.635 mmBase Number Matches：1

LM2586S-ADJ/NOPB 数据手册

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July 2005  
LM2586  
SIMPLE SWITCHER® 3A Flyback Regulator with  
Shutdown  
General Description  
Features  
n Requires few external components  
n Family of standard inductors and transformers  
n NPN output switches 3.0A, can stand off 65V  
n Wide input voltage range: 4V to 40V  
The LM2586 series of regulators are monolithic integrated  
circuits specifically designed for flyback, step-up (boost), and  
forward converter applications. The device is available in 4  
different output voltage versions: 3.3V, 5.0V, 12V, and ad-  
justable.  
n Adjustable switching frequency: 100 kHz to 200 kHz  
n External shutdown capability  
n Draws less than 60 µA when shut down  
n Frequency synchronization  
n Current-mode operation for improved transient  
response, line regulation, and current limit  
n Internal soft-start function reduces in-rush current during  
start-up  
n Output transistor protected by current limit, under  
voltage lockout, and thermal shutdown  
n System output voltage tolerance of 4% max over line  
and load conditions  
Requiring a minimum number of external components, these  
regulators are cost effective, and simple to use. Included in  
the datasheet are typical circuits of boost and flyback regu-  
lators. Also listed are selector guides for diodes and capaci-  
tors and a family of standard inductors and flyback trans-  
formers designed to work with these switching regulators.  
The power switch is a 3.0A NPN device that can stand-off  
65V. Protecting the power switch are current and thermal  
limiting circuits, and an undervoltage lockout circuit. This IC  
contains an adjustable frequency oscillator that can be pro-  
grammed up to 200 kHz. The oscillator can also be synchro-  
nized with other devices, so that multiple devices can oper-  
ate at the same switching frequency.  
Typical Applications  
n Flyback regulator  
n Forward converter  
n Multiple-output regulator  
n Simple boost regulator  
Other features include soft start mode to reduce in-rush  
current during start up, and current mode control for im-  
proved rejection of input voltage and output load transients  
and cycle-by-cycle current limiting. The device also has a  
shutdown pin, so that it can be turned off externally. An  
output voltage tolerance of 4%, within specified input volt-  
ages and output load conditions, is guaranteed for the power  
supply system.  
Connection Diagrams  
Bent, Staggered Leads  
7-Lead TO-220 (T)  
Top View  
Bent, Staggered Leads  
7-Lead TO-220 (T)  
Side View  
01251618  
01251617  
Order Number LM2586T3.3, LM2586T-5.0,  
LM2586T-12 or LM2586T-ADJ  
See NS Package Number TA07B  
®
SIMPLE SWITCHER® and Switchers Made Simple are registered trademarks of National Semiconductor Corporation.  
© 2005 National Semiconductor Corporation  
DS012516  
www.national.com  
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LM2586S-ADJ/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
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