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LM2585SX-ADJ PDF预览

LM2585SX-ADJ

更新时间: 2024-02-16 03:33:22
品牌 Logo 应用领域
美国国家半导体 - NSC 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
25页 629K
描述
SIMPLE SWITCHER 3A Flyback Regulator

LM2585SX-ADJ 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:TO-263, 5 PINReach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.08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:40 V最小输入电压:4 V
标称输入电压:5 VJESD-30 代码:R-PSSO-G5
JESD-609代码:e0长度:10.16 mm
湿度敏感等级:3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 A
标称输出电压:12 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):235认证状态:Not Qualified
座面最大高度:4.8 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:BOOST
最大切换频率:125 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:1.7 mm
端子位置:SINGLE处于峰值回流温度下的最长时间:30
宽度:8.64 mmBase Number Matches:1

LM2585SX-ADJ 数据手册

 浏览型号LM2585SX-ADJ的Datasheet PDF文件第2页浏览型号LM2585SX-ADJ的Datasheet PDF文件第3页浏览型号LM2585SX-ADJ的Datasheet PDF文件第4页浏览型号LM2585SX-ADJ的Datasheet PDF文件第5页浏览型号LM2585SX-ADJ的Datasheet PDF文件第6页浏览型号LM2585SX-ADJ的Datasheet PDF文件第7页 
March 1998  
LM2585  
SIMPLE SWITCHER® 3A Flyback Regulator  
General Description  
Features  
n Requires few external components  
The LM2585 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 adjust-  
able.  
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  
n Current-mode operation for improved transient  
response, line regulation, and current limit  
n 100 kHz switching frequency  
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  
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 regula-  
tors. Also listed are selector guides for diodes and capacitors  
and a family of standard inductors and flyback transformers  
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 a 100 kHz fixed-frequency internal oscillator that  
permits the use of small magnetics. Other features include  
soft start mode to reduce in-rush current during start up, cur-  
rent mode control for improved rejection of input voltage and  
output load transients and cycle-by-cycle current limiting. An  
±
n System Output Voltage Tolerance of 4% max over line  
and load conditions  
Typical Applications  
n Flyback regulator  
n Multiple-output regulator  
n Simple boost regulator  
n Forward converter  
±
output voltage tolerance of 4%, within specified input volt-  
ages and output load conditions, is guaranteed for the power  
supply system.  
Flyback Regulator  
DS012515-1  
Ordering Information  
Package Type  
NSC Package  
Drawing  
T05D  
Order Number  
5-Lead TO-220 Bent, Staggered Leads  
5-Lead TO-263  
LM2585T-3.3, LM2585T-5.0, LM2585T-12, LM2585T-ADJ  
LM2585S-3.3, LM2585S-5.0, LM2585S-12, LM2585S-ADJ  
TS5B  
5-Lead TO-263 Tape and Reel  
TS5B  
LM2585SX-3.3, LM2585SX-5.0, LM2585SX-12,  
LM2585SX-ADJ  
SIMPLE SWITCHER and Switchers Made Simple are registered trademarks of National Semiconductor Corporation.  
© 1999 National Semiconductor Corporation  
DS012515  
www.national.com  

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