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LM1577K-12/883 PDF预览

LM1577K-12/883

更新时间： 2024-09-14 22:10:47
品牌 Logo 应用领域
美国国家半导体 - NSC 稳压器
页数 文件大小 规格书
27页 891K
描述
SIMPLE SWITCHER Step-Up Voltage Regulator

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中文翻译

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LM1577K-12/883 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：TO-3, CAN4/5,.45FLReach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.89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：3.5 V
标称输入电压：5 VJESD-30 代码：O-MBFM-P4
JESD-609代码：e0功能数量：1
端子数量：4最高工作温度：125 °C
最低工作温度：-55 °C最大输出电流：6 A
标称输出电压：12 V封装主体材料：METAL
封装代码：TO-3封装等效代码：CAN4/5,.45FL
封装形状：ROUND封装形式：FLANGE MOUNT
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
筛选级别：MIL-STD-883子类别：Switching Regulator or Controllers
最大供电电流 (Isup)：14 mA表面贴装：NO
切换器配置：BOOST最大切换频率：62 kHz
技术：BIPOLAR温度等级：MILITARY
端子面层：Tin/Lead (Sn/Pb)端子形式：PIN/PEG
端子位置：BOTTOM处于峰值回流温度下的最长时间：NOT SPECIFIED

LM1577K-12/883 数据手册

 浏览型号LM1577K-12/883的Datasheet PDF文件第2页浏览型号LM1577K-12/883的Datasheet PDF文件第3页浏览型号LM1577K-12/883的Datasheet PDF文件第4页浏览型号LM1577K-12/883的Datasheet PDF文件第5页浏览型号LM1577K-12/883的Datasheet PDF文件第6页浏览型号LM1577K-12/883的Datasheet PDF文件第7页 
June 1999  
LM1577/LM2577 Series  
SIMPLE SWITCHER® Step-Up Voltage Regulator  
General Description  
Features  
n Requires few external components  
n NPN output switches 3.0A, can stand off 65V  
n Wide input voltage range: 3.5V to 40V  
n Current-mode operation for improved transient  
response, line regulation, and current limit  
n 52 kHz internal oscillator  
The LM1577/LM2577 are monolithic integrated circuits that  
provide all of the power and control functions for step-up  
(boost), flyback, and forward converter switching regulators.  
The device is available in three different output voltage ver-  
sions: 12V, 15V, and adjustable.  
Requiring a minimum number of external components, these  
regulators are cost effective, and simple to use. Listed in this  
data sheet are a family of standard inductors and flyback  
transformers designed to work with these switching regula-  
tors.  
n Soft-start function reduces in-rush current during start-up  
n Output switch protected by current limit, under-voltage  
lockout, and thermal shutdown  
Included on the chip is a 3.0A NPN switch and its associated  
protection circuitry, consisting of current and thermal limiting,  
and undervoltage lockout. Other features include a 52 kHz  
fixed-frequency oscillator that requires no external compo-  
nents, a soft start mode to reduce in-rush current during  
start-up, and current mode control for improved rejection of  
input voltage and output load transients.  
Typical Applications  
n Simple boost regulator  
n Flyback and forward regulators  
n Multiple-output regulator  
Typical Application  
DS011468-1  
Note: Pin numbers shown are for TO-220 (T) package.  
Ordering Information  
Temperature  
Range  
Package  
Type  
Output Voltage  
15V  
NSC  
12V  
ADJ  
Package Package  
Drawing  
−40˚C ≤ TA ≤ +125˚C 24-Pin Surface Mount  
16-Pin Molded DIP  
LM2577M-12  
LM2577N-12  
LM2577S-12  
LM2577T-12  
LM2577T-12  
Flow LB03  
LM2577M-15  
LM2577N-15  
LM2577S-15  
LM2577T-15  
LM2577T-15  
Flow LB03  
LM2577M-ADJ  
LM2577N-ADJ  
LM2577S-ADJ  
LM2577T-ADJ  
LM2577T-ADJ  
Flow LB03  
M24B  
N16A  
TS5B  
T05A  
T05D  
SO  
N
5-Lead Surface Mount  
5-Straight Leads  
TO-263  
TO-220  
TO-220  
5-Bent Staggered  
Leads  
−55˚C ≤ TA ≤ +150˚C 4-Pin TO-3  
LM1577K-12/883 LM1577K-15/883  
LM1577K-  
ADJ/883  
K04A  
TO-3  
SIMPLE SWITCHER® is a registered trademark of National Semiconductor Corporation.  
© 1999 National Semiconductor Corporation  
DS011468  
www.national.com  
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中文翻译

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