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RM4190D

更新时间： 2024-11-05 22:23:47
品牌 Logo 应用领域
雷神 - RAYTHEON 稳压器开关
页数 文件大小 规格书
25页 175K
描述
Micropower Switching Regulator

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中文翻译

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RM4190D 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
Reach Compliance Code：unknown风险等级：5.91
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：30 V
最小输入电压：2.6 VJESD-30 代码：R-GDIP-T8
JESD-609代码：e0功能数量：1
端子数量：8最高工作温度：125 °C
最低工作温度：-55 °C最大输出电流：0.375 A
标称输出电压：1.31 V封装主体材料：CERAMIC, GLASS-SEALED
封装代码：DIP封装等效代码：DIP8,.3
封装形状：RECTANGULAR封装形式：IN-LINE
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
子类别：Switching Regulator or Controllers最大供电电流 (Isup)：0.35 mA
表面贴装：NO切换器配置：SINGLE
最大切换频率：75 kHz技术：BIPOLAR
温度等级：MILITARY端子面层：Tin/Lead (Sn/Pb)
端子形式：THROUGH-HOLE端子节距：2.54 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
Base Number Matches：1

RM4190D 数据手册

 浏览型号RM4190D的Datasheet PDF文件第2页浏览型号RM4190D的Datasheet PDF文件第3页浏览型号RM4190D的Datasheet PDF文件第4页浏览型号RM4190D的Datasheet PDF文件第5页浏览型号RM4190D的Datasheet PDF文件第6页浏览型号RM4190D的Datasheet PDF文件第7页 
Electronics  
Semiconductor Division  
RC4190  
Micropower Switching Regulator  
Features  
• High efficiency – 85% typical  
• Low quiescent current – 215 µA  
• Adjustable output – 1.3V to 30V  
• High switch current – 200 mA  
• Bandgap reference – 1.31V  
• Accurate oscillator frequency – ±10%  
• Remote shutdown capability  
• Low battery detection circuitry  
• Low component count  
• 8-lead packages including small outline (SO-8)  
Description  
The RC4190 monolithic IC is a low power switch mode reg-  
ulator intended for miniature power supply applications.  
This DC-to-DC converter IC provides all of the active com-  
ponents needed to create supplies for micropower circuits  
(load power up to 400 mW, or up to 10W with an external  
power transistor). Contained internally are an oscillator,  
switch, reference, comparator, and logic, plus a discharged  
battery detection circuit.  
The standard application circuit requires just seven external  
components for step-up operation: an inductor, a steering  
diode, three resistors, a low value timing capacitor, and an  
electrolytic filter capacitor. The combination of simple appli-  
cation circuit, low supply current, and small package make  
the RC4190 adaptable to a wide range of miniature power  
supply applications.  
The RC4190 is most suited for single ended step-up  
Application areas include on-card circuits where a non-standard  
voltage supply is needed, or in battery operated instruments  
where an RC4190 can be used to extend battery lifetime.  
(V  
OUT  
> V ) circuits because the NPN internal switch tran-  
IN  
sistor is referenced to ground. It is complemented by another  
Raytheon micropower switching regulator, the RC4391,  
which is dedicated to step-down (V  
OUT  
< V ) and inverting  
IN  
These regulators can achieve up to 85% efficiency in most  
applications while operating over a wide supply voltage  
range, 2.2V to 30V, at a very low quiescent current drain of  
215 µA.  
V
= –V ) applications. Between the two devices the  
IN  
OUT  
ability to create all three basic switching regulator configura-  
tions is assured. Refer to the RC4391 data sheet for step-  
down and inverting applications.  
With some optional external components the application  
circuit can be designed to signal a display when the battery  
has decayed below a predetermined level, or designed to  
signal a display at one level and then shut itself off after the  
battery decays to a second level. See the applications section  
for these and other unique circuits.  
Block Diagram  
4190  
LBD  
LBR  
Q2  
C2  
The RC4190 micropower switching regulator series consists  
of three devices, each with slightly different specifications.  
The RM4190 has a 1.5% maximum output voltage tolerance,  
0.2% maximum line regulation, and operation to 30V. The  
RC4190 has a 5.0% maximum output voltage tolerance,  
0.5% maximum line regulation, and operation to 24V. Other  
specifications are identical. Each type is available in plastic  
and ceramic DIPs, or SO-8 packages.  
C
V
I
OSC  
X
FB  
C1  
+1.31V  
1.31V  
REF  
Gnd  
C
Q1  
+1.2V  
L
X
+V  
S
BIAS  
65-3464-01  
Rev. 1.0.0  
1234567...25

中文翻译

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