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RN5RK381A-TL-FB PDF预览

RN5RK381A-TL-FB

更新时间： 2024-11-19 17:45:03
品牌 Logo 应用领域
理光 - RICOH ISM频段开关光电二极管
页数 文件大小 规格书
23页 445K
描述
Switching Regulator, Voltage-mode, 0.5A, 120kHz Switching Freq-Max, CMOS, PDSO5, MINI-MOLD, SC-74A, SOT-23, 5 PIN

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RN5RK381A-TL-FB 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：SOT-23
包装说明：LSSOP,针数：5
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.77
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：VOLTAGE-MODE
控制技术：FREQUENCY MODULATION最大输入电压：8 V
JESD-30 代码：R-PDSO-G5JESD-609代码：e6
长度：2.9 mm功能数量：1
端子数量：5最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：0.5 A
封装主体材料：PLASTIC/EPOXY封装代码：LSSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
座面最大高度：1.4 mm表面贴装：YES
切换器配置：SINGLE最大切换频率：120 kHz
技术：CMOS温度等级：INDUSTRIAL
端子面层：TIN BISMUTH端子形式：GULL WING
端子节距：0.95 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：1.6 mm
Base Number Matches：1

RN5RK381A-TL-FB 数据手册

 浏览型号RN5RK381A-TL-FB的Datasheet PDF文件第2页浏览型号RN5RK381A-TL-FB的Datasheet PDF文件第3页浏览型号RN5RK381A-TL-FB的Datasheet PDF文件第4页浏览型号RN5RK381A-TL-FB的Datasheet PDF文件第5页浏览型号RN5RK381A-TL-FB的Datasheet PDF文件第6页浏览型号RN5RK381A-TL-FB的Datasheet PDF文件第7页 
RN5RK SERIES  
VFM STEP-UP DC/DC CONVERTER  
OUTLINE  
NO.EA-045-0602  
The RN5RKxx1A/xx1B/xx2A Series are CMOS-based VFM (Chopper) Step-up DC/DC converter ICs with ultra  
low supply current and high output voltage accuracy.  
Each of the RN5RKxx1A/xx1B consists of an oscillator, a VFM control circuit, a driver transistor to have low  
ON resistance (Lx switch), a reference voltage unit, a high speed comparator, resistors for voltage detection, an  
Lx switch protection circuit and an internal chip enable circuit. A low ripple, high efficiency step-up DC/DC  
converter can be composed of this RN5RKxx1A/xx1B with only three external components: an inductor, a diode  
and a capacitor.  
The RN5RKxx2A uses the same chip as what is employed in the RN5RKxx1A/1B IC and has a drive pin (EXT)  
for an external transistor instead of an Lx pin. As it is possible to load a large output current with a power  
transistor which has a low saturation voltage, RN5RKxx2A IC is recommendable to users who need an output  
current as large as between several tens mA and several hundreds mA.  
Using the chip enable function, it is possible to make the supply current on standby minimized.  
Since the package for these ICs is SOT-23-5 (Mini-mold), high density mounting of the ICs on board is  
possible.  
FEATURES  
• Small Number of External Components .............................. Only an inductor, a diode and a capacitor  
(RN5RKxx1A/xx1B)  
• Standby Current................................................................... Typ. 0µA  
• High Output Voltage Accuracy .............................................±2.5%  
• Low Ripple and Low Noise  
• Low Start-up Voltage............................................................Max.0.9V  
• High Efficiency .....................................................................Typ. 80%  
• Including a Driver Transistor with Low ON Resistance........Only RN5RKxx1A/xx1B  
• Two Kinds of Duty Ratio.......................................................77% (xx1A, xx2A)/ 55% (xx1B)  
•
Output Voltage Range.......................................................... 2.0V to 5.5V  
• Low Temperature-Drift Coefficient of Output Voltage........... Typ. ±100ppm/°C  
• Small Packages ................................................................. SOT-23-5 (Mini-Mold)  
APPLICATIONS  
• Power source for battery-powered equipment.  
• Power source for cameras, camcorders, VCRs, and hand-held communication equipment.  
• Power source for those appliances which require higher cell voltage than that of batteries.  
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