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RP114K251B-TR PDF预览

RP114K251B-TR

更新时间: 2024-11-21 00:42:11
品牌 Logo 应用领域
理光 - RICOH /
页数 文件大小 规格书
28页 1268K
描述
Supply Current Typ. 50uA

RP114K251B-TR 数据手册

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RP114x SERIES  
300mA LDO REGULATOR  
OUTLINE  
NO. EA-236-160824  
The RP114x Series are CMOS-based voltage regulator ICs with high output voltage accuracy, low supply  
current, low dropout, and high ripple rejection. Each of these voltage regulator ICs consists of a voltage reference  
unit, an error amplifier, resistors for setting output voltage, a short current limit circuit, a chip enable circuit, and  
so on.  
RP114x features a minimum input voltage from 1.4V and the output voltage, which can be set from 0.8V to  
3.6V (in 0.1V step). The output voltage of these ICs is internally fixed.  
These ICs perform with low dropout voltage due to built-in transistor with low ON resistance. Low supply  
current and a chip enable function prolong the battery life of each system. The ripple rejection, line transient  
response and load transient response of the RP114x Series are excellent, thus these ICs are very suitable for  
the power supply for hand-held communication equipment.  
Since the packages for these ICs are DFN(PLP)1010-4, SC-88A, SOT-23-5, therefore high density mounting  
of the ICs on boards is possible.  
FEATURES  
Supply Current .............................................................Typ. 50µA  
Standby Current...........................................................Typ. 0.1µA  
Input Voltage Range.....................................................1.4V to 5.25V  
Output Voltage Range..................................................0.8V to 3.6V (0.1V steps)  
(For other voltages, please refer to Mark Specification Table).  
Output Voltage Accuracy..............................................±1.0% (VSET>2.0V, Topt=25°C)  
Temperature-Drift Coefficient of Output Voltage ..........Typ. ±80ppm/°C  
Dropout Voltage............................................................Typ. 0.25V (IOUT=300mA, VSET=2.8V)  
Ripple Rejection...........................................................Typ. 75dB (f=1kHz)  
Line Regulation ............................................................Typ. 0.02%/V  
Packages ....................................................................DFN(PLP)1010-4, SC-88A, SOT-23-5  
Built-in Fold Back Protection Circuit.............................Typ. 60mA (Current at short mode)  
Ceramic capacitors are recommended to be used with this IC ....1.0µF or more  
APPLICATIONS  
Power source for portable communication equipment.  
Power source for electrical appliances such as cameras, VCRs and camcorders.  
Power source for battery-powered equipment.  
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