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R1112NXX1X PDF预览

R1112NXX1X

更新时间: 2024-11-15 23:31:03
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20页 218K
描述
Power Management ICs

R1112NXX1X 数据手册

 浏览型号R1112NXX1X的Datasheet PDF文件第2页浏览型号R1112NXX1X的Datasheet PDF文件第3页浏览型号R1112NXX1X的Datasheet PDF文件第4页浏览型号R1112NXX1X的Datasheet PDF文件第5页浏览型号R1112NXX1X的Datasheet PDF文件第6页浏览型号R1112NXX1X的Datasheet PDF文件第7页 
'2000.3.13  
LOW NOISE 150mA LDO REGULATOR  
R1112N SERIES  
n OUTLINE  
The R1112N Series are CMOS based voltage regulator ICs with high output voltage accuracy, extremely low supply current,  
low ON-resistance, and high ripple rejection. Each of these voltage regulator ICs consists of a voltage reference unit, an error  
amplifier, resistors, a current limit circuit, and a chip enable circuit.  
These ICs perform with low dropout voltage and a chip enable function. The line transient response and load transient  
response of the R1112N Series are excellent, thus these ICs are very suitable for the power supply for hand-held  
communication equipment.  
The output voltage of these ICs is fixed with high accuracy. Since the package for these ICsis SOT-23-5 (Mini-mold) package,  
high density mounting of the ICs on boards is possible.  
n FEATURES  
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Ultra-Low Supply Current.............................................. Typ. 100mA  
Standby Mode................................................................... Typ. 0.1mA  
Low Dropout Voltage ...................................................... Typ. 0.19V(IOUT=100mA 3.0V Output type)  
High Ripple Rejection..................................................... Typ. 80dB(f=1kHz)  
Low Temperature-Drift Coefficient of Output Voltage Typ. ±100ppm/ °C  
Excellent Line Regulation .............................................. Typ. 0.05%/V  
High Output Voltage Accuracy...................................... ±2.0%  
Excellent Dynamic Response  
Small Package ..................................................................SOT-23-5(Mini-mold)  
Output Voltage..................................................................Stepwise setting with a step of 0.1V in the range of 1.5V to 5.0V is  
possible  
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Built-in chip enable circuit ( 2 types; A: active low , B: active high)  
Pin-out................................................................................Similar to the LP2980/LP2985  
Built-in fold-back protection circuit..............................Typ. 30mA (Current at short mode)  
Ceramic capacitors recommended to be used with this IC  
n APPLICATIONS  
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Power source for cellular phones such as GSM, CDMA and various kinds of PCSs.  
Power source for electrical appliances such as cameras, VCRs and camcorders.  
Power source for battery-powered equipment.  
Rev. 1.10  
- 1 -  

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