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R1120N371B-TL Просмотр технического описания (PDF) - RICOH Co.,Ltd.

Номер в каталогеR1120N371B-TL Ricoh
RICOH Co.,Ltd. Ricoh
Компоненты ОписаниеLOW NOISE 150mA L.D.O REGULATOR
R1120N371B-TL Datasheet PDF : 24 Pages
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R1120N SERIES
APPLICATION MANUAL
CONTENTS
OUTLINE ......................................................................................................1
FEATURES ...................................................................................................1
APPLICATIONS.............................................................................................1
BLOCK DIAGRAM.........................................................................................2
SELECTION GUIDE.......................................................................................2
PIN CONFIGURATION ...................................................................................3
PIN DESCRIPTION ........................................................................................3
ABSOLUTE MAXIMUM RATINGS...................................................................4
ELECTRICAL CHARACTERISTICS ................................................................5
OPERATION..................................................................................................7
TEST CIRCUITS ............................................................................................8
TYPICAL CHARACTERISTICS .......................................................................9
1) Output Voltage vs. Output Current ......................................................................9
2) Output Voltage vs. Input Voltage ........................................................................9
3) Dropout Voltage vs. Output Current ...................................................................10
4) Output Voltage vs. Temperature .......................................................................11
5) Supply Current vs. Input Voltage ......................................................................11
6) Supply Current vs. Temperature .......................................................................12
7) Dropout Voltage vs. Set Output Voltage ..............................................................13
8) Ripple Rejection vs. Frequency ........................................................................13
9) Ripple Rejection vs. Input Voltage (DC bias).........................................................15
10) Line Transient Response ...............................................................................15
11) Load Transient Response ..............................................................................16
TYPICAL APPLICATION ..............................................................................19
PACKAGE DIMENSION ................................................................................19
TAPING SPECIFICATION .............................................................................20
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OUTLINE
The R1120N Series are voltage regulator ICs with high output voltage accuracy, lowest supply current, low ON Resistance and high Ripple Rejection by CMOS process. 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 Dynamic Response to line and load is fast, so these ICs are very suitable for the power supply for handheld communi cation equipment.
The output voltage of these ICs is fixed with high accuracy.
Since the package for these ICs are SOT-23-5(Mini-mold)package, high density mounting of the ICs on boards is possible.

FEATURES
• Ultra-Low Supply Current.....................TYP. 35µA
• Standby Current.....................................TYP. 0.1µA
• Dropout Voltage.....................................TYP. 0.2V (IOUT=100mA)
• High Ripple Rejection............................TYP. 70dB (f=1kHz)
• High Accuracy Output Voltage ............±2.0%
• Low Temperature-Drift Coefficient of
   Output Voltage .......................................TYP. ±100ppm/˚C
• Excellent Line Regulation.....................TYP. 0.05%/V
• Pinout.......................................................Similar to the TK112
• Small Package.........................................SOT-23-5 (Mini-mold)

APPLICATIONS
• Power source for portable communication tools, cameras and VCRs.
• Power source for battery-powered equipment.
• Power source for domestic appliances.

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