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RP112K181D-TR

Description
LDO Voltage Regulators Low noise LDO Regulator
Categorysemiconductor    Power management   
File Size2MB,30 Pages
ManufacturerRicoh Electronics
Environmental Compliance
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RP112K181D-TR Overview

LDO Voltage Regulators Low noise LDO Regulator

RP112K181D-TR Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerRicoh Electronics
Product CategoryLDO Voltage Regulators
RoHSDetails
Mounting StyleSMD/SMT
Package / CaseDFN1010-4
Output Voltage1.8 V
Output Current150 mA
Number of Outputs1 Output
Input Voltage MAX5.25 V
Input Voltage MIN2 V
Output TypeFixed
Minimum Operating Temperature- 40 C
Maximum Operating Temperature+ 85 C
Load Regulation0 mV
Dropout Voltage290 mV
PackagingCut Tape
PackagingMouseReel
PackagingReel
ProductLDO Regulators
TypeCMOS LDO Regulator
Output Voltage Range-
PSRR / Ripple Rejection - Typ65 dB
Voltage Regulation Accuracy1 %
Line Regulation0.02 % / V
Operating Supply Current75 uA
Pd - Power Dissipation400 mW
Factory Pack Quantity10000
RP112x Series
Low Noise 150 mA LDO Regulator
No. EA-258-180301
OUTLINE
The RP112x is a voltage regulator (LDO) with high output voltage accuracy, low-supply current, low On-
resistance transistor, low noise output voltage and high ripple rejection. Each IC is composed of the followings:
a voltage reference unit, an error amplifier, a resistor-net for output voltage setting, a current limit circuit, and
a chip enable circuit.
The RP112x features ultra-low noise and its Ripple Rejection is as low as 80 dB at f = 1 kHz, 75 dB at f = 10
kHz and 65 dB at f = 100 kHz. The Output Noise is also as low as Typ. 10
μVrms.
It is kept the low level at
any Output Voltage. RP112x is suitable for the power source for the portable music player and RF module that
demands for higher level of noise reduction. SOT-23-5 and SC-88A packages, a 1-mm square DFN(PLP)1010-
4 package are available.
FEATURES
Supply Current ...................................................... Typ. 75
µA
Standby Current .................................................... Typ. 0.1
µA
Dropout Voltage .................................................... Typ. 0.20 V (I
OUT
= 150 mA, V
OUT
= 2.8 V)
Ripple Rejection .................................................... Typ. 80 dB (f = 1 kHz)
Typ. 75 dB (f = 10 kHz)
Typ. 65 dB (f = 100 kHz)
Output Voltage Accuracy....................................... ±1.0%
Output Voltage Temperature Coefficient ............... Typ. ±30 ppm/°C
Line Regulation ..................................................... Typ. 0.02%/V
Packages .............................................................. DFN(PLP)1010-4, SC-88A, SOT-23-5
Input Voltage Range ............................................. 2.0 V to 5.25 V
Output Voltage Range ........................................... 1.2 V to 4.8 V (0.1 V step)
Short Current Limit ................................................ Typ. 40 mA
Built-in Foldback Protection Circuit
Output Noise ......................................................... Typ. 10
μVrms
Ceramic capacitors are recommended to be used with this IC ..... 1.0
µF
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 equipments.
Power source for electrical home appliances.
Power source for the portable music player
Power source for RF module
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