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 Home > Products > Switching Regulators > Linear Regulator(LDO) > Single Output LDO > RT9018A/RT9018B

Maximum 3A, Ultra Low Dropout Regulator


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Maximum 3A Low-Dropout Voltage Regulator
High Accuracy Output Voltage ±1.5%
Typically 210mV Dropout at 3A
Power Good Output
Output Voltage Pull Low Resistance when Disable
Thermal and Over Current Protection
RoHS Compliant and 100% Lead (Pb)-Free

The RT9018A/B is a high performance positive voltage regulator designed for use in applications requiring very low Input voltage and very low dropout voltage at up to 3A(Peak). It operates with a VIN as low as 1.4V and VDD voltage 3V with output voltage programmable as low as 0.8V. The significant feature includes ultra low dropout, ideal for applications where VOUT is very close to VIN. Additionally, there is an enable pin to further reduce power dissipation while shutdown. The RT9018A/B provides excellent regulation over variations in line, load and temperature. and provides a power OK signal to indicate if the voltage level of Vo reaches 90% of its rating value.
The RT9018A/B is available in the SOP-8 (Exposed Pad) and WDFN-10L 3x3 packages with 1V, 1.05V, 1.2V, 1.5V, 1.8V and 2.5V internally preset outputs that are also adjustable using external resistors.

Front Side Bus VTT (1.2V/3A)
NoteBook PC Applications
Motherboard Applications
Title Description Size Last Updated
Datasheets for RT9018A/RT9018B 192 KB 2015 May
Title Description Size Last Updated
Reliability Report for RT9018A/RT9018B 30 KB 2012 Feb
Part Number Free Samples Buy from authorized distributor Package Type
RT9018A-12GQW Not available WDFN3*3-10
RT9018A-12GSP PSOP-8
RT9018A-15GSP PSOP-8
RT9018A-18GSP Not available PSOP-8
RT9018A-25GSP PSOP-8
RT9018B-18GQW Not available WDFN3*3-10
RT9018B-18GSP PSOP-8
RT9018B-1KGSP Not available PSOP-8