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RT9018A-25GSP, RT9018APQW, RT9018B

Table of contents:
Info of RT9018A-25GSP
Info of RT9018APQW
Info of RT9018B

RT9018A-25GSP, RT9018APQW, RT9018B Selling Leads, Datasheet

MFG:RICHTEK Package Cooled:SOP-8 D/C:09+

RT9018A-25GSP, RT9018APQW, RT9018B Picture

RT9018A-25GSP, RT9018APQW, RT9018B Datasheet download

Five Points

Part Number: RT9018A-25GSP

MFG: RICHTEK

Package Cooled: SOP-8

D/C: 09+

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RT9018B General Description

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 1.0V 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.

RT9018B Maximum Ratings

􀁺` Supply Voltage, V_IN ------------------------------------------------------------ 1V to 6V
􀁺` Control Voltage, V_DD----------------------------------------------------------- 3V to 6V
􀁺` Output Voltage, V_OUT --------------------------------------------------------- 0.8 to 6V
􀁺` Power Dissipation, P_D @ T_A = 25°C
SOP-8 (Exposed Pad) ------------------------------------------------------------------- 1.33W
WDFN-10L 3x3 --------------------------------------------------------------------------- 1.67W
􀁺` Package Thermal Resistance (Note 4)
SOP-8 (Exposed Pad), _JA ------------------- ------------------------------------- 75°C/W
SOP-8 (Exposed Pad), _JC----------------------------------------------------------- 15°C/W
WDFN-10L 3x3, _JA -------------------------------------------------------------------- 60°C/W
􀁺` Junction Temperature ------------------------------------------------------------- 150°C
􀁺` Lead Temperature (Soldering, 10 sec.) ---------------------------------------- 260°C
􀁺` Storage Temperature Range ---------------------------------------- −65°C to 150°C
􀁺` ESD Susceptibility (Note 2)
HBM (Human Body Mode) -------------------------------------------------------------------- 2kV
MM (Machine Mode) ------------------------------------------------------------------------- 200V

RT9018B Features

􀁺· Maximum 3A Low-Dropout Voltage Regulator
􀁺· High Accuracy Output Voltage ±1.5%
􀁺· Typically 220mV 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

RT9018B Typical Application

􀁺· Front Side Bus VTT (1.2V/3A)
􀁺· NoteBook PC Applications
􀁺· Motherboard Applications

RT9018B Connection Diagram

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