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1.2A, Ultra-Low Dropout Linear Regulator with Enable

RT2518

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The RT2518 is a high performance positive voltage regulator designed for applications requiring ultra-low input voltage and ultra-low dropout voltage at up to 1.2 amperes. It operates with an input voltage as low as 1.4V, and the output voltage is adjustable as low as 0.5V. The RT2518 features ultra low dropout, ideal for applications where output voltage is very close to input voltage. Additionally, the RT2518 has an enable pin to further reduce power dissipation while shutdown. The RT2518 provides excellent regulation over variations in line, load and temperature. The RT2518 is available in the WDFN-8L 3x3 package.

Applications

  • Telecom/Networking Cards
  • Motherboards/Peripheral Cards
  • Industrial Applications
  • Wireless Infrastructures
  • Set-Top Boxes
  • Medical Equipments
  • Notebook Computers
  • Battery Powered Systems
Key Spec.
RT2518
Status Active
Vin (min) (V) 1.4
Vin (max) (V) 6.0
Vout (min) (V) 0.5
Vout (max) (V) 5.5
Output Adj. Method Resistor
Accuracy (+/- %) 1.5
Iout (max) (mA) 1200
Iq (typ) (uA) 700
Vdropout @ rated current (typ) (mV) 120 @ 1.2A
Cout Type Ceramic
Features High PSRR;Low Dropout;OCP
Package Type WDFN3x3-8
Features
  • Input Voltage as Low as 1.4V
  • Ultra-Low Dropout Voltage 200mV @ 1.2A
  • Adjustable Output Voltage from 0.5V to 5.5V
  • Over-Current Protection
  • Over-Temperature Protection
  • 1μA Input Current in Shutdown Mode
  • Enable Control
Datasheet
TitleLast UpdateShareDownload
1.2A, Ultra-Low Dropout Linear Regulator with Enable2013/09/18
Technical Documents
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Richtek Wide Input Voltage Range DC/DC Power Solutions for Industrial, Automotive and LED lighting applications2018/11/01
Videos
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LDO Power Dissipation2015/03/18 49
Additional Documents
Title Last Update ShareDownload
Power Management Introduction and Selection Guide 2019/03/04
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