600mA, Ultra-Fast Transient Response LDO Regulator


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The RT9001 series are CMOS low dropout regulators optimized for ultra-fast transient response. The devices are capable of supplying 600mA of output current with a dropout voltage of 580mV respectively.
The RT9001 series are is optimized for CD/DVD-ROM, CD/RW or wireless communication supply applications. The RT9001 regulators are stable with output capacitors as low as 1μF. The other features include ultra low dropout voltage, high output accuracy, current limiting protection, and high ripple rejection ratio.
The devices are available in fixed output voltages range of 1.2V to 4.5V with 0.1V per step. The RT9001 regulators are available in 3-lead SOT-223 package.


  • Wireless LAN Card/Keyboard/Mouse
  • Battery-Powered Equipment
  • XDSL Router
  • PCMCIA Card
Key Spec.
Status Active
Vin (min) (V) 2.8
Vin (max) (V) 5.5
Vout (min) (V) 1.2
Vout (max) (V) 4.5
Output Adj. Method Fixed
Accuracy (+/- %) 3
Iout (max) (mA) 600
Iq (typ) (uA) 220
Vdropout @ rated current (typ) (mV) 580 @ 0.6A
Cout Type Ceramic
Features OCP;Stable with Ceramic Capacitor
Package Type SOT-223
  • Low Quiescent Current (Typically 220μA)
  • Guaranteed 600mA Output Current
  • Low Dropout Voltage : 580mV at 600mA
  • Wide Operating Voltage Ranges : 3V to 5.5V
  • Ultra-Fast Transient Response
  • Tight Load and Line Regulation
  • Current Limiting Protection
  • Thermal Shutdown Protection
  • Only low-ESR Ceramic Capacitor Required for Stability
  • Custom Voltage Available
  • RoHS Compliant and 100% Lead (Pb)-Free
TitleLast UpdateShareDownload
600mA, Ultra-Fast Transient Response LDO Regulator2007/01/08
Title Last Update ShareDownload
600mA, Ultra-Fast Transient Response LDO Regulator 2015/05/19