The RT9361A/B is a high performance charge pump DC/DC converter that produces a regulated 4.5V and 5V output. No external inductor is required for operation. The operating voltage range is 2.8V to VOUT. Internal soft-start circuitry effectively reduces the in-rush current both while start-up and mode change.
The RT9361A/B features very low quiescent current, over current protection and short circuit protection.
The RT9361A/B is available in WDFN-6L 2x2, SOT-23-6 and TSOT-23-6 package.


  • Mobile phone, Smart Phone LED Backlight
  • Camera Flash White LED
  • LCD Display Supply

Key Spec.
RT9361A RT9361B
Status Active Active
Vin (min) (V) 2.8 2.8
Vin (max) (V) 5 4.5
SW Freq (typ) (kHz) 1000 1000
Iout (max)/channel (mA) 150 110
Iq (typ) (mA) 2 2
Topology Charge Pump Charge Pump
Features Enable Input;OCP;SCP;Stable with Ceramic Capacitor Enable Input;OCP;SCP;Stable with Ceramic Capacitor
Package Type SOT-26;TSOT-26;WDFN2x2-6 SOT-26;TSOT-26;WDFN2x2-6
  • Input Voltage Range : 2.8V to VOUT
  • Internal Soft Start Function
  • 5V/4.5V Fixed Output Voltage
  • Over Current Protection Function
  • Short Circuit Protection Function
  • RoHS Compliant and 100% Lead (Pb)-Free
TitleLast UpdateDownload
Tiny Package, High Performance, Regulated Charge Pump2018/09/28
Technical Documents
TitleItem TypeLast UpdateDownload
Richtek Product Selection Guide [Jan., 2024] Selection Guide2024/01/18
Part NumberPackage TypePackage Qty.Free SampleBuy From Authorized Distributor
RT9361AGESOT-263000 Request Buy from Distributor