Low Dropout Linear Regulator Controller with Soft-Start


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The RT9008 is a wide input range, low dropout voltage regulator controller with soft-start function. The part drives an external N-MOSFET and can operate with VCC power range from 4.5V to 13.5V. With this flexible topology and wide input voltage range, the RT9008 is suitable for various applications. The soft-start function can reduce the input inrush current by adjusting the external capacitor. The RT9008 uses the small footprint package of the SOT-23-6.


Key Spec.
Status Active
Vin (min) (V) 4.5
Vin (max) (V) 13.5
Vout (min) (V) 0.8
Vout (max) (V) 12
Output Adj. Method Resistor
Accuracy (+/- %) 2
Iout (max) (mA) 10000
Iq (typ) (uA) 300
Cout Type Electrolytic
Package Type SOT-26
  • Programmable Output Voltage
  • High Current Driver for High Current FET
  • Adjustable Soft Start Time
  • High Accuracy ±2% Reference Voltage
  • Quick Line and Load Transient Response
  • Enable Control
  • Small Footprint Package SOT-23-6
  • RoHS Compliant and 100% Lead (Pb)-Free
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Low Dropout Linear Regulator Controller with Soft-Start2007/10/02
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Low Dropout Linear Regulator Controller with Soft-Start 2015/05/19
Technical Documents
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Richtek Selection Guide [Oct., 2020]2020/12/30
Additional Documents
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Power Management Introduction and Selection Guide 2020/12/07
Part NumberPackage TypePackage Qty.Free SampleBuy From Authorized Distributor
RT9008GESOT-263000 Not available Buy from Distributor