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RT9161-33CX Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
RT9161-33CXRICHTEK630Yes

RT9161-33CX is a low dropout (LDO) voltage regulator manufactured by Richtek.

The RT9161-33CX is a low dropout (LDO) voltage regulator manufactured by Richtek.

Specifications:

  • Output Voltage: 3.3V (Fixed)
  • Output Current: 300mA
  • Dropout Voltage: 300mV @ 300mA
  • Input Voltage Range: 2.5V to 6.0V
  • Low Quiescent Current: 60μA (Typical)
  • High PSRR: 70dB @ 1kHz
  • Low Output Noise: 30μVRMS (10Hz to 100kHz)
  • Stable with Low-ESR Ceramic Capacitors (≥1μF)
  • Package: SOT-23-5

Descriptions:

The RT9161-33CX is a CMOS-based LDO regulator designed for applications requiring a stable 3.3V supply with low noise and high PSRR. It features low dropout voltage and ultra-low quiescent current, making it suitable for battery-powered devices.

Features:

  • Fixed 3.3V output voltage
  • Low dropout voltage
  • Low quiescent current
  • High power supply ripple rejection (PSRR)
  • Stable with ceramic capacitors
  • Short-circuit and thermal protection
  • Fast transient response

This regulator is commonly used in portable electronics, wireless devices, and other applications requiring a stable voltage supply.

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