Ricoh Electronic Devices Company RP122x Series LDO Regulators
Ricoh RP122x Series LDO Regulators provide low output noise, high ripple rejection, and fast performance characteristics achieved by low supply current. These LDO regulators save space by adopting 4-pin small package without noise bypass capacitor. The RP122x LDO regulators provide long duration of operation for battery-powered equipment by low supply current of 9.5µA. These LDO regulators operate at an input voltage range from 1.7V to 5.25V and at a temperature range from -40ºC to 85ºC.
Features
Low noiseHigh Power Supply Rejection Ratio (PSRR), and fast responseSaves space by adopting 4-pin small package without noise bypass capacitorLong duration of operation for battery-powered equipment with low supply current of 9.5µA
Specifications
1.7V to 5.25V input voltage range1.2V to 4.8V output voltage range9.5µA typical supply current8µVrms typical output noise90dB typical ripple rejection at 1KHz0.17V typical dropout voltageProtection Features: Thermal shutdown protection (165°C typical detection temperature)Inrush current limit at 250mA (typical) for approximately 700μs after start-upCeramic capacitor of 1µF or higher
Applications
Mobile phonesTabletsDigital camerasAudio devicesBattery-powered equipmentRF modulesClock generator components:Voltage Controlled Oscillator (VCO)Phase-Locked Loop (PLL)Noise-sensitive devices:
Analog to Digital Converter (ADC)Digital to Analog Converter (DAC)
Analog to Digital Converter (ADC)Digital to Analog Converter (DAC)
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