SGM2045.pdf• Operating Input Voltage Range: 1.1V to 5.5V
• Fixed Output Voltage Option: 0.6V to 4.2V
• Ultra-Low Noise: 9.5μVRMS (TYP)
• Ultra-Low Quiescent Current: 15μA (TYP)
• Standby Current: 0.03μA (TYP)
• High PSRR: 92dB (TYP) at 1kHz
• Low Dropout Voltage:
100mV (TYP) at 300mA when
VOUT = 1.8V(XTDFN-1×1-4L)
80mV (TYP) at 300mA when
VOUT = 1.8V(WLCSP-0.64×0.64-4B-A)
• Output Short-Circuit Protection
• Thermal Shutdown Protection
• Fast Load Transient Response
• Stable with 1μF Small Case
Size CeramicCapacitors
• -40℃ to +125℃ Operating
Temperature Range
• Available in Green XTDFN-1×1-4L
andWLCSP-0.64×0.64-4B-A Packages
• Operating Input Voltage Range: 1.7 V to 5.5 V
• Available in Fixed Voltage Options: 0.8 V to 3.6 V
Contact Factory for Other Voltage Options
• Very Low Quiescent Current of Typ. 50µA
• Soft Start Feature with Two VOUT Slew Rate Speed
• Standby Current Consumption: Typ. 0.1µA
• Low Dropout: 250 mV Typical at 300 mA @ 2.8 V
• ±1% Accuracy at Room Temperature
• High Power Supply Ripple Rejection: 70 dB at 1 kHz
• Thermal Shutdown and Current Limit Protections
• Available in XDFN4 and TSOP−5 Packages
• Stable with a 1µF Ceramic Output Capacitor
• These are Pb−Free Devices
