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 Ceramic Capacitors
• -40℃ to +125℃ Operating Temperature Range
• Available in Green XTDFN-1×1-4L
and WLCSP-0.64×0.64-4B-A Packages
• Input Voltage Range: 1.4 V to 5.5 V
• Stable Operation With 1-μF Ceramic
Output Capacitor
• Foldback Overcurrent Protection
• Packages: – SOT-23 (5) – X2SON (4)
• Very Low Dropout: 125 mV at 300 mA
(3.3 VOUT)
• Accuracy: 1% (Typical), 1.4% (Maximum)
• Low IQ: 34 μA
• Available in Fixed-Output Voltages:
1 V to 3.3 V
• High PSRR: 50 dB at 1 kHz
• Active Output Discharge
