SGM2045-1.80XG.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
• Ultralow IQ: 1 µA (typ), 3 µA (max)
IGND: 6 µA (typ) at 200 mA
• Packages:
1.0-mm × 1.0-mm X2SON (4)
0.65-mm × 0.65-mm DSBGA (4)
SOT-23 (5)
SOT-23 (3)
• Input voltage range: 1.4 V to 5.5 V
• Output accuracy: 1% typical, 3% maximum
• Available in fixed-output voltage:
0.8 V to 3.3 V
• Very low dropout:
235 mV (max) at 200 mA (3.3 VOUT)
• Active output discharge
• Foldback current limit
• Stable with a 0.47-µF or larger capacitor
