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 CeramicCapacitors
• -40℃ to +125℃ Operating Temperature Range
• Available in Green XTDFN-1×1-4L
andWLCSP-0.64×0.64-4B-A Packages
• Ultra small package WCSP4F (0.645 mm x
0.645 mm; t 0.33 mm (max)).
• Low quiescent bias current ( IB = 0.34 μA (typ.) at
IOUT = 0 mA, output voltage up to 1.5 V)
• High Ripple rejection ratio
70dB at 0.8 V-output
• Fast Load transient response ±
60 mV at 0.8 V-output, IOUT = 1 mA ⇔50 mA
• Low Drop-Out voltage
VIN-VOUT = 155 mV (typ.) at 3.3 V-output,
IOUT = 300 mA
• Wide range output voltage line up
( VOUT = 0.8 to 5.0 V )
• High VOUT accuracy ±1.0% ( 1.8V ≤ VOUT )
• Auto-discharge (TCR3UGxxA series)/
Non-discharge (TCR3UGxxB series) line up
• Overcurrent protection
• Thermal Shutdown function
• Inrush current protection circuit
• Pull down connection between
CONTROL and GND
• Ceramic capacitors can be used
(CIN = 1 μF, COUT =1 μF)
