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
• Ultralow quiescent current
IQ = 560 nA with 0 µA load
IQ = 860 nA with 1 µA load
• Stable with 1 µF ceramic input and output capacitors
• Maximum output current: 150 mA
• Input voltage range: 2.2 V to 5.5 V
Low shutdown current: <50 nA typical
Low dropout voltage: 195 mV at 150 mA load
• Initial accuracy: ±1%
• Accuracy over line, load, and temperature: ±3.5%
• 15 fixed output voltage options: 1.2 V to 4.2 V
• Adjustable output available
• PSRR performance of 72 dB at 100 Hz
• Current limit and thermal overload protection
• Logic-control enable
• Integrated output discharge resistor
• 5-lead TSOT package
• 4-ball, 0.5 mm pitch WLCSP
