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 : 2.2V to 5.5V
• Adjustable Output Voltage : 1.2V to 4.5V
• PSRR
• 85dB @ 1kHz (20mA)
• 80dB @ 10kHz (20mA)
• Output Current : 250mA
• Very Low Dropout : 120mV
• Very Low IQ (Enabled) : 16A
• Virtually Zero IQ (Disable) : < 1A
• Very Low IG (Enabled) : 16A
• Start-up Time : 80s
• −40°C to 125°C Operating Junction Temperature Range
• Excellent Noise Immunity
Fast Response Overload and Line Transient
• Stable with a 1F Input and Output Ceramic Capacitors
• Accurate Output Voltage 2% Overload, Line,
Process, and Temperature Variations
• Over-Current Protection
• Over-Temperature Protection
