300mA, Low VIN, Ultra-Low Noise and High PSRR Linear Regulator, SGM2045 Replace LP5907.
SGM2045 SGM2045.pdf
FEATURES
• 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
PIN CONFIGUTION
CROSS
FEATURES
• No Noise Bypass Capacitor Required
• Remote Output Capacitor Placement
• Input voltage range 2.2V to 5.5V
• Output voltage range 1.2V to 4.5V
• Output current 250 mA
• PSRR 82 dB at 1kHz
• Output voltage tolerance ± 2%
• Virtually zero IQ (disabled) <1μA
• Very low IQ (enabled) 12 μA
• Startup time 80 μs
• Low dropout 120 mV typ.
PIN CONFIGUTION