SGM2231.pdf? Input voltage range: ?2.0 V to ?5.5 V
? Maximum output current: ?300 mA
? Fixed output voltage options: ?0.5 V to
? ?4.5 V Adjustable output from ?0.5 V to ?VIN + 0.5 V
? Low output noise: 4 μV rms from 100 Hz to 100 kHz
? Noise spectral density: 20 nV/√Hz, 10 kHz to 1 MHz
? Power supply rejection ratio (PSRR) at ?300 mA load
? 75 dB typical at 10 kHz 62 dB typical at 100 kHz 40
dB typical at 1 MHz
? Low dropout voltage: ?130 mV typical at IOUT =
?300 mA Initial output voltage accuracy (VOUT): ±0.5%
at IOUT = ?10 mA Output voltage
accuracy over line, load, and
temperature: ±2.6% Operating supply
current (IGND): ?0.6 mA
typical at no load Low shutdown current:
?2 μA typical at VIN = ?5.5 V
? Stable with small 4.7 μF ceramic input and
output capacitor Positive or negative enable logic
? Current-limit and thermal overload protection
8-lead, 2 mm × 2 mm LFCSP package
? Supported by ADIsimPOWER voltage
regulator design tool
