• Operating Input Voltage Range: 1.8V to 5.5V

• Output Voltage Range: 0.8V to 4.2V

• Fixed or Adjustable Output Voltage Applications

• Quiescent Current: 55μA (TYP)

• Low Dropout: 103mV (TYP) at 1A, VOUT = 3.3V

• Stable with Small 1μF Ceramic Capacitors

• Over-Current Protection

• Built-in Soft-Start Circuit to Suppress InrushCurrent

• Thermal Shutdown Protection

• SGM2039A: with Output Automatic Discharge

• SGM2039B: without Output Automatic Discharge

• -40℃ to +125℃ Operating Temperature Range

• Available in a Green XTDFN-1.6×1.2-8L Package

The SGM2039 is a CMOS low dropout linear regulator featuring 1A output current. The input voltage is as low as 1.8V and the output voltage can be set from 0.8V. The SGM2039 is available in a Green XTDFN-1.6×1.2-8L package. It operates over an operating temperature range of -40℃ to +125℃.