ADP2140ACPZ1528R7 Description
The ADP2140ACPZ1528R7 is a 3 MHz, 600 mA, Low Quiescent Current Buck with a 300 mA LDO Regulator. It includes high efficiency, low quiescent 600 mA step-down dc-to-dc converter and a 300 mA LDO packaged in a small 10-lead 3 mm × 3 mm LFCSP.
ADP2140ACPZ1528R7 Features
Input voltage range: 2.3 V to 5.5 V
LDO input (VIN2) 1.65 V to 5.5 V
Buck output voltage range: 1.0 V to 3.3 V
LDO output voltage range: 0.8 V to 3.3 V
Buck output current: 600 mA
LDO output current: 300 mA
LDO quiescent current: 22 μA with zero load
Buck quiescent current: 20 μA in PSM mode
Low shutdown current: <0.3 μA
Low LDO dropout 110 mV @ 300 mA load
High LDO PSRR
-65 dB @ 10 kHz at VOUT2 = 1.2 V
-55 dB @ 100 kHz at VOUT2 = 1.2 V
Low noise LDO: 40 μV RMS at VOUT2 = 1.2 V
Initial accuracy: ±1%
Current limit and thermal overload protection
Power-good indicator
Optionally enable sequencing
10-lead 0.75 mm × 3 mm × 3 mm LFCSP package
ADP2140ACPZ1528R7 Applications
