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Dual 3 MHz, 600 mA Buck Regulator with 150 mA LDO
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Dual 3 MHz, 600 mA Buck
Regulator with 150 mA LDO
ADP5022
FEATURES GENERAL DESCRIPTION Input voltage range: 2.4 V to 5.5 V
Tiny 16-ball, 2 mm × 2 mm WLCSP package
Overcurrent and thermal protection
Soft start
Factory programmable undervoltage lockout on VDDA
system supply of either 2.2 V or 3.9 V
Factory programmable default output voltages for all
3 channels
Buck1 and Buck2 key specifications
Current mode architecture for excellent transient response
3 MHz operating frequency
Uses tiny multilayer inductors and capacitors
Forced PWM and auto PWM/PSM modes
Out-of-phase operation for reduced input filtering
100% duty cycle low dropout mode
24 μA typical quiescent current per channel, no switching
LDO key specifications
Stable with 1 μF ceramic output capacitors
High PSRR
60 dB up to 10 KHz …