Duty Cycle (Max) is 67% - PMIC - Voltage Regulators - DC DC Switching Controllers Distributor - ISL6315CRZ-T L6728AH L6728AHTR

Part Number	Manufacturer / Brand	Brife Description	Part Status	Output Type	Function	Output Configuration	Topology	Number of Outputs	Output Phases	Voltage - Supply (Vcc/Vdd)	Frequency - Switching	Duty Cycle (Max)	Synchronous Rectifier	Clock Sync	Serial Interfaces	Control Features	Operating Temperature	Package / Case	Supplier Device Package
ISL6315CRZ-T	Renesas Electronics America Inc.	IC Regulators Controller BUCK 24QFN	Obsolete	Transistor Driver	Step-Down	Positive	Buck	2	2	4.75 V ~ 5.25 V	222kHz	67%	Yes	No	-	Enable, Phase Control, Soft Start	0°C ~ 70°C (TA)	24-VFQFN Exposed Pad	24-QFN (4x4)
L6728AH	STMicroelectronics	IC Regulators Controller BUCK 10DFN	Not For New Designs	Transistor Driver	Step-Down	Positive	Buck	1	1	5 V ~ 12 V	600kHz	67%	Yes	No	-	Enable, Phase Control, Power Good	-40°C ~ 125°C (TJ)	10-VFDFN Exposed Pad	10-VFDFPN (3x3)
L6728AHTR	STMicroelectronics	IC Regulators Controller BUCK 10-VFQFPN	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	5 V ~ 12 V	600kHz	67%	Yes	No	-	Enable, Phase Control, Power Good	-40°C ~ 125°C (TJ)	10-VFDFN Exposed Pad	10-VFDFPN (3x3)
L6728ATR	STMicroelectronics	IC Regulators Controller BUCK 10-VFQFPN	Obsolete	Transistor Driver	Step-Down	Positive	Buck	1	1	5 V ~ 12 V	600kHz	67%	Yes	No	-	Enable, Phase Control, Power Good	-40°C ~ 125°C (TJ)	10-VFDFN Exposed Pad	10-DFN (3x3)