Operating Temperature is -40°C ~ 100°C (TA) - PMIC - Voltage Regulators - DC DC Switching Controllers Distributor - ISL6228IRTZ-T LT1243IS8#PBF LT1243IS8#TRPBF

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
ISL6228IRTZ-T	Renesas Electronics America Inc.	IC Regulators Controller BUCK 28TQFN	Active	Transistor Driver	Step-Down	Positive	Buck	2	1	3.3 V ~ 25 V	200kHz ~ 600kHz	-	Yes	No	-	Enable, Frequency Control, Phase Control, Power Good	-40°C ~ 100°C (TA)	28-WFQFN Exposed Pad	28-TQFN (4x4)
LT1243IS8#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK 8SOIC	Active	Transistor Driver	Step-Down	Positive, Isolation Capable	Buck	1	1	8.2 V ~ 25 V	500kHz	96%	No	No	-	Frequency Control	-40°C ~ 100°C (TA)	8-SOIC (0.154", 3.90mm Width)	8-SOIC
LT1243IS8#TRPBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK 8SOIC	Active	Transistor Driver	Step-Down	Positive, Isolation Capable	Buck	1	1	8.2 V ~ 25 V	500kHz	96%	No	No	-	Frequency Control	-40°C ~ 100°C (TA)	8-SOIC (0.154", 3.90mm Width)	8-SOIC
LT1245IS8#TRPBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK 8SOIC	Active	Transistor Driver	Step-Down	Positive, Isolation Capable	Buck	1	1	8.2 V ~ 25 V	500kHz	48%	No	No	-	Frequency Control	-40°C ~ 100°C (TA)	8-SOIC (0.154", 3.90mm Width)	8-SOIC
MAX1980ETP+T	Maxim Integrated	IC Regulators Controller BUCK 20-TQFN	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	4.5 V ~ 5.5 V	200kHz, 300kHz, 550kHz	-	Yes	No	-	Current Limit, On Time Control	-40°C ~ 100°C (TA)	20-WQFN Exposed Pad	20-TQFN-EP (5x5)
NCP5269BMNTWG	ON Semiconductor	IC Regulators Controller BUCK 20QFN	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	3.3 V ~ 28 V	300kHz, 400kHz, 600kHz	-	Yes	No	-	Enable, Frequency Control, Power Good	-40°C ~ 100°C (TA)	20-VFQFN Exposed Pad	20-QFN (3x3)
NCP5269MNTWG	ON Semiconductor	IC Regulators Controller BUCK 20QFN	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	4.5 V ~ 5.5 V	300kHz, 400kHz, 600kHz	-	Yes	No	-	Enable, Frequency Control, Power Good	-40°C ~ 100°C (TA)	20-VFQFN Exposed Pad	20-QFN (3x3)
NCP81172MNTXG	ON Semiconductor	IC Regulators Controller BUCK PSI 24QFN	Active	Transistor Driver	Step-Down	Positive	Buck	2	2	4.5 V ~ 5.5 V	200kHz ~ 800kHz	100%	Yes	No	PSI	Enable, Frequency Control, Phase Control, Power Good	-40°C ~ 100°C (TA)	24-VFQFN Exposed Pad	24-QFN (4x4)
NCP81232MNTXG	ON Semiconductor	IC Regulators Controller BUCK 40QFN	Active	PWM Signal	Step-Down	Positive	Buck	4	4	4.5 V ~ 20 V	200kHz ~ 1.2MHz	-	No	No	-	Current Limit, Enable, Frequency Control, Power Good, Soft Start	-40°C ~ 100°C (TA)	40-VFQFN Exposed Pad	40-QFN (5x5)

Manufacturers for PMIC - Voltage Regulators - DC DC Switching Controllers