Supplier Device Package is 8-VSSOP - PMIC - Voltage Regulators - DC DC Switching Controllers Distributor - LM1771SMM/NOPB LM1771TMM/NOPB LM1771UMM/NOPB

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
LM1771SMM/NOPB	Texas Instruments	IC Regulators Controller BUCK 8VSSOP	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	2.8 V ~ 5.5 V	100kHz ~ 1MHz	-	Yes	No	-	Enable	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM1771TMM/NOPB	Texas Instruments	IC Regulators Controller BUCK 8VSSOP	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	2.8 V ~ 5.5 V	100kHz ~ 1MHz	-	Yes	No	-	Enable	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM1771UMM/NOPB	Texas Instruments	IC Regulators Controller BUCK 8VSSOP	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	2.8 V ~ 5.5 V	100kHz ~ 1MHz	-	Yes	No	-	Enable	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM25085AMME/NOPB	Texas Instruments	IC Regulators Controller BUCK 8VSSOP	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	4.5 V ~ 42 V	Up to 1MHz	100%	No	No	-	Current Limit, Frequency Control	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM25085AMMX/NOPB	Texas Instruments	IC Regulators Controller BUCK 8VSSOP	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	4.5 V ~ 42 V	Up to 1MHz	100%	No	No	-	Current Limit, Frequency Control	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM25085MMX/NOPB	Texas Instruments	IC Regulators Controller BUCK 8VSSOP	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	4.5 V ~ 42 V	Up to 1MHz	100%	No	No	-	Current Limit, Frequency Control	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM3477AMM	Texas Instruments	IC Regulators Controller BUCK/BCK-BST 8VSSOP	Obsolete	Transistor Driver	Step-Down	Positive	Buck, Buck-Boost	1	1	2.97 V ~ 35 V	500kHz	93%	No	No	-	Enable	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM3477AMM/NOPB	Texas Instruments	IC Regulators Controller BUCK/BCK-BST 8VSSOP	Active	Transistor Driver	Step-Down	Positive	Buck, Buck-Boost	1	1	2.97 V ~ 35 V	500kHz	93%	No	No	-	Enable	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM3477AMMX	Texas Instruments	IC Regulators Controller BUCK/BCK-BST 8VSSOP	Active	Transistor Driver	Step-Down	Positive	Buck, Buck-Boost	1	1	2.97 V ~ 35 V	500kHz	93%	No	No	-	Enable	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM3477AMMX/NOPB	Texas Instruments	IC Regulators Controller BUCK/BCK-BST 8VSSOP	Active	Transistor Driver	Step-Down	Positive	Buck, Buck-Boost	1	1	2.97 V ~ 35 V	500kHz	93%	No	No	-	Enable	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM3477MM	Texas Instruments	IC Regulators Controller BUCK/BCK-BST 8VSSOP	Obsolete	Transistor Driver	Step-Down	Positive	Buck, Buck-Boost	1	1	2.97 V ~ 35 V	500kHz	93%	No	No	-	Enable	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM3477MM/NOPB	Texas Instruments	IC Regulators Controller BUCK/BCK-BST 8VSSOP	Active	Transistor Driver	Step-Down	Positive	Buck, Buck-Boost	1	1	2.97 V ~ 35 V	500kHz	93%	No	No	-	Enable	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM3477MMX	Texas Instruments	IC Regulators Controller BUCK/BCK-BST 8VSSOP	Not For New Designs	Transistor Driver	Step-Down	Positive	Buck, Buck-Boost	1	1	2.97 V ~ 35 V	500kHz	93%	No	No	-	Enable	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM3477MMX/NOPB	Texas Instruments	IC Regulators Controller BUCK/BCK-BST 8VSSOP	Active	Transistor Driver	Step-Down	Positive	Buck, Buck-Boost	1	1	2.97 V ~ 35 V	500kHz	93%	No	No	-	Enable	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM3478MM	Texas Instruments	IC Regulators Controller MULT TOP 8VSSOP	Not For New Designs	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive	Boost, Flyback, SEPIC	1	1	2.97 V ~ 40 V	100kHz ~ 1MHz	100%	No	No	-	Enable, Frequency Control	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM3478MM/NOPB	Texas Instruments	IC Regulators Controller MULT TOP 8VSSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive	Boost, Flyback, SEPIC	1	1	2.97 V ~ 40 V	100kHz ~ 1MHz	100%	No	No	-	Enable, Frequency Control	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM3478MMX/NOPB	Texas Instruments	IC Regulators Controller MULT TOP 8VSSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive	Boost, Flyback, SEPIC	1	1	2.97 V ~ 40 V	100kHz ~ 1MHz	100%	No	No	-	Enable, Frequency Control	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM3478QMM/NOPB	Texas Instruments	IC Regulators Controller MULT TOP 8VSSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive	Boost, Flyback, SEPIC	1	1	2.97 V ~ 40 V	100kHz ~ 1MHz	100%	No	No	-	Enable, Frequency Control	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM3478QMMX/NOPB	Texas Instruments	IC Regulators Controller MULT TOP 8VSSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive	Boost, Flyback, SEPIC	1	1	2.97 V ~ 40 V	100kHz ~ 1MHz	100%	No	No	-	Enable, Frequency Control	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM3485MM	Texas Instruments	IC Regulators Controller BUCK 8VSSOP	Not For New Designs	Transistor Driver	Step-Down	Positive	Buck	1	1	4.5 V ~ 35 V	-	100%	No	No	-	-	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM3485MM/NOPB	Texas Instruments	IC Regulators Controller BUCK 8VSSOP	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	4.5 V ~ 35 V	-	100%	No	No	-	-	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM3485MMX	Texas Instruments	IC Regulators Controller BUCK 8VSSOP	Obsolete	Transistor Driver	Step-Down	Positive	Buck	1	1	4.5 V ~ 35 V	-	100%	No	No	-	-	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM3485MMX/NOPB	Texas Instruments	IC Regulators Controller BUCK 8VSSOP	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	4.5 V ~ 35 V	-	100%	No	No	-	-	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM3488MM	Texas Instruments	IC Regulators Controller MULT TOP 8VSSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive	Boost, Flyback, SEPIC	1	1	2.97 V ~ 40 V	100kHz ~ 1MHz	100%	No	Yes	-	Enable, Frequency Control	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM3488MM/NOPB	Texas Instruments	IC Regulators Controller MULT TOP 8VSSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive	Boost, Flyback, SEPIC	1	1	2.97 V ~ 40 V	100kHz ~ 1MHz	100%	No	Yes	-	Enable, Frequency Control	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM3488MMX	Texas Instruments	IC Regulators Controller MULT TOP 8VSSOP	Obsolete	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive	Boost, Flyback, SEPIC	1	1	2.97 V ~ 40 V	100kHz ~ 1MHz	100%	No	Yes	-	Enable, Frequency Control	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM3488MMX/NOPB	Texas Instruments	IC Regulators Controller MULT TOP 8VSSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive	Boost, Flyback, SEPIC	1	1	2.97 V ~ 40 V	100kHz ~ 1MHz	100%	No	Yes	-	Enable, Frequency Control	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM3489MM	Texas Instruments	IC Regulators Controller BUCK 8VSSOP	Not For New Designs	Transistor Driver	Step-Down	Positive	Buck	1	1	4.5 V ~ 35 V	Up to 1MHz	100%	No	No	-	Current Limit, Enable	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM3489MM/NOPB	Texas Instruments	IC Regulators Controller BUCK 8VSSOP	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	4.5 V ~ 35 V	Up to 1MHz	100%	No	No	-	Current Limit, Enable	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM3489MMX	Texas Instruments	IC Regulators Controller BUCK 8VSSOP	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	4.5 V ~ 35 V	Up to 1MHz	100%	No	No	-	Current Limit, Enable	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM3489MMX/NOPB	Texas Instruments	IC Regulators Controller BUCK 8VSSOP	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	4.5 V ~ 35 V	Up to 1MHz	100%	No	No	-	Current Limit, Enable	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM3489QMM/NOPB	Texas Instruments	IC Regulators Controller BUCK 8MSOP	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	4.5 V ~ 35 V	Up to 1MHz	100%	No	No	-	Current Limit, Enable	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
LM5085MM/NOPB	Texas Instruments	IC Regulators Controller BUCK 8VSSOP	Active	Transistor Driver	Step-Down	Positive	Buck	1	1	4.5 V ~ 75 V	Up to 1MHz	100%	No	No	-	Current Limit, Enable, On Time Control	-40°C ~ 125°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
UCC25705DGKG4	Texas Instruments	IC Regulators Controller MULT TOP 8VSSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive, Isolation Capable	Boost, Flyback, Forward Converter	1	1	8.2 V ~ 15 V	1MHz	93%	No	No	-	Current Limit	-40°C ~ 85°C (TA)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
UCC25705DGKTR	Texas Instruments	IC Regulators Controller MULT TOP 8VSSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive, Isolation Capable	Boost, Flyback, Forward Converter	1	1	8.2 V ~ 15 V	1MHz	93%	No	No	-	Current Limit	-40°C ~ 85°C (TA)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
UCC25705DGKTRG4	Texas Instruments	IC Regulators Controller MULT TOP 8VSSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive, Isolation Capable	Boost, Flyback, Forward Converter	1	1	8.2 V ~ 15 V	1MHz	93%	No	No	-	Current Limit	-40°C ~ 85°C (TA)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
UCC28C40DGKG4	Texas Instruments	IC Regulators Controller MULT TOP 8VSSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive	Boost, Flyback, Forward Converter	1	1	6.6 V ~ 18 V	-	96%	No	No	-	Frequency Control	-40°C ~ 105°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
UCC28C40DGKR	Texas Instruments	IC Regulators Controller MULT TOP 8VSSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive	Boost, Flyback, Forward Converter	1	1	6.6 V ~ 18 V	-	96%	No	No	-	Frequency Control	-40°C ~ 105°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
UCC28C40DGKRG4	Texas Instruments	IC Regulators Controller MULT TOP 8VSSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive	Boost, Flyback, Forward Converter	1	1	6.6 V ~ 18 V	-	96%	No	No	-	Frequency Control	-40°C ~ 105°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
UCC28C43DGK	Texas Instruments	IC Regulators Controller MULT TOP 8VSSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive	Boost, Flyback, Forward Converter	1	1	7.6 V ~ 18 V	-	96%	No	No	-	Frequency Control	-40°C ~ 105°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
UCC28C43DGKR	Texas Instruments	IC Regulators Controller MULT TOP 8VSSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive	Boost, Flyback, Forward Converter	1	1	7.6 V ~ 18 V	-	96%	No	No	-	Frequency Control	-40°C ~ 105°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
UCC28C45DGKR	Texas Instruments	IC Regulators Controller MULT TOP 8VSSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive	Boost, Flyback, Forward Converter	1	1	7.6 V ~ 18 V	-	49%	No	No	-	Frequency Control	-40°C ~ 105°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
UCC28C45DGKRG4	Texas Instruments	IC Regulators Controller MULT TOP 8VSSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive	Boost, Flyback, Forward Converter	1	1	7.6 V ~ 18 V	-	49%	No	No	-	Frequency Control	-40°C ~ 105°C (TJ)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
UCC35705DGK	Texas Instruments	IC Regulators Controller MULT TOP 8VSSOP	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive, Isolation Capable	Boost, Flyback, Forward Converter	1	1	8.2 V ~ 15 V	1MHz	93%	No	No	-	Current Limit	0°C ~ 70°C (TA)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
UCC38C43DGKR	Texas Instruments	IC Regulators Controller MULT TOP 8VSSOP	Active	Transistor Driver	Step-Up, Step-Down, Step-Up/Step-Down	Positive	Buck, Boost, Flyback, Forward Converter	1	1	7.6 V ~ 18 V	-	96%	No	No	-	Frequency Control	0°C ~ 70°C (TA)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP
UCC38C43DGKRG4	Texas Instruments	IC Regulators Controller MULT TOP 8VSSOP	Active	Transistor Driver	Step-Up, Step-Down, Step-Up/Step-Down	Positive	Buck, Boost, Flyback, Forward Converter	1	1	7.6 V ~ 18 V	-	96%	No	No	-	Frequency Control	0°C ~ 70°C (TA)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP

Manufacturers for PMIC - Voltage Regulators - DC DC Switching Controllers