Voltage Regulators - Switching Regulators

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LM284x/LM284x-Q1 Step-Down DC/DC Regulators

Texas Instruments LM284x/LM284x-Q1 Step-Down DC/DC Regulators feature a wide input range from 4.5V-42V and are suitable for a wide range of applications, such as power conditioning from unregulated sources. These DC/DC buck regulators feature a low RDSON (0.9Ω typical) internal switch for maximum efficiency (85% typical).

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Topology	Output Voltage	Output Current	Number of Outputs	Switching Frequency	Minimum Operating Temperature	Maximum Operating Temperature	Qualification	Series	Packaging
Switching Voltage Regulators 100 mA up-42V Input SD DC/DC Reg A 926-L A 926-L2840XMKXADJLNPB LM2840XMK-ADJL/NOPB Texas Instruments 1: €3.26 4,478In Stock	Mfr. Part No. LM2840XMK-ADJL/NOPB Mouser Part No 926-LM2840XMKADJLNPB	Texas Instruments	Switching Voltage Regulators 100 mA up-42V Input SD DC/DC Reg A 926-L A 926-L2840XMKXADJLNPB Learn More about Texas Instruments ti national lm2840	Datasheet	4,478In Stock	Cut Tape €3.26 €2.46 €2.26 €2.04 View Reel €1.69 €1.94 €1.92 €1.69 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOT-23-THIN-6	Buck	765 mV to 34 V	100 mA	1 Output	550 kHz	- 40 C	+ 125 C		LM2840	Reel, Cut Tape, MouseReel
Switching Voltage Regulators SIMPLE SWITCHER® 42V 300mA Step-Dow A 926-LM2841YQMKX/NOPB LM2841YQMK/NOPB Texas Instruments 1: €4.50 573In Stock	Mfr. Part No. LM2841YQMK/NOPB Mouser Part No 926-LM2841YQMK/NOPB	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER® 42V 300mA Step-Dow A 926-LM2841YQMKX/NOPB Learn More about Texas Instruments ti national lm2840	Datasheet	573In Stock	Cut Tape €4.50 €3.42 €3.16 €2.86 Reel €2.60 View €2.72 €2.63 €2.57 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOT-23-THIN-6	Buck	765 mV to 34 V	300 mA	1 Output	1.25 MHz	- 40 C	+ 125 C	AEC-Q100	LM2841	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 600 mA up-42V Input SD DC/DC Reg A 926-L A 926-LM2842XQMKX/NOPB LM2842XQMK/NOPB Texas Instruments 1: €4.02 1,157In Stock	Mfr. Part No. LM2842XQMK/NOPB Mouser Part No 926-LM2842XQMK/NOPB	Texas Instruments	Switching Voltage Regulators 600 mA up-42V Input SD DC/DC Reg A 926-L A 926-LM2842XQMKX/NOPB Learn More about Texas Instruments ti national lm2840	Datasheet	1,157In Stock	Cut Tape €4.02 €3.05 €2.81 €2.55 €2.43 Reel €2.16 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOT-23-THIN-6	Buck	765 mV to 34 V	600 mA	1 Output	550 kHz	- 40 C	+ 125 C	AEC-Q100	LM2842	Reel, Cut Tape, MouseReel
Switching Voltage Regulators SIMPLE SWITCHER® 42V 300mA Step-Dow A 926-LM2841YQMK/NOPB LM2841YQMKX/NOPB Texas Instruments 1: €4.00 860In Stock	Mfr. Part No. LM2841YQMKX/NOPB Mouser Part No 926-LM2841YQMKX/NOPB	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER® 42V 300mA Step-Dow A 926-LM2841YQMK/NOPB Learn More about Texas Instruments ti national lm2840	Datasheet	860In Stock	Cut Tape €4.00 €3.04 €2.80 €2.54 View Reel €2.18 €2.41 €2.26 €2.18 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-THIN-6	Buck	765 mV to 34 V	300 mA	1 Output	1.25 MHz	- 40 C	+ 125 C	AEC-Q100	LM2841	Reel, Cut Tape, MouseReel
Switching Voltage Regulators SIMPLE SWITCHER® 42V 100mA Step-Dow A 926-LM2840YQMK/NOPB LM2840YQMKX/NOPB Texas Instruments 1: €3.04 3,000In Stock	Mfr. Part No. LM2840YQMKX/NOPB Mouser Part No 926-LM2840YQMKX/NOPB	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER® 42V 100mA Step-Dow A 926-LM2840YQMK/NOPB Learn More about Texas Instruments ti national lm2840	Datasheet	3,000In Stock	Cut Tape €3.04 €2.58 Reel €1.70 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-THIN-6	Buck	765 mV to 34 V	100 mA	1 Output	1.25 MHz	- 40 C	+ 125 C	AEC-Q100	LM2840	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 300MA-42V INPUT STEP DOWN DC/DC REG A 92 A 926-L2841YMKXADJLNPB LM2841YMK-ADJL/NOPB Texas Instruments 1: €4.06 10,586In Stock	Mfr. Part No. LM2841YMK-ADJL/NOPB Mouser Part No 926-M2841YMKADJLNOPB	Texas Instruments	Switching Voltage Regulators 300MA-42V INPUT STEP DOWN DC/DC REG A 92 A 926-L2841YMKXADJLNPB Learn More about Texas Instruments ti national lm2840	Datasheet	10,586In Stock	Cut Tape €4.06 €3.09 €2.85 €2.58 Reel €2.30 View €2.45 €2.44 €2.22 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOT-23-THIN-6	Buck	765 mV to 34 V	300 mA	1 Output	1.25 MHz	- 40 C	+ 125 C		LM2841	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 4.5V to 42V 300mA S IMPLE SWITCHER buck A 926-M2841XMKADJLNOPB LM2841XMKX-ADJL/NOPB Texas Instruments 1: €3.47 2,187In Stock	Mfr. Part No. LM2841XMKX-ADJL/NOPB Mouser Part No 926-L2841XMKXADJLNPB	Texas Instruments	Switching Voltage Regulators 4.5V to 42V 300mA S IMPLE SWITCHER buck A 926-M2841XMKADJLNOPB Learn More about Texas Instruments ti national lm2840	Datasheet	2,187In Stock	Cut Tape €3.47 €2.61 €2.40 €2.21 Reel €1.87 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-THIN-6	Buck	765 mV to 34 V	300 mA	1 Output	550 kHz	- 40 C	+ 125 C		LM2841	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 4.5V to 42V 300mA S IMPLE SWITCHER buck A 926-M2841YMKADJLNOPB LM2841YMKX-ADJL/NOPB Texas Instruments 1: €3.45 2,685In Stock	Mfr. Part No. LM2841YMKX-ADJL/NOPB Mouser Part No 926-L2841YMKXADJLNPB	Texas Instruments	Switching Voltage Regulators 4.5V to 42V 300mA S IMPLE SWITCHER buck A 926-M2841YMKADJLNOPB Learn More about Texas Instruments ti national lm2840	Datasheet	2,685In Stock	Cut Tape €3.45 €2.61 €2.40 €2.17 View Reel €1.78 €2.06 €2.05 €1.78 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-THIN-6	Buck	765 mV to 34 V	300 mA	1 Output	1.25 MHz	- 40 C	+ 125 C		LM2841	Reel, Cut Tape, MouseReel
Switching Voltage Regulators SIMPLE SWITCHER® 42V 100mA Step-Dow LM2840YMK-ADJL/NOPB Texas Instruments 1: €2.77 2,325In Stock	Mfr. Part No. LM2840YMK-ADJL/NOPB Mouser Part No 926-LM2840YMKADJLNPB	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER® 42V 100mA Step-Dow Learn More about Texas Instruments ti national lm2840	Datasheet	2,325In Stock	Cut Tape €2.77 €2.08 €1.91 €1.71 Reel €1.51 View €1.63 €1.60 €1.46 €1.44 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOT-23-THIN-6	Buck	765 mV to 34 V	100 mA	1 Output	1.25 MHz	- 40 C	+ 125 C		LM2840	Reel, Cut Tape, MouseReel
Switching Voltage Regulators SIMPLE SWITCHER® 42V 300mA Step-Dow LM2841XQMK/NOPB Texas Instruments 1: €4.00 2,966In Stock	Mfr. Part No. LM2841XQMK/NOPB Mouser Part No 926-LM2841XQMK/NOPB	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER® 42V 300mA Step-Dow Learn More about Texas Instruments ti national lm2840	Datasheet	2,966In Stock	Cut Tape €4.00 €3.04 €2.80 €2.54 Reel €2.25 View €2.41 €2.24 €2.18 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOT-23-THIN-6	Buck	765 mV to 34 V	300 mA	1 Output	550 kHz	- 40 C	+ 125 C	AEC-Q100	LM2841	Reel, Cut Tape, MouseReel
Switching Voltage Regulators SIMPLE SWITCHER® 4.5V to 42V 0.6A S A 926-LM2842XQMK/NOPB LM2842XQMKX/NOPB Texas Instruments 1: €3.49 925In Stock 6,000Expected 29/04/2027	Mfr. Part No. LM2842XQMKX/NOPB Mouser Part No 926-LM2842XQMKX/NOPB	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER® 4.5V to 42V 0.6A S A 926-LM2842XQMK/NOPB Learn More about Texas Instruments ti national lm2840	Datasheet	925In Stock 6,000Expected 29/04/2027	Cut Tape €3.49 €2.64 €2.43 €2.19 View Reel €1.89 €2.08 €2.07 €2.05 €1.89 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-THIN-6	Buck	765 mV to 34 V	600 mA	1 Output	550 kHz	- 40 C	+ 125 C	AEC-Q100	LM2842	Reel, Cut Tape, MouseReel
Switching Voltage Regulators SIMPLE SWITCHER® 4.5V to 42V 0.6A S A 926-LM2842YQMKX/NOPB LM2842YQMK/NOPB Texas Instruments 1: €4.02 1,101In Stock	Mfr. Part No. LM2842YQMK/NOPB Mouser Part No 926-LM2842YQMK/NOPB	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER® 4.5V to 42V 0.6A S A 926-LM2842YQMKX/NOPB Learn More about Texas Instruments ti national lm2840	Datasheet	1,101In Stock	Cut Tape €4.02 €3.05 €2.81 €2.55 €2.43 Reel €2.06 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOT-23-THIN-6	Buck	765 mV to 34 V	600 mA	1 Output	1.25 MHz	- 40 C	+ 125 C	AEC-Q100	LM2842	Reel, Cut Tape, MouseReel
Switching Voltage Regulators SIMPLE SWITCHER® 4.5V to 42V 0.6A S A 926-LM2842YQMK/NOPB LM2842YQMKX/NOPB Texas Instruments 1: €3.52 2,543In Stock	Mfr. Part No. LM2842YQMKX/NOPB Mouser Part No 926-LM2842YQMKX/NOPB	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER® 4.5V to 42V 0.6A S A 926-LM2842YQMK/NOPB Learn More about Texas Instruments ti national lm2840	Datasheet	2,543In Stock	Cut Tape €3.52 €3.18 €3.13 €3.10 €2.92 Reel €2.08 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-THIN-6	Buck	765 mV to 34 V	600 mA	1 Output	1.25 MHz	- 40 C	+ 125 C	AEC-Q100	LM2842	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 300MA-42V INPUT STEP DOWN DC/DC REG A 92 A 926-L2841XMKXADJLNPB LM2841XMK-ADJL/NOPB Texas Instruments 1: €4.06 3,751In Stock	Mfr. Part No. LM2841XMK-ADJL/NOPB Mouser Part No 926-M2841XMKADJLNOPB	Texas Instruments	Switching Voltage Regulators 300MA-42V INPUT STEP DOWN DC/DC REG A 92 A 926-L2841XMKXADJLNPB Learn More about Texas Instruments ti national lm2840	Datasheet	3,751In Stock	Cut Tape €4.06 €3.09 €2.85 €2.58 Reel €2.30 View €2.45 €2.22 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOT-23-THIN-6	Buck	765 mV to 34 V	300 mA	1 Output	550 kHz	- 40 C	+ 125 C		LM2841	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 600MA-42V INPUT STEP DOWN DC/DC REG A 92 A 926-L2842XMKXADJLNPB LM2842XMK-ADJL/NOPB Texas Instruments 1: €3.54 2,326In Stock	Mfr. Part No. LM2842XMK-ADJL/NOPB Mouser Part No 926-M2842XMKADJLNOPB	Texas Instruments	Switching Voltage Regulators 600MA-42V INPUT STEP DOWN DC/DC REG A 92 A 926-L2842XMKXADJLNPB Learn More about Texas Instruments ti national lm2840	Datasheet	2,326In Stock	Cut Tape €3.54 €2.68 €2.47 €2.23 Reel €1.98 View €2.12 €2.11 €1.91 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOT-23-THIN-6	Buck	765 mV to 34 V	600 mA	1 Output	550 kHz	- 40 C	+ 125 C		LM2842	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 600MA-42V INPUT STEP DOWN DC/DC REG A 92 A 926-L2842YMKXADJLNPB LM2842YMK-ADJL/NOPB Texas Instruments 1: €3.54 2,495In Stock	Mfr. Part No. LM2842YMK-ADJL/NOPB Mouser Part No 926-M2842YMKADJLNOPB	Texas Instruments	Switching Voltage Regulators 600MA-42V INPUT STEP DOWN DC/DC REG A 92 A 926-L2842YMKXADJLNPB Learn More about Texas Instruments ti national lm2840	Datasheet	2,495In Stock	Cut Tape €3.54 €2.68 €2.47 €2.23 Reel €1.97 View €2.12 €2.11 €1.91 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOT-23-THIN-6	Buck	765 mV to 34 V	600 mA	1 Output	1.25 MHz	- 40 C	+ 125 C		LM2842	Reel, Cut Tape, MouseReel
Switching Voltage Regulators SIMPLE SWITCHER® 42V 100mA Step-Dow A 926-LM2840XMKADJLNPB LM2840XMKX-ADJL/NOPB Texas Instruments 1: €2.61 540In Stock	Mfr. Part No. LM2840XMKX-ADJL/NOPB Mouser Part No 926-L2840XMKXADJLNPB	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER® 42V 100mA Step-Dow A 926-LM2840XMKADJLNPB Learn More about Texas Instruments ti national lm2840	Datasheet	540In Stock	Cut Tape €2.61 €2.23 €1.75 Reel €1.52 €1.51 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-THIN-6	Buck	765 mV to 34 V	100 mA	1 Output	550 kHz	- 40 C	+ 125 C		LM2840	Reel, Cut Tape, MouseReel
Switching Voltage Regulators SIMPLE SWITCHER® 4.5V to 42V 0.6A S A 926-M2842XMKADJLNOPB LM2842XMKX-ADJL/NOPB Texas Instruments 1: €3.09 12In Stock 3,000Expected 21/12/2026	Mfr. Part No. LM2842XMKX-ADJL/NOPB Mouser Part No 926-L2842XMKXADJLNPB	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER® 4.5V to 42V 0.6A S A 926-M2842XMKADJLNOPB Learn More about Texas Instruments ti national lm2840	Datasheet	12In Stock 3,000Expected 21/12/2026	Cut Tape €3.09 €2.32 €2.12 €1.91 View Reel €1.61 €1.81 €1.79 €1.73 €1.61 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-THIN-6	Buck	765 mV to 34 V	600 mA	1 Output	550 kHz	- 40 C	+ 125 C		LM2842	Reel, Cut Tape, MouseReel
Switching Voltage Regulators SIMPLE SWITCHER® 42V 100mA Step-Dow LM2840XQMK/NOPB Texas Instruments 1: €3.21 359In Stock	Mfr. Part No. LM2840XQMK/NOPB Mouser Part No 926-LM2840XQMK/NOPB	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER® 42V 100mA Step-Dow Learn More about Texas Instruments ti national lm2840	Datasheet	359In Stock	Cut Tape €3.21 €2.43 €2.23 €2.05 Reel €1.75 View €1.94 €1.88 €1.69 €1.67 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOT-23-THIN-6	Buck	765 mV to 34 V	100 mA	1 Output	550 kHz	- 40 C	+ 125 C	AEC-Q100	LM2840	Reel, Cut Tape, MouseReel
Switching Voltage Regulators SIMPLE SWITCHER® 42V 100mA Step-Dow A 926-LM2840YQMKX/NOPB LM2840YQMK/NOPB Texas Instruments 1: €3.74 122In Stock	Mfr. Part No. LM2840YQMK/NOPB Mouser Part No 926-LM2840YQMK/NOPB	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER® 42V 100mA Step-Dow A 926-LM2840YQMKX/NOPB Learn More about Texas Instruments ti national lm2840	Datasheet	122In Stock	Cut Tape €3.74 €2.82 €2.60 €2.34 Reel €2.06 View €2.22 €2.20 €2.02 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOT-23-THIN-6	Buck	765 mV to 34 V	100 mA	1 Output	1.25 MHz	- 40 C	+ 125 C	AEC-Q100	LM2840	Reel, Cut Tape, MouseReel
Switching Voltage Regulators SIMPLE SWITCHER® 4.5V to 42V 0.6A S A 926-M2842YMKADJLNOPB LM2842YMKX-ADJL/NOPB Texas Instruments 1: €3.17 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. LM2842YMKX-ADJL/NOPB Mouser Part No 926-L2842YMKXADJLNPB	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER® 4.5V to 42V 0.6A S A 926-M2842YMKADJLNOPB Learn More about Texas Instruments ti national lm2840	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape €3.17 €2.38 €2.18 €1.96 View Reel €1.69 €1.86 €1.83 €1.73 €1.69 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-THIN-6	Buck	765 mV to 34 V	600 mA	1 Output	1.25 MHz	- 40 C	+ 125 C		LM2842	Reel, Cut Tape, MouseReel

LM284x/LM284x-Q1 Step-Down DC/DC Regulators

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LM284x/LM284x-Q1 Step-Down DC/DC Regulators

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