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 (PHP) 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: ₱232.52 4,478In Stock	Mfr. Part # LM2840XMK-ADJL/NOPB Mouser Part # 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 ₱232.52 ₱175.46 ₱161.35 ₱145.40 View Reel ₱120.25 ₱138.04 ₱136.81 ₱120.25 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: ₱320.86 573In Stock	Mfr. Part # LM2841YQMK/NOPB Mouser Part # 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 ₱320.86 ₱244.17 ₱225.15 ₱204.30 Reel ₱185.28 View ₱193.87 ₱187.73 ₱183.44 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: ₱286.50 1,157In Stock	Mfr. Part # LM2842XQMK/NOPB Mouser Part # 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 ₱286.50 ₱217.79 ₱200.61 ₱181.60 ₱173.01 Reel ₱153.99 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 100mA Step-Dow A 926-LM2840YQMK/NOPB LM2840YQMKX/NOPB Texas Instruments 1: ₱216.57 3,000In Stock	Mfr. Part # LM2840YQMKX/NOPB Mouser Part # 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 ₱216.57 ₱184.05 Reel ₱121.47 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: ₱289.57 10,569In Stock	Mfr. Part # LM2841YMK-ADJL/NOPB Mouser Part # 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	10,569In Stock	Cut Tape ₱289.57 ₱220.25 ₱203.07 ₱184.05 Reel ₱163.80 View ₱174.85 ₱174.23 ₱158.28 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-M2841YMKADJLNOPB LM2841YMKX-ADJL/NOPB Texas Instruments 1: ₱246.01 2,707In Stock	Mfr. Part # LM2841YMKX-ADJL/NOPB Mouser Part # 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	2,707In Stock	Cut Tape ₱246.01 ₱185.89 ₱171.17 ₱154.60 View Reel ₱126.99 ₱146.63 ₱146.01 ₱126.99 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: ₱197.55 2,325In Stock	Mfr. Part # LM2840YMK-ADJL/NOPB Mouser Part # 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 ₱197.55 ₱148.47 ₱136.20 ₱122.09 Reel ₱107.98 View ₱115.95 ₱114.11 ₱104.30 ₱102.45 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: ₱285.28 2,966In Stock	Mfr. Part # LM2841XQMK/NOPB Mouser Part # 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 ₱285.28 ₱217.18 ₱200.00 ₱180.98 Reel ₱160.74 View ₱171.78 ₱159.51 Quote 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: ₱249.08 1,752In Stock 6,000Expected 15/02/2027	Mfr. Part # LM2842XQMKX/NOPB Mouser Part # 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	1,752In Stock 6,000Expected 15/02/2027	Cut Tape ₱249.08 ₱188.34 ₱173.01 ₱156.44 View Reel ₱134.36 ₱148.47 ₱147.85 ₱142.95 ₱134.36 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: ₱286.50 1,101In Stock	Mfr. Part # LM2842YQMK/NOPB Mouser Part # 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 ₱286.50 ₱217.79 ₱200.61 ₱181.60 ₱173.01 Reel ₱147.24 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: ₱250.92 2,543In Stock	Mfr. Part # LM2842YQMKX/NOPB Mouser Part # 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 ₱250.92 ₱227.00 ₱223.31 ₱221.47 ₱207.98 Reel ₱134.97 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: ₱289.57 4,346In Stock	Mfr. Part # LM2841XMK-ADJL/NOPB Mouser Part # 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	4,346In Stock	Cut Tape ₱289.57 ₱220.25 ₱203.07 ₱184.05 Reel ₱163.80 View ₱174.85 ₱158.28 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: ₱252.76 2,899In Stock	Mfr. Part # LM2842XMK-ADJL/NOPB Mouser Part # 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	2,899In Stock	Cut Tape ₱252.76 ₱191.41 ₱176.07 ₱158.90 Reel ₱141.11 View ₱150.92 ₱150.31 ₱136.20 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 4.5V to 42V 300mA S IMPLE SWITCHER buck A 926-M2841XMKADJLNOPB LM2841XMKX-ADJL/NOPB Texas Instruments 1: ₱247.24 2,106In Stock	Mfr. Part # LM2841XMKX-ADJL/NOPB Mouser Part # 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	2,106In Stock	Cut Tape ₱247.24 ₱186.50 ₱171.17 ₱157.67 Reel ₱133.74 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 600MA-42V INPUT STEP DOWN DC/DC REG A 92 A 926-L2842YMKXADJLNPB LM2842YMK-ADJL/NOPB Texas Instruments 1: ₱252.76 2,489In Stock	Mfr. Part # LM2842YMK-ADJL/NOPB Mouser Part # 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	2,489In Stock	Cut Tape ₱252.76 ₱191.41 ₱176.07 ₱158.90 Reel ₱140.49 View ₱150.92 ₱150.31 ₱136.20 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: ₱186.50 540In Stock	Mfr. Part # LM2840XMKX-ADJL/NOPB Mouser Part # 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 ₱186.50 ₱158.90 ₱124.54 Reel ₱108.59 ₱107.98 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: ₱224.54 12In Stock 3,000Expected 19/11/2026	Mfr. Part # LM2842XMKX-ADJL/NOPB Mouser Part # 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 19/11/2026	Cut Tape ₱224.54 ₱168.10 ₱153.99 ₱138.04 Reel ₱112.88 View ₱130.68 ₱128.84 ₱121.47 ₱111.66 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: ₱228.84 359In Stock	Mfr. Part # LM2840XQMK/NOPB Mouser Part # 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 ₱228.84 ₱173.01 ₱158.90 ₱146.01 Reel ₱124.54 View ₱138.65 ₱134.36 ₱120.86 ₱119.02 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOT-23-THIN-6	Buck	765 mV to 34 V	100 mA	1 Output	550 kHz	- 40 C	+ 125 C	AEC-Q100	LM2840	Reel, Cut Tape, MouseReel
Switching Voltage Regulators SIMPLE SWITCHER® 42V 300mA Step-Dow A 926-LM2841YQMK/NOPB LM2841YQMKX/NOPB Texas Instruments 1: ₱291.41 860In Stock	Mfr. Part # LM2841YQMKX/NOPB Mouser Part # 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 ₱291.41 ₱219.63 ₱201.84 ₱182.21 View Reel ₱157.67 ₱172.39 ₱171.17 ₱160.74 ₱157.67 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-LM2840YQMKX/NOPB LM2840YQMK/NOPB Texas Instruments 1: ₱266.87 122In Stock	Mfr. Part # LM2840YQMK/NOPB Mouser Part # 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 ₱266.87 ₱201.23 ₱185.28 ₱166.87 Reel ₱147.24 View ₱158.28 ₱157.06 ₱144.17 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: ₱224.54 Non-Stocked Lead-Time 20 Weeks	Mfr. Part # LM2842YMKX-ADJL/NOPB Mouser Part # 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 20 Weeks	Cut Tape ₱224.54 ₱168.10 ₱153.99 ₱138.04 Reel ₱114.11 View ₱130.68 ₱128.84 ₱121.47 ₱113.50 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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