Voltage Regulators - Switching Regulators – Mouser Korea, Republic of

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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 (KRW) 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 600 mA up-42V Input SD DC/DC Reg A 926-L A 926-LM2842XQMKX/NOPB LM2842XQMK/NOPB Texas Instruments 1: ₩7,285.2 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 ₩7,285.2 ₩5,538 ₩5,101.2 ₩4,617.6 ₩4,399.2 Reel ₩3,915.6 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 100 mA up-42V Input SD DC/DC Reg A 926-L A 926-L2840XMKXADJLNPB LM2840XMK-ADJL/NOPB Texas Instruments 1: ₩5,912.4 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 ₩5,912.4 ₩4,461.6 ₩4,102.8 ₩3,697.2 View Reel ₩3,057.6 ₩3,510 ₩3,478.8 ₩3,057.6 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: ₩8,158.8 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 ₩8,158.8 ₩6,208.8 ₩5,725.2 ₩5,194.8 Reel ₩4,711.2 View ₩4,929.6 ₩4,773.6 ₩4,664.4 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 SIMPLE SWITCHER® 42V 100mA Step-Dow A 926-LM2840YQMK/NOPB LM2840YQMKX/NOPB Texas Instruments 1: ₩5,506.8 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 ₩5,506.8 ₩4,680 Reel ₩3,088.8 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: ₩7,534.8 10,489In 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	10,489In Stock	Cut Tape ₩7,534.8 ₩5,678.4 ₩5,210.4 ₩4,711.2 Reel ₩4,165.2 View ₩4,461.6 ₩4,430.4 ₩4,071.6 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: ₩6,286.8 2,957In 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	2,957In Stock	Cut Tape ₩6,286.8 ₩4,742.4 ₩4,352.4 ₩3,931.2 ₩3,759.6 Reel ₩3,182.4 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: ₩5,023.2 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 ₩5,023.2 ₩3,775.2 ₩3,463.2 ₩3,104.4 Reel ₩2,745.6 View ₩2,948.4 ₩2,901.6 ₩2,652 ₩2,605.2 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: ₩7,254 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 ₩7,254 ₩5,522.4 ₩5,085.6 ₩4,602 Reel ₩4,087.2 View ₩4,368 ₩4,056 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: ₩6,333.6 1,752In Stock 6,000Expected 2/22/2027	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 2/22/2027	Cut Tape ₩6,333.6 ₩4,789.2 ₩4,399.2 ₩3,978 View Reel ₩3,416.4 ₩3,775.2 ₩3,759.6 ₩3,634.8 ₩3,416.4 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: ₩7,285.2 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 ₩7,285.2 ₩5,538 ₩5,101.2 ₩4,617.6 ₩4,399.2 Reel ₩3,744 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: ₩6,380.4 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 ₩6,380.4 ₩5,772 ₩5,678.4 ₩5,631.6 ₩5,288.4 Reel ₩3,432 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: ₩7,363.2 4,373In 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	4,373In Stock	Cut Tape ₩7,363.2 ₩5,600.4 ₩5,163.6 ₩4,680 Reel ₩4,165.2 View ₩4,446 ₩4,024.8 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: ₩6,427.2 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 ₩6,427.2 ₩4,867.2 ₩4,477.2 ₩4,040.4 Reel ₩3,588 View ₩3,837.6 ₩3,822 ₩3,463.2 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: ₩6,286.8 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 ₩6,286.8 ₩4,742.4 ₩4,352.4 ₩4,009.2 Reel ₩3,400.8 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: ₩6,427.2 2,498In 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	2,498In Stock	Cut Tape ₩6,427.2 ₩4,867.2 ₩4,477.2 ₩4,040.4 Reel ₩3,572.4 View ₩3,837.6 ₩3,822 ₩3,463.2 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: ₩4,742.4 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 ₩4,742.4 ₩4,040.4 ₩3,166.8 Reel ₩2,761.2 ₩2,745.6 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: ₩5,709.6 30In Stock 3,000Expected 12/28/2026	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	30In Stock 3,000Expected 12/28/2026	Cut Tape ₩5,709.6 ₩4,274.4 ₩3,915.6 ₩3,510 Reel ₩2,870.4 View ₩3,322.8 ₩3,276 ₩3,088.8 ₩2,839.2 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: ₩5,818.8 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 ₩5,818.8 ₩4,399.2 ₩4,040.4 ₩3,712.8 Reel ₩3,166.8 View ₩3,525.6 ₩3,416.4 ₩3,073.2 ₩3,026.4 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: ₩7,410 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 ₩7,410 ₩5,584.8 ₩5,132.4 ₩4,633.2 View Reel ₩4,009.2 ₩4,383.6 ₩4,352.4 ₩4,087.2 ₩4,009.2 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: ₩6,786 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 ₩6,786 ₩5,116.8 ₩4,711.2 ₩4,243.2 Reel ₩3,744 View ₩4,024.8 ₩3,993.6 ₩3,666 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: ₩5,709.6 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 ₩5,709.6 ₩4,274.4 ₩3,915.6 ₩3,510 Reel ₩2,901.6 View ₩3,322.8 ₩3,276 ₩3,088.8 ₩2,886 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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