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LM2841YMK-ADJEV/NOPB

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Development Boards, Kits, Programmers

LM2841YMK-ADJEV/NOPB

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Texas Instruments

EVAL BOARD FOR LM2841YMK-ADJ

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Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LM2841YMK-ADJEV/NOPB

Board Type	Fully Populated
Current - Output	300 mA
Frequency - Switching	1.25 MHz
Main Purpose	DC/DC, Step Down
Outputs and Type	Non-Isolated
Outputs and Type	1
Regulator Topology	Buck
Supplied Contents	Board(s)
Utilized IC / Part	LM2841
Voltage - Input [Max]	42 V
Voltage - Input [Min]	4.5 V
Voltage - Output	3.3 V

LM2841-Q1 Series

SIMPLE SWITCHER® 42V, 300mA Step-Down DC/DC Regulator in Thin SOT-23

Part	Function	Voltage - Input (Max) [Max]	Voltage - Output (Max) [Max]	Number of Outputs	Mounting Type	Output Configuration	Package / Case	Topology	Current - Output	Operating Temperature [Min]	Operating Temperature [Max]	Output Type	Voltage - Input (Min) [Min]	Supplier Device Package	Frequency - Switching	Supplied Contents	Outputs and Type	Outputs and Type	Utilized IC / Part	Voltage - Output	Voltage - Input [Max]	Voltage - Input [Min]	Main Purpose	Regulator Topology	Board Type	Grade	Qualification
Texas Instruments LM2841XMK-ADJL/NOPB	Step-Down	42 V	34 V	1	Surface Mount	Positive	SOT-23-6 Thin TSOT-23-6	Buck	300 mA	-40 °C	125 ¯C	Adjustable	4.5 V	TSOT-23-6	550 kHz
Texas Instruments LM2841XBMKX/NOPB	Step-Down	42 V		1	Surface Mount	Positive	SOT-23-6 Thin TSOT-23-6	Buck	300 mA	-40 °C	125 ¯C	Adjustable	4.5 V	SOT-23-THIN	550 kHz
Texas Instruments LM2841XMKX-ADJL/NOPB	Step-Down	42 V	34 V	1	Surface Mount	Positive	SOT-23-6 Thin TSOT-23-6	Buck	300 mA	-40 °C	125 ¯C	Adjustable	4.5 V	SOT-23-THIN	550 kHz
Texas Instruments LM2841YMKX-ADJL/NOPB	Step-Down	42 V	34 V	1	Surface Mount	Positive	SOT-23-6 Thin TSOT-23-6	Buck	300 mA	-40 °C	125 ¯C	Adjustable	4.5 V	TSOT-23-6	1.25 MHz
Texas Instruments LM2841YMK-ADJEV/NOPB									300 mA						1.25 MHz	Board(s)	Non-Isolated	1	LM2841	3.3 V	42 V	4.5 V	DC/DC Step Down	Buck	Fully Populated
Texas Instruments LM2841YQMKX/NOPB	Step-Down	42 V	34 V	1	Surface Mount	Positive	SOT-23-6 Thin TSOT-23-6	Buck	300 mA	-40 °C	125 ¯C	Adjustable	4.5 V	TSOT-23-6	1.25 MHz											Automotive	AEC-Q100

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Box	1	$ 58.80

Description

General part information

LM2841-Q1 Series

The LM284x-Q1 SIMPLE SWITCHER™ devices are PWM DC/DC buck (step-down) regulators. With an input range from 4.5 V to 42 V, they are suitable for a wide range of applications, such as power conditioning from unregulated sources. They feature a low RDSON(0.9‑Ω typical) internal switch for maximum efficiency (85% typical). Operating frequency is fixed at 550 kHz (X option) and 1.25 MHz (Y option), allowing the use of small external components while still being able to have low output voltage ripple. Soft start can be implemented using the shutdown (SHDN) pin with an external RC circuit allowing the user to tailor the soft-start time to a specific application.

The LM2840-Q1 is optimized for up to 100 mA, the LM2841-Q1 for up to 300 mA, and the LM2842-Q1 for up to 600‑mA load currents. They all have a 0.765-V nominal feedback voltage.

Additional features include: thermal shutdown, VINundervoltage lockout, and gate-drive undervoltage lockout. The LM284x-Q1 are available in a low-profile SOT-6L package.

Documents

Technical documentation and resources