HomedatasheetLM2841YQMK/NOPB

LM2841YQMK/NOPB Datasheet

LM2840/LM2841/LM2842/ LM2840-Q1/LM2841-Q1/LM2842-Q1 100/300/600 mA 42V Input Step-Down DC/DC Regulator in Thin SOT
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Description

DESCRIPTION
The LM2840, LM2841 and LM2842 are PWM DC/DC buck (step-down) regulators. With a wide input range from 4.5V-42V, they are suitable for a wide range of applications such as power conditioning from unregulated sources. They feature a low RDSON(0.9Ω typical) internal switch for maximum efficiency (85% typical). Operating frequency is fixed at 550 kHz (X version) and 1.25MHz (Y version) 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 pin with an external
RC circuit allowing the user to tailor the soft-start time to a specific application.

FEATURES
• LM2840Q, LM2841-Q1 and LM2842-Q1 are Automotive Grade Products that are AEC-Q100 Grade 1 Qualified (-40°C to +125°C Operating Junction Temperature)
• Input Voltage Range of 4.5V to 42V
• Output Current Options of 100 mA, 300 mA and 600 mA
• Feedback Pin Voltage of 0.765V
• 550 kHz (X) or 1.25 MHz (Y) Switching Frequency
• Low Shutdown IQ, 16 µA Typical
• Short Circuit Protected
• Internally Compensated
• Soft-Start Circuitry
• Small Overall Solution Size (SOT-6L Package)

APPLICATIONS
• Battery Powered Equipment
• Industrial Distributed Power Applications
• Portable Media Players
• Portable Hand Held Instruments

Features

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Manufacturer information

TEXAS INSTRUMENTS

Texas Instruments introduction - Texas Instruments Incorporated (TI) is a global semiconductor design and manufacturing company that develops analog ICs and embedded processors. By employing the world's brightest minds, TI creates innovations that shape the future of technology. TI is helping more than 100,000 customers transform the future, today.

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