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Home Product LM3489QMM/NOPB Texas Instruments Switcher IC 36V Input 1.5A Step-Down Converter LED Driver Telecom

LM3489QMM/NOPB Texas Instruments Switcher IC 36V Input 1.5A Step-Down Converter LED Driver Telecom

LM3489QMM DC-DC converter
Texas Instruments switching regulator
NOPB boost controller IC
LM3489QMM/NOPB
Texas Instruments LM3489QMM/NOPB is a high-efficiency DC-DC converter switching regulator IC designed as a versatile boost controller. This lead-free (NOPB) device features wide input voltage range, adjustable switching frequency, and robust thermal protection for power management in automotive, industrial, and battery-powered applications.

Product Description

The LM3489QMM/NOPB from Texas Instruments is a versatile DC-DC converter designed as a high-efficiency switching regulator and boost controller IC. It supports input voltages from 2.97V to 34V, delivering a regulated output up to 60V. Optimized for automotive, industrial, and telecom applications, it integrates a MOSFET driver for direct external N-channel FET control, enabling flexible power stage design. Key features include adjustable switching frequency (up to 1MHz), cycle-by-cycle current limiting, and thermal shutdown. Operating across -40°C to +125°C, it excels in harsh environments. Advantages include wide input range and robust protection; however, external component requirements add design complexity. Ideal for driving high-voltage loads in battery-powered systems or LED drivers.
Parameter Specification
Device Type LM3489QMM/NOPB boost controller IC
Manufacturer Texas Instruments switching regulator
Function DC-DC converter with current-mode control
Input Voltage Range 2.5V to 35V
Switching Frequency Adjustable up to 1.6MHz
Output Current Capability Up to 5A (dependent on external components)
Operating Temperature -40°C to +125°C
Package VQFN-10 (3mm x 3mm)
Control Topology Boost, Flyback, SEPIC, and Isolated Converter Support
Efficiency Up to 95% (typical)
Protection Features Thermal shutdown, cycle-by-cycle current limit
Applications Industrial systems, automotive power supplies, battery-powered devices
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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