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LM3481 Datasheet PDF

Part Series:LM3481 Series
Category:DC-DC Converters
Description:High-Efficiency Controller for Boost, SEPIC and Flyback DC-DC Converters 10-VSSOP -40℃ to 125℃
Document:LM3481MM/NOPB Datasheet PDF (40 Pages)

LM3481 Datasheet PDF DC-DC Converters

38 Pages
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LM3481MM/NOPB - TI Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
10 Pin
Supply Voltage (DC)
2.97V (min)
Case/Package
MSOP-10
Number of Outputs
1 Output
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LM3481MM/NOPB - TI Function Overview

The LM3481MM/NOPB is a versatile low-side N-FET High-performance Controller for switching regulator. This converter is suitable for use in topologies requiring a low-side FET, such as boost, flyback, SEPIC and so on. The LM3481 converter can be operated at extremely high switching frequencies to reduce the overall solution size. The switching frequency of the regulator can be adjusted to any value between 100kHz and 1MHz by using a single external resistor or by synchronizing it to an external clock. Current mode control provides superior bandwidth and transient response in addition to cycle-by-cycle current limiting. Current limit can be programmed with a single external resistor. This converter has built-in protection features such as thermal shutdown, short-circuit protection and overvoltage protection. Power-saving shutdown mode reduces the total supply current to 5µA and allows power supply sequencing. Internal soft-start limits the inrush current at start-up.
Current limit and thermal shutdown
Frequency compensation optimized with a capacitor and a resistor
Internal soft-start
Current mode operation
Under-voltage lockout with hysteresis
Pulse skipping at light loads
Green product and no Sb/Br
This device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.
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