LM3481MM - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

LM3481MM
Manufacturer

TI
ChipWorker Part#

CW20365126
Category

DC to DC Converter
Package

MSOP
Description

TEXAS INSTRUMENTS LM3481MM DC-DC Controller, High Efficiency, 2.97V to 48V, 1 Output, Boost, Flyback, SEPIC, 1MHz, MSOP-10
Documentation

Datasheet

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LM3481MM Specifications

Attribute	Attribute Value

Part Number	LM3481MM
Manufacturer	TI
ChipWorker Part#	CW20365126
Category	DC to DC Converter
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	10 Pin
Case/Package	MSOP
Supply Voltage (DC)	2.97V (min)
Number of Outputs	1 Output
Output Voltage	1.275V ~ 500V
Output Current	1.00 A
Number of Positions	10 Position
Switching Frequency	1 MHz
Duty Cycle	85 %
Input Voltage (Max)	48 V
Input Voltage (Min)	2.97 V
Output Current (Max)	1 A
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage (Max)	48 V
Supply Voltage (Min)	2.97 V
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Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	Non-Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15

Product Description

The LM3481MM 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
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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