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LM3407MY/NOPB - 

Led Driver, Buck, PWM Dimming, 4.5V-30V in, 1MHz switch, 27V/350mA out, MSOP-8

LM3407MY/NOPB - Led Driver, Buck, PWM Dimming, 4.5V-30V in, 1MHz switch, 27V/350mA out, MSOP-8

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Manufacturer Part No:
LM3407MY/NOPB
Newark Part No.:
78M7735

Product Overview

The LM3407MY/NOPB is a constant current output floating buck Switching Converter designed to provide constant current to high power LEDs. The LM3407 has an integrated power N-MOSFET that makes the application solution compact and simple to implement. An external 1% thick-film resistor allows the converter output voltage to adjust as needed to deliver constant current within 10% accuracy to a serially connected LED string of varying number and type. Converter switching frequency is adjustable from 300kHz to 1MHz. The LM3407 features a dimming input to enable LED brightness control by pulse width modulation (PWM). Additionally, a separate enable pin allows for low power shutdown. Input UVLO and output open-circuit protection ensure a robust LED driver solution. The LM3407 is a constant current output floating buck switching converter with wide input voltage range and low feedback current sense reference voltage.
  • Accurate constant current output
  • Independent device enable (CMOS compatible) and PWM dimming control
  • Converter switching frequency adjustable from 300kHz to 1MHz
  • No external control loop compensation required
  • Supports ceramic and low ESR output capacitors
  • Input under-voltage lock out (UVLO)
  • Thermal shutdown protection
  • 0.1 to 0.9VIN Output voltage range
  • 150°C Junction temperature
  • 165°C Thermal shutdown threshold
  • 25°C Thermal shutdown hysteresis

Applications

Power Management, Lighting

Warnings

Device has limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

Product Information

:
Buck, Constant Current
:
1Outputs
:
350mA
:
27V
:
MSOP
:
8Pins
:
4.5V
:
30V
:
1MHz
:
-40°C
:
125°C
:
Cut Tape
:
-
:
-
:
Yes
:
MSL 1 - Unlimited
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TEXAS INSTRUMENTS

Led Driver, 1 Output, Buck, Constant Current, 4.5V-30V in, 1MHz switch, 27V/350mA out, MSOP-8

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