LM3404MA

8-PSOP, -0.3V to 45V, 1.0A, monolithic switching regulator, LM3404MA

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Price:: US $1.48~2.00 / piece [Get Latest Price]

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	US $1.48~2.00

PartNumber:: LM3404MA

Brand:: National Semiconductor - NS | Pack: SOP | D/C: 11+

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Products Upload time: 2012-06-04

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Part Number:LM3404MA
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Product Summary

The LM3404MA is a monolithic switching regulator which is designed to deliver constant currents to high power LEDs. Ideal for automotive, industrial, and general lighting applications, the LM3404MA contains a high-side N-channel MOSFET switch with a current limit of 1.5A (typical) for step-down (Buck) regulators. Hysteretic controlled on-time and an external resistor allow the converter output voltage to adjust as needed to deliver a constant current to series and series-parallel connected LED arrays of varying number and type. LED dimming via pulse width modulation (PWM), broken/open LED protection, low power shutdown and thermal shutdown complete the feature set. The applications of the LM3404MA are: LED Driver, Constant Current Source, Automotive Lighting, General Illumination, Industrial Lighting.

Parametrics

LM3404MA absolute maximum ratings: (1)VIN to GND: -0.3V to 45V; (2)BOOT to GND: -0.3V to 59V; (3)SW to GND: -1.5V to 45V; (4)BOOT to VCC: -0.3V to 45V; (5)BOOT to SW: -0.3V to 14V; (6)VCC to GND: -0.3V to 14V; (7)DIM to GND: -0.3V to 7V; (8)CS to GND: -0.3V to 7V; (9)RON to GND: -0.3V to 7V; (10)Junction Temperature: 150℃; (11)Storage Temp. Range: -65℃ to 125℃; (12)ESD Rating (Note 2): 2kV; (13)Lead Temperature (Soldering, 10sec): 260℃; (14)Infrared/Convection Reflow (15sec): 235℃.

Features

LM3404MA features: (1)Integrated 1.0A MOSFET; (2)VIN Range 6V to 42V (LM3404); (3)VIN Range 6V to 75V (LM3404HV); (4)1.2A Output Current Over Temperature; (5)Cycle-by-Cycle Current Limit; (6)No Control Loop Compensation Required; (7)Separate PWM Dimming and Low Power Shutdown; (8)Supports all-ceramic output capacitors and capacitor-less outputs; (9)Thermal shutdown protection; (10)SO-8 Package, PSOP-8 Package.