LM3404MRX LM3404MRX/NOPB Mosfet Power Transistor LED Lighting Drivers
n channel mos field effect transistor
,p channel mosfet driver circuit
LM3404MRX LM3404MRX/NOPB Mosfet Power Transistor LED Lighting Drivers
1 Features
- Integrated 1-A MOSFET
-
VIN Range 6 V to 42 V (LM3404)
-
VIN Range 6 V to 75 V (LM3404HV)
-
1.2-A Output Current Overtemperature
-
Cycle-by-Cycle Current Limit
-
No Control Loop Compensation Required
-
Separate PWM Dimming and Low Power Shutdown
-
Supports All-Ceramic Output Capacitors and Capacitor-less Outputs
-
Thermal Shutdown Protection
-
SOIC-8 Package, SO PowerPADTM-8 Package
2 Applications
-
LED Drivers
-
Constant Current Sources
-
Automotive Lighting
-
General Illumination
-
Industrial Lighting
3 Description
The LM3404 and LM3404HV devices are monolithic switching regulators designed to deliver constant currents to high power LEDs. Ideal for automotive, industrial, and general lighting applications, these devices contain a high-side N-channel MOSFET switch with a current limit of 1.5-A (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. Some features are: LED dimming using pulse width modulation (PWM), broken or open LED protection, low-power shutdown, and thermal shutdown.
Device Information
|
PART NUMBER |
PACKAGE |
BODY SIZE (NOM) |
|
LM3404, LM3404HV |
SOIC (8) |
3.91 mm × 4.90 mm |
|
SO PowerPAD (8) |
3.90 mm × 4.89 mm |
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