LM3402 Datenblatt PDF ( Pinout, schematic )

Teilenummer : LM3402

Function : 0.5A Constant Current Buck Regulator for Driving High Power LEDs

Hersteller : Texas Instruments

Pinout :

LM3402 datenblatt

Beschreibung :

The LM3402/02HV are monolithic switching regulators designed to deliver constant currents to high power LEDs. Ideal for automotive, industrial, and general lighting applications, they contain a high-side N-channel MOSFET switch with a current limit of 735mA (typical) for step-down (Buck) regulators. Hysteretic control with controlled on-time coupled with an external resistor allow the converter output voltage to adjust as needed to deliver a constant current to series and series – parallel connected arrays of LEDs of varying number and type, LED dimming by pulse width modulation (PWM), broken/open LED protection, low-power shutdown and thermal shutdown complete the feature set.

• Integrated 0.5A N-channel MOSFET
VIN Range from 6V to 42V (LM3402)
VIN Range from 6V to 75V (LM3402HV)
• 500 mA Output Current Over Temperature
• 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
• VSSOP, SO PowerPAD Packages

Datenblatt PDF Download

LM3402 pdf

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