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LM3519 Datasheet - Texas Instruments

LM3519 High Frequency Boost White LED Driver

The LM3519 drives up to 4 white LEDs with constant current to provide LCD backlighting in handheld devices. The LED current is internally set to 20mA. The series connection allows the LED current to be identical for uniform brightness and minimizes the number of traces to the LEDs. Brightness contro.

LM3519 Features

* 1

* 2 Drives 2 to 4 LEDs at 20mA

* Up to 30kHz PWM Dimming Control Capability

* >80% Peak Efficiency

* Up to 8MHz Switching Frequency

* Small External Components: 1µH - 3.3µH(typ.2.2μH) Inductor and 1µF Output Capacitor

* True Shutdown Isolation

LM3519 Datasheet (3.76 MB)

Preview of LM3519 PDF

Datasheet Details

Part number:

LM3519

Manufacturer:

Texas Instruments ↗

File Size:

3.76 MB

Description:

High frequency boost white led driver.

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LM3519 High Frequency Boost White LED Driver Texas Instruments

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