Single Or Multi Cell Led Driver Solution

1 semiconductors zxsc300 issue 2 - february 2004 single or multi cell led driver solution q1 fmmt617 r1 0.33r l1 100µh v batt led1 white led v cc gnd i sense vdrive.

Find parts, products, suppliers, datasheets, and more for: Single Cell LED Drivers.

single or multi cell led driver solution

ZXSC380 Single or multi cell LED The ZXSC380 is a highly integrated single or multi cell LED driver for ZXSC380 Single or multi cell LED driver solution 80.

ZXLD381 datasheet - Single or Multi Cell LED Driver Solution

Single or Multi Cell LED Driver Solution Others with the same file for datasheet: ZXSC300, Download ZXSC300E5TA datasheet from Diodes: pdf 164 kb.

Zetex: ZXLD381 Datasheet Single or Multi Cell LED Driver Solution: ZXLD381 Datasheet Preview: www.DataSheet4U.com.

ZXLD381 Operating Waveforms for L 4.7uH, VCC 1.5V

OU T AVE RA GE vs VCC fo r L 2.2uH to 47uH

ZXLD381IIN vsVCC for L 2.2uH to 47uH

ZXLD381 fOSC vs VCC for L 4.7uH

ZXLD381 Datasheet PDF 3 Page - Zetex Semiconductors: Part No. ZXLD381: Description Single or Multi Cell LED Driver Solution: Download.

The is a single cell LED driver designed for applications where step-up voltage conversion from a very low input voltage is required. These applications mainly operate from or 1.2V cells. The IC generates constant current pulses that are ideal for driving single or multiple LEDs over a wide range of operating voltages. The ZXLD381 uses a PFM control technique to drive an internal switching transistor which exhibits a low saturation resistance. This ensures high efficiency, even for input voltages as low as 1V. The IC can start up under full load and operates down to an input voltage of only 0.9V. The ZXLD381 is offered in the space saving SOT23 package or in die form, offering an excellent cost vs performance solution for single cell LED driving applications.

85 Efficiency User adjustable output current Single cell operation 0.9V minimum Low saturation transistor SOT23-3 package Available also in Die form Simple Application circuit voltage switching

Supply Voltage VCC Output Voltage VOUT Supply Current Output Switch Current Power Dissipation SOT23-3 Power Dissipation Die Operating Temperature Range Storage Temperature Range to 150 C

Measured at TAMB 4.7H and VCC 1.5V unless otherwise specified. Parameter Conditions Min Supply Voltage Operating Range Minimum Supply Start-up Voltage Switch Current Switch Saturation Voltage Switch Leakage Current Mean LED Current Efficiency 10H At turn-off IOUT 200mA VOUT 20V VLED 3.5V VLED 3.5V Limits Typ Max mA Units

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Single or Multi Cell LED Driver Solution Summary The ZXLD381 is a single cell LED driver ZXLD381 Single and multicell LED driver solution.

single or multi cell led driver solution Single or Multi Cell LED Driver Solution single or multi cell led driver solution single or multi cell led driver solution