XRP6840 datasheet(7/17 Pages) EXAR

Teilenummer	XRP6840

Bauteilbeschribung	4.3A Supercapacitor Flash LED Driver with I2C

PDF	17 Pages

Scroll/Zoom	100%

Hersteller	EXAR [Exar Corporation]

Direct Link	http://www.exar.com

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7 / 17 page

4..3

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7/17

Rev. 1.0.0

TYPICAL PERFORMANCE CHARACTERISTICS

All data taken at VIN = 2.7V to 5.5V, TJ = TA = 25°C, unless otherwise specified - Schematic and BOM from Application

Information section of this datasheet.

Fig. 5: High Efficiency Torch Mode ILED at 200mA

no supercap

Fig. 6: High Efficiency Torch Mode, LED Current versus VIN

no supercap

Fig. 7: High Efficiency Torch Mode, Input Current versus VIN

ILED at 200mA, no supercap

Fig. 8: VOUT RDY: 0.6F Supercap, CH1 = VIN,

CH2 = VOUT, CH3 = RDY, CH4 = IVIN =0.5A/div

Fig. 9: In-rush Current with Li-ion Battery

0.6F Supercap, CIN=10µF CH1 = VIN, CH4 = IVIN =0.5A/div

Fig. 10: In-rush Current, 0.6F Supercap, CIN = 22µF,

CH1 = VIN, CH4 = IVIN =0.5A/div

1100mA

680mA

XRP6840 Datenblatt(PDF) 7 Page - Exar Corporation