SP7680 datasheet(8/16 Pages) SIPEX

8 / 16 page

June 21-07 revH

SP7680: Complete Backlight Solution



2007 Sipex Corporation

Page 8

TYPICAL PERFORMANCE CHARACTERISTICS

VIN = 3.6V, Typical Application Circuit, TA = 25°C unless otherwise noted. For 7 LED curves, LED7 anode

is connected to VOUT, not VIN.

Output Efficiency Vs VIN, 6 WLEDs

100

3.0

3.3

3.6

3.9

4.2

VIN (V)

ILED=15mA,Vf=3.4V

ILED=20mA,Vf=3.6V

ILED=25mA,Vf=3.8V

Output Efficiency Vs VIN, 7 WLEDs

100

3.0

3.3

3.6

3.9

4.2

VIN (V)

ILED=15mA,Vf=3.4V

ILED=20mA,Vf=3.6V

ILED=25mA,Vf=3.8V

Output Current Vs VIN, 6 WLEDs

100

150

200

3.0

3.3

3.6

3.9

4.2

VIN(V)

ILED=25mA,Vf=3.4V

ILED=20mA,Vf=3.6V

ILED=15mA,Vf=3.8V

Output Current Vs VIN, 7 WLEDs

100

150

200

3.0

3.3

3.6

3.9

4.2

VIN (V)

ILED=15mA,Vf=3.4V

ILED=20mA,Vf=3.6V

ILED=25mA,Vf=3.8V

LED Efficiency Vs VIN, 6 WLEDs

100

3.0

3.3

3.6

3.9

4.2

VIN (V)

ILED=15mA,Vf=3.4V

ILED=20mA,Vf=3.6V

ILED=25mA,Vf=3.8V

LED Efficiency Vs VIN, 7 WLEDs

100

3.0

3.3

3.6

3.9

4.2

VIN (V)

ILED=15mA,Vf=3.4V

ILED=20mA,Vf=3.6V

ILED=25mA,Vf=3.8V

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