L5101(2009) Ver la hoja de datos (PDF) - Unisonic Technologies

Número de pieza

componentes Descripción

fabricante

L5101
(Rev.:2009)

WHITE LED STEP-UP CONVERTER

Unisonic Technologies 

L5101

„ TYPICAL CHARACTERISTICS

LINEAR INTEGRATED CIRCUIT

Supply Current vs. Supply Voltage

1.35

1.34

1.33

1.32

1.31

FB=VIN

Non-Switching

1.30

1.29

2.5

3.0 3.5 4.0 4.5 5.0

Supply Voltage (V)

5.5 6.0

RDS(ON) vs. Supply Voltage

1.4

1.3

1.2

1.1

1.0

2.5

3.0 3.5 4.0 4.5 5.0 5.5 6.0

Supply Voltage (V)

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

Supply Current vs. Supply Voltage

1.95

1.90

1.85

FB=GND

Switching

1.80

2.5

3.0 3.5 4.0 4.5 5.0

Supply Voltage (V)

5.5 6.0

3LEDs Efficiency vs. LED Current

90

VIN=3.6V

85

80

VIN=3.0V

75

70

3LEDs,

L1=10μH

65

60

VIN=4.2V

55

0

5

10

15

20

LED Current (mA)

9 of 10

QW-R103-026.B

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