LT3466 Ver la hoja de datos (PDF) - Linear Technology

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Fabricante

LT3466

Dual Full Function White LED Step-Up Converter with Built-In Schottky Diodes

Linear Technology 

TYPICAL APPLICATIO S

Li-Ion to 6/6 White LEDs

3V TO 5V

CIN

1µF

L1

33µH

L2

33µH

COUT1

1µF

SW1 VIN SW2

VOUT1

VOUT2

LT3466

COUT2

1µF

FB1

FB2

CTRL1 RT CTRL2

RFB1

10Ω

OFF ON

63.4k OFF ON

1%

CIN: TAIYO YUDEN JMK107BJ105

COUT1, COUT2: TAIYO YUDEN GMK316BJ105

L1, L2: TOKO A914BYW-330M

RFB2

10Ω

3466 TA03a

Li-Ion to 7/7 White LEDs

3V TO 5V

CIN

1µF

L1

33µH

L2

33µH

COUT1

1µF

SW1 VIN SW2

VOUT1

VOUT2

LT3466

FB1

FB2

CTRL1 RT CTRL2

COUT2

1µF

RFB1

OFF ON

10Ω

OFF ON

63.4k

1%

CIN: TAIYO YUDEN JMK107BJ105

COUT1, COUT2: TAIYO YUDEN GMK316BJ105

L1, L2: TOKO A914BYW-330M

RFB2

10Ω

3466 TA04a

LT3466

Conversion Efficiency

85

VIN = 3.6V

6/6 LEDs

80

75

70

65

60

55

50

0

5

10

15

20

LED CURRENT (mA)

3466 TA03b

Conversion Efficiency

85

VIN = 3.6V

7/7 LEDs

80

75

70

65

60

55

50

0

5

10

15

20

LED CURRENT (mA)

3466 TA04b

3466fa

15

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