PR4404 datasheet(5/12 Pages) PREMA

Part #	PR4404

Description	Low Voltage Boost Driver PR4404 for 0.5 W / 1 W Power LEDs

PDF	12 Pages

Scroll/Zoom	100%

Manufacturer	PREMA [PREMA Semiconductor.]

Direct Link	https://www.prema.com/

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5 / 12 page

LED Driver PR4404

Characteristics

SUPPLY VOLTAGE 1...2 V - TARGET CURRENT 150 mA - ONE LED

Rs = 1,33 Ω, L1 = 1.0 µH / 1.5 µH with Isat=2.5 A

0,8

1,2

1,4

1,6

1,8

2,2

100

150

200

1.0 µH

1.5 µH

Supply Voltage [V]

0,8

1,2

1,4

1,6

1,8

2,2

150

300

450

600

1.0 µH

1.5 µH

Supply Voltage [V]

0,8

1,2

1,4

1,6

1,8

2,2

200

400

600

800

1.0 µH

1.5 µH

Supply Voltage [V]

0,8

1,2

1,4

1,6

1,8

2,2

1.0 µH

1.5 µH

Supply Voltage [V]

0,8

1,2

1,4

1,6

1,8

2,2

200

400

600

800

1.0 µH

1.5 µH

Supply Voltage [V]

The peak input current is approximately twice the average input current. At some conditions this current

is close to the SW current maximum rating.The allowed ambient temperature range is restricted by the

maximum junction temperature rating!

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