FSP3604 datasheet(2/6 Pages) FOSLINK

Part #	FSP3604

Description	3W HIGH POWER WHITE LED DRIVER

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Manufacturer	FOSLINK [FOSLINK SEMICONDUCTOR CO.,LTD]

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3W HIGH POWER WHITE LED DRIVER

2007-7-13

2/6

FSP3604

ABSOLUTE MAXIMUM RATINGS

(NOTE 1)

Parameter

Rating

Unit

VIN

- 0.3 ~ +6

V

VSW

- 0.3 ~ +6

A

FB SHDN Voltages

- 0.3 ~ +6

℃

Operating Temperature Range

- 40 ~ +85

℃

Operating Junction Temperature

-40~+125

℃

Lead Temperature (Soldering 5 sec.)

+ 300

℃

Internal Power Dissipation

400

mW

250(θJA)

Thermal Resistance

130(θJC)

℃

/W

Storage Temperature Range

- 65 ~ +125

℃

Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired.

ELECTRICAL CHARACTERISTICS

(VIN= 2.4V, ILED=750mA, VSHDN=VIN, L=2.2uH, CIN=10uF, CO=10uF, TA=25℃, Unless otherwise noted)

Parameter

Condition

Min.

Typ.

Max.

Unit

Input Voltage Range

0.9

VF-0.2

(Note 2)

V

Start-Up Voltage

VIN: 0V→2.4V, ILED = 100mA

0.7

0.9

V

Hold Voltage

VIN: 2.4V→0V, ILED : 750mA→200mA

0.75

V

Switching Frequency

0.85

1.0

1.15

MHz

SHDN Input High

VIN = 1.8V

1.0

SHDN Input Low

VIN = 1.8V

0.4

V

Feedback Voltage

90

95

100

mV

Over Temperature Shutdown

150

℃

Over Temperature Hysteresis

15

℃

Maximum Output Current

Range

750

mA

Quiescent Current

ILED = 0mA, VO = 3.4V

Device Switching at 1MHz

1

3

mA

Shutdown current

Shutdown mode

1

uA

Switch on Resistance

VO = 3.4V

0.1

Ω

Current Limit

VO = 3.4V

2

A

Efficiency

ILED = 750mA

90

%

Note 2: VF: LED Forward Voltage

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