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FSP3604CAD Datasheet(PDF) 1 Page - FOSLINK SEMICONDUCTOR CO.,LTD |
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FSP3604CAD Datasheet(HTML) 1 Page - FOSLINK SEMICONDUCTOR CO.,LTD |
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1 / 6 page  3W HIGH POWER WHITE LED DRIVER 2007-7-13 1/6 FSP3604 APPLICATIONS White LED Torch (Flashlight) White LED Camera Flash DSC (Digital Still Camera)Flash Cellular Camera Phone Flash PDA Camera Flash Camcorder Torch (Flashlight) Lamp PIN CONFIGURATION (Top View) TYPICAL APPLICATION CIRCUIT Pin Number Pin Name Pin Function 1 SW Power Switch Pin. 2 GND Ground Pin 3 FB Feedback Pin 4 SHDN Chip Shutdown Signal Input 5 VOUT Power Output Pin. 6 VIN Power Supply Input. FEATURES LED Power Efficiency: up to 90% 1MHz Switching Frequency Uses small, Low Profile External Components Low Start-Up Voltage: 0.9V(ILED =270mA) Low RDS(ON) : 100mΩ (TYP.) Open LED Protection Over Temperature Protection Low Profile SOT23-6L Package GENERAL DESCRIPTION The FSP3604 is a step up DC-DC converter that delivers a regulated output current. The device switches at a 1.0MHz constant frequency, allowing for the use of small value external inductor and ceramic capacitors. The FSP3604 is targeted to be used for driving loads up to 1A from a two-cell alkaline battery. The LED current can be programmed by the external current sense resistor, Rs, connected between the feedback pin (FB) and ground. A low 95mV feedback voltage reduces the power loss in the Rs for better efficiency. With its internal 2A, 100mΩ NMOS switch, the device can provide high efficiency even at heavy load. During the shutdown mode, the feedback resistor Rs and the load are completely disconnected and the current consumption is reduced to less than 1uA. 2 3 6 54 1 SW GND FB VIN VOUT SHDN |
Similar Part No. - FSP3604CAD |
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Similar Description - FSP3604CAD |
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