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LP3310B6F Datasheet(PDF) 1 Page - Lowpower Semiconductor inc |
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LP3310B6F Datasheet(HTML) 1 Page - Lowpower Semiconductor inc |
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1 / 9 page  LP3310-00 Jan.-2018 Email: marketing@lowpowersemi.com www.lowpowersemi.com Page 1 of 9 Preliminary Datasheet LP3310 High Performance, Constant Current Switching Regulator For 8PCS White LED In Series General Description The LP3310 is a 1.0MHz PWM boost switching regulator designed for constant-current white LED driver applications. The LP3310 can drive a string of up to 8 white LEDs in series, ensuring uniform brightness and eliminating several ballast resistors. The LP3310 implements a constant frequency 1.0MHz PWM control scheme. The high frequency PWM operation also saves board space by reducing external component sizes. To improve efficiency, the feedback voltage is set to 250mV, which reduces the power dissipation in the current setting resistor. Highly integration and internal compensation network minimizes as 5 external component counts. Optimized operation frequency can meet the requirement of small LC filters value and low operation current with high efficiency. Order Information LP3310 F: Pb-Free Package Type B6: SOT23-6 QV:TDFN-6 Applications WLED Backlight driver OLED Backlight driver PDA MID/PTV Features Input voltage Range: 2.7V to 24V Up to 94% efficiency Shut-down current:<1uA Output voltage Up to 28V Support down to 1% Dimming Duty Cycle Internal Compensation, Soft-start 1.0MHz fixed frequency switching High switch on current:4A Available in SOT23-6&TDFN-6 Package Typical Application Circuit VIN EN NC LX 6 4 1 5 2 GND LED+ VIN 4.7uH C2 2.2uF R1 12Ω C1 10uF FB 3 LED- Marking Information Device Marking Package Shipping LP3310B6F LPS FcYWX SOT23-6 3K/REEL LP3310QVF LPS FcYWX TDFN-6 4K/REEL Marking indication: Y:Production year W:Production week X:Production batch |
Similar Part No. - LP3310B6F |
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Similar Description - LP3310B6F |
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