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LP6230B Datasheet(PDF) 1 Page - Lowpower Semiconductor inc |
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LP6230B Datasheet(HTML) 1 Page - Lowpower Semiconductor inc |
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1 / 7 page  LP6230B May.-2014 Email: marketing@lowpowersemi.com www.lowpowersemi.com Page 1 of 7 Preliminary Datasheet LP6230B High Efficiency 2.4A Boost DC/DC Convertor General Description The LP6230B is a current mode boost DC-DC converter. Its PWM circuitry with built-in 0.16Ω, 2.4A current power MOSFET makes this converter highly power efficiently. The LP6230B implements a constant frequency 1MHz PWM control scheme. The high frequency PWM operation also saves board space by reducing external component sizes. The LP6230B features automatic shifting to pulse frequency modulation mode at light loads.Highly integration and internal compensation network minimizes as 6 external component counts. Optimized operation frequency can meet the requirement of small LC filters value and low operation current with high efficiency. The LP6230B includes under-voltage lockout, current limiting, and thermal overload protection to prevent damage in the event of an output overload. The LP6230B is available in a small 8-pin MSOP8 package. Order Information LP6230B □ □ □ F: Pb-Free Package Type MS: MSOP8 Applications Battery products Host Products Panel Features Up to 94% efficiency Shut-down current:<1uA Output voltage Up to 18V Internal Compensation 1MHz fixed frequency switching High switch on current:2.4A Available in MSOP8 Package Typical Application Circuit VIN EN FB LP6230B 5V 4.7uH VIN C2 22uF R2 15k R1 110K C1 22uF Chip Control C3 22pF Marking Information Device Marking Package Shipping LP6230B MSOP8 3K/REEL |
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