LM5009MM

150 mA, 100V, Step-Down Switching Regulator, Integrated N-Channel MOSFET

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Price:: US $0.50~500.00 / piece [Get Latest Price]

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	US $0.50~500.00

PartNumber:: LM5009MM

Brand:: National Semiconductor - NS | Pack: DIP | D/C: 10+

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Products Upload time: 2011-08-17

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Product Summary

The LM5009MM Step Down Switching Regulator features all of the functions needed to implement a low cost, efficient, Buck bias regulator. This device is capable of driving a 150 mA load current from a 9.5V to 95V input source. The switching frequency of the LM5009MM can exceed 600 kHz, depending on the input and output voltages. The output voltage may be set from 2.5V to 85V. This high voltage regulator contains an N-Channel buck switch and internal startup regulator. The LM5009MM is easy to implement and is provided in the MSOP-8 and the thermally enhanced LLP-8 packages. The LM5009MM is a well suited alternative to a high voltage monolithic or discrete linear solution where the power loss becomes unacceptable. The regulator LM5009MM operation is based on a control scheme using an ON time inversely proportional to VIN. This feature allows the operating frequency to remain relatively constant over load and input voltage variations.

Parametrics

LM5009MM absolute maximum ratings: (1)VIN to RTN: -0.3V to 100V; (2)BST to RTN: -0.3V to 114V; (3)SW to RTN (Steady State): -1V; (4)ESD Rating, Human Body Model: 2kV; (5)BST to VCC: 100V; (6)BST to SW: 14V; (7)VCC to RTN: 14V; (8)All Other Inputs to RTN: -0.3 to 7V.

Features

LM5009MM features: (1)Integrated N-Channel MOSFET; (2)Guaranteed 150 mA output current capability; (3)Ultra-Fast Transient Response; (4)No loop compensation required; (5)Vin feed forward provides constant operating frequency; (6)Switching frequency can exceed 600 kHz; (7)Highly efficient operation; (8)2% accurate 2.5V feedback from -40℃ to 125℃; (9)Internal startup regulator; (10)Intelligent current limit protection; (11)External shutdown control; (12)Thermal shutdown; (13)MSOP-8 and thermally enhanced LLP packages.