LM5022MME+

1A, 10MSOP, 60V, Low Side Controller, -0.3V to 65V, Slope Compensation

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Price:: US $1.30~1.70 / piece [Get Latest Price]

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	US $1.30~1.70

PartNumber:: LM5022MME+

Brand:: National Semiconductor - NS | Pack: DIP | D/C: 11+

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Products Upload time: 2012-01-30

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Product Summary

The LM5022MME+ is a high voltage low-side N-channel MOSFET controller ideal for use in boost and SEPIC regulators. It contains all of the features needed to implement single ended primary topologies. Output voltage regulation is based on current-mode control, which eases the design of loop compensation while providing inherent input voltage feed-forward. The LM5022MME+ includes a start-up regulator that operates over a wide input range of 6V to 60V. The PWM controller is designed for high speed capability including an oscillator frequency range up to 2 MHz and total propagation delays less than 100 ns. Additional features include an error amplifier, precision reference, line under-voltage lockout, cycle-by-cycle current limit, slope compensation, soft-start, external synchronization capability and thermal shutdown. The LM5022MME+ is available in the MSOP-10 package. The applications of the LM5022MME+ are: Boost Converter, SEPIC Converter.

Parametrics

LM5022MME+ absolute maximum ratings: (1)VIN to GND: -0.3V to 65V; (2)VCC to GND: -0.3V to 16V; (3)RT/SYNC to GND: -0.3V to 5.5V; (4)OUT to GND: -1.5V for < 100 ns; (5)All other pins to GND: -0.3V to 7V; (6)Power Dissipation: Internally Limited; (7)Junction Temperature: 150℃; (8)Storage Temperature: -65℃ to +150℃.

Features

LM5022MME+ features: (1)Internal 60V Startup Regulator; (2)1A Peak MOSFET Gate Driver; (3)VIN Range 6V to 60V; (4)Duty Cycle Limit of 90%; (5)Programmable UVLO with Hysteresis; (6)Cycle-by-Cycle Current Limit; (7)External Synchronizable (AC-coupled); (8)Single Resistor Oscillator Frequency Set; (9)Slope Compensation; (10)Adjustable Soft-start; (11)MSOP-10 Package.