LT3758IMSE#PBF

LT3758IMSE#PBF, SEPIC and Inverting Controller, MSOP, 5.5V, 100V, Linear Technology

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Price:: US $1.00~1.40 / piece [Get Latest Price]

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PartNumber:: LT3758IMSE#PBF

Brand:: Linear Technology - Linear | Pack: MSOP | D/C: 09+

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Products Upload time: 2012-10-08

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Part Number:LT3758IMSE#PBF
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Product Summary

The LT3758IMSE#PBF is a wide input range, current mode, DC/DC controller which is capable of generating either positive or negative output voltages. It can be configured as either a boost, flyback, SEPIC or inverting converter. The LT3758IMSE#PBF drives a low side external N-channel power MOSFET from an internal regulated 7.2V supply. The fixed frequency, current-mode architecture results in stable operation over a wide range of supply and output voltages. The operating frequency of LT3758IMSE#PBF can be set with an external resistor over a 100kHz to 1MHz range, and can be synchronized to an external clock using the SYNC pin. A minimum operating supply voltage of 5.5V, and a low shutdown quiescent current of less than 1μA, make the LT3758 ideally suited for battery-powered systems. The LT3758IMSE#PBF features soft-start and frequency foldback functions to limit inductor current during start-up and output short-circuit. The applications of the LT3758IMSE#PBF include Automotive, Telecom and Industrial.

Parametrics

LT3758IMSE#PBF absolute maximum ratings: (1)VIN, SHDN/UVLO: 100V; (2)INTVCC: VIN + 0.3V, 20V; (3)GATE: INTVCC + 0.3V; (4)SYNC: 8V; (5)VC, SS: 3V; (6)RT: 1.5V; (7)SENSE: ±0.3V; (8)FBX: –6V to 6V; (9)Operating Temperature Range (Note 2): –40℃ to 125℃; (10)Maximum Junction Temperature: 125℃; (11)Storage Temperature Range: –65℃ to 125℃.

Features

LT3758IMSE#PBF features: (1)Wide Input Voltage Range: 5.5V to 100V; (2)Positive or Negative Output Voltage Programming with a Single Feedback Pin; (3)Current Mode Control Provides Excellent Transient Response; (4)Programmable Operating Frequency (100kHz to 1MHz) with One External Resistor; (5)Synchronizeable to an External Clock; (6)Output Overvoltage Protection; (7)Low Shutdown Current < 1μA; (8)Internal 7.2V Low Dropout Voltage Regulator; (9)Programmable Input Undervoltage Lockout with Hysteresis; (10)Programmable Soft-Start.