LX1676CPW Microsemi Analog Mixed Signal Group, LX1676CPW Datasheet
LX1676CPW
Specifications of LX1676CPW
Related parts for LX1676CPW
LX1676CPW Summary of contents
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... The upper MOSFET drivers will use a bootstrap capacitor to provide the upper drive voltage over the input voltage range volts. http://www.microsemi.com Plastic TSSOP LQ 38-Pin RoHS Compliant / Pb-free Transition DC: 0512 LX1676CPW Microsemi Integrated Products Division LX1676 RODUCTION ATA HEET High Current Biphase Operation Outputs As Low As 0.925V TM † ...
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Supply Input Voltage (VCCL, VCC)................................................-0.3V to 6.0V Battery Input Voltage (VIN) ..............................................................-0.3V to 24V Current Limit Sense ...
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TM Name FB+ Differential Amplifier Positive Input – Feedback from output FB- Differential Amplifier Negative Input – Feedback from output DFOUT Differential Amplifier Output EA1- Phase 1 Error Amplifier Negative Input EO1 Phase 1 Error Amplifier Output GND Analog Ground ...
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TM Unless otherwise specified, the following specifications apply over the operating ambient temperature 0°C otherwise noted and the following test conditions: VCC = 5V, VCCL = 5V, VIN = 12V, Switching Frequency = 500KHz. Parameter REGULATOR IC Supply Current Low ...
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Unless otherwise specified, ...
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Unless otherwise specified, ...
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TM Diff Amp - DACOUT 50µA DAC VID0 DACOUT - 30mV VID1 VID2 DACOUT 0.85 VID3 VID4 2.35 Band- gap VCC VIN PWGD PGOOD DACOUT VIN V AMP IN ROSC FRQ 0° OSC 180° VCC PGN ...
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TM C2 4700pF CORE FB- CORE FB FB- R6 4.02K 2 DFOUT R7 100K 3 EO1 +5VP 4 EA1 0.22µF DACOUT C4 6 4700pF PWRGD Q1 7 GND C7 10µF NDS7002A 25V 8 VIN ...
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ENERAL ESCRIPTION The LX1676 is a voltage-mode pulse-width modulation controller integrated circuit. The PWM frequency is programmable from 200kHz to 1MHz. The device has external compensation, for more flexibility of the loop response. The LX1676 also makes ...
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VER URRENT ROTECTION The hysteretic phase has ...
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HEORY OF PERATION FOR ...
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OOP AIN UTOMATIC COMPENSATION The PWM ramp shown ...
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UTPUT NDUCTOR The output inductor should be selected to meet the requirements of the output voltage ripple in steady-state operation and the inductor current slew-rate during transient. The peak-to-peak output voltage ripple is: V ESR = × ...
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OFT TART APACITOR An external soft-start capacitor is connected to the DACOUT pin and will be charged, or discharged linear rate by the internal 50uA bi-directional current source after the UVLO circuit has been ...
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TM PW 38-Pin Thin Small Shrink Outline (TSSOP 38-Pin Plastic MLPQ (5x7mm EP Copyright © 2000 Revision: 1.0, 4/12/2005 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: ...
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TM PRODUCTION DATA – Information contained in this document is proprietary to Microsemi and is current as of publication date. This document may not be modified in any way without the express written consent of Microsemi. Product processing does not ...