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NX2158

Microsemi
Part Number NX2158
Manufacturer Microsemi
Description PWM BOOST CONTROLLER
Published Mar 9, 2016
Detailed Description NX2158 PWM BOOST CONTROLLER PRODUCTION DATASHEET Pb Free Product DESCRIPTION FEATURES The NX2158 controller IC is a...
Datasheet PDF File NX2158 PDF File

NX2158
NX2158

Overview
NX2158 PWM BOOST CONTROLLER PRODUCTION DATASHEET Pb Free Product DESCRIPTION FEATURES The NX2158 controller IC is a boost controller IC de- n Single Supply Voltage fom 3V to 5.
5V signed for step up DC to DC converter applications.
The n Programmable Frequency up to 2MHz NX2158 operates at programmable frequency from n Internal Digital Soft Start Function 200kHz to 2MHz and employs cycle by cycle current n Cycle by Cycle Current Limit by Sensing Rdson of limiting by sensing the Rdson of NMOSFET.
NMOSFET Other features of the device are: thermal shutdown, n Pb-free and RoHS compliant adaptive deadband control, internal digital soft start, VCC UVLO and Shutdown capability via the ENBUS pin.
APPLICATIONS n USB 3.
0 3.
3V to 5V conversion TYPICAL APPLICATION VIN 3.
3V 2.
2uH 22uF,X5R VOUT 5V 10 1uF PGOOD EN 10k 2*22uF 1uF VCC LDrv 14k SW HDrv PGND BST 68p FB PGOOD ENBUS RT AGND OCP COMP 22k 10k 15pF 308k 59k 20k 1nF Figure1 - Typical application of NX2158 Devic...


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