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AIC2573

Analog Intergrations Corporation
Part Number AIC2573
Manufacturer Analog Intergrations Corporation
Description DC/DC Controller
Published Oct 5, 2016
Detailed Description AIC2573 Synchronous Buck DC/DC Controller FEATURES High Efficiency: Up to 93% Single-Powered N-channel MOSFETs Synchron...
Datasheet PDF File AIC2573 PDF File

AIC2573
AIC2573

Overview
AIC2573 Synchronous Buck DC/DC Controller FEATURES High Efficiency: Up to 93% Single-Powered N-channel MOSFETs Synchronous Driver Wide Input Voltage Operation Range 4.
5V to 25V Accurate Internal temperature compensated 0.
8V Bandgap Reference Voltage with ±1% precision.
Fast Transient Response - Duty cycle 0% to 95 % PWM Operation at 300KHz Built-in Soft-Start function.
Over Voltage Protection with Latch Up.
Under Voltage Protection at Vout with Latch Up.
Over Current Protection.
Package: MSOP10 APPLICATIONS Information Appliances LCD TV Graphic Card Telecomm Equipments GENERAL DESCRIPTION The AIC2573 is a voltage mode synchronous buck PWM controller that drives external N-channel power MOSFET using a 300kHz fixed frequency architecure.
This device is capable of producing an output voltage as low as 0.
8V.
It uses external divider to adjust output voltage with the exact right line and load regulation.
The AIC2573 provides adjustable overcurrent protection threshold from external component, fixed threshold both undervoltage and overvoltage protection.
LDO is built in to provide AIC2573 logic power source, and application circuit just uses one single power supply.
A multifunction pin (COMP) allows external compensation for optimum load step response and shutdown.
Soft start can also be implemented with this pin to properly sequence supplies.
The AIC2573 is available in space-saving 10 pins MSOP package.
Analog Integrations Corporation Si-Soft Research Center 3A1, No.
1, Li-Hsin Rd.
I , Science Park , Hsinchu 300, Taiwan , R.
O.
C.
TEL: 886-3-5772500 FAX: 886-3-5772510 www.
analog.
com.
tw DS-2573G-01 061008 1 TYPICAL APPLICATION CIRCUIT AIC2573 Fig.
1 General Application Circuit ORDERING INFORMATION AIC2573X XX XX PACKING TYPE TR: TAPE & REEL TB: TUBE PACKAGING TYPE OB: MSOP-10 P: Lead Free Commercial G: Green Package Example: AIC2573POBTB In MSOP-10 Package & Taping & Reel Packing Type PIN CONFIGURATION (MSOP10) TOP VIEW OCSET 1 VCC 2 COMP 3 FB 4 GND 5 AIC2573...


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