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N2576

NIKO-SEM
Part Number N2576
Manufacturer NIKO-SEM
Description 52 KHz 3A Step-Down Switching Voltage Regulator
Published May 10, 2010
Detailed Description NIKO-SEM 52 KHz 3A Step-Down Switching Voltage Regulator (SVR) FEATURES N2576 TO-263, TO220 GENERAL DESCRIPTION The N...
Datasheet PDF File N2576 PDF File

N2576
N2576

Overview
NIKO-SEM 52 KHz 3A Step-Down Switching Voltage Regulator (SVR) FEATURES N2576 TO-263, TO220 GENERAL DESCRIPTION The N2576 Series switching voltage regulators (SVR) are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, B o t h s e r ie s a re ca p a b l e o f d r i v i n g 3 A load respectively with excellent line and load regulation.
The N2576 Series SVR include a switching regulator and compensation network all within the same package.
Just add a choke, www.
DataSheet4U.
com catch diode and two capacitors to obtain an efficient DC-to-DC converter.
The output switch includes cycle-by-cycle current limit -ing, as well as thermal shutdown for full protection under fault conditions.
The N2576 Series SVR offer replacement for popular 3 terminal linear regulators by providing higher efficiency with reduced heat sink size.
In many applications a heat sink will not be required.
z Pin compatible with industry products of LM2576 Series z Adjustable output versions z Wide output voltage range, 1.
23V to 27V for adjustable output version z DC-to-DC buck converter requiring only 4 external parts z 52 KHz fixed frequency internal oscillator z TTL shutdown capability, low power stand -by mode z High efficiency z Uses readily available standard inductors APPLICATIONS z Simple high-efficiency step-down (buck) regulator z Positive to negative converter (Inverting Buck-Boost) z Isolated Fly back Converter using minimum number of external parts z Powering portable instrument, Set-Top Box, LCD Monitor, Scanner, I.
A, Easy PC z SMPS Post-Regulator TYPICAL APPLICATION 8V - 27V Unregulated DC Input 1 +Vin 3 Gnd Cin 100uF + D1 1N5822 4 N2576 2 5 On/Of f 100uH R1 6.
18K + Cout 1000uF R2 2K Feedback Output L1 +5V, 3A Regulated Output * VOUT = 1.
23V ( 1 + R1 / R2) Adjustable Regulator in Fixed Output Application 1 MAY-31-2001 NIKO-SEM 52 KHz 3A Step-Down Switching Voltage Regulator (SVR) N2576 TO-263, TO220 ABSOLUTE MAXIMU...


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