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PDF N2576S Data sheet ( Hoja de datos )
| Número de pieza | N2576S | |
| Descripción | 52 KHz 3A Step-Down Switching Voltage Regulator | |
| Fabricantes | NIKO-SEM | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de N2576S (archivo pdf) en la parte inferior de esta página. Total 5 Páginas | ||
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NIKO-SEM
52 KHz 3A Step-Down
N2576
Switching Voltage Regulator (SVR) 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,
Both series are capable of driving
3 A load respectively with excellent line and
load regulation.
The N2576 Series SVR include a switching
regulator and compensation network all
wwww.DitahtainShteheet4Us.caomme package. Just add a choke,
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.
FEATURES
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 mini-
mum 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
N2576
Cin
100uF
+
3
Gnd
5
On/Of f
4 Feedback
Output
2
L1
100uH
D1
1N5822
+
Cout
1000uF
+5V, 3A
Regulated
Output
R1
6.18K
R2
2K
* VOUT = 1.23V ( 1 + R1 / R2)
Adjustable Regulator in Fixed Output Application
1
MAY-31-2001
1 page  
NIKO-SEM
52 KHz 3A Step-Down
N2576
Switching Voltage Regulator (SVR) TO-263, TO220
TO-263 (D2PAK, 5-Lead) MECHANICAL DATA
Dimension
Min.
A 14.5
B 4.2
C 1.20
www.DataSDheet4U.com
E 0.3
F -0.102
G 8.5
mm
Typ.
15
2.8
0.4
9
Max.
15.8
4.7
1.35
0.5
0.203
9.5
Dimension
H
I
J
K
L
M
N
Min.
1.0
9.8
0.7
1.57
mm
Typ.
1.5
6.5
1.5
0.85
1.7
Max.
1.8
10.3
1.0
1.83
5 MAY-31-2001
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet N2576S.PDF ] | |
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