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PDF N2576G-3.3 Data sheet ( Hoja de datos )
| Número de pieza | N2576G-3.3 | |
| Descripción | Step-Down Switching Voltage Regulator | |
| Fabricantes | Niko | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de N2576G-3.3 (archivo pdf) en la parte inferior de esta página. Total 5 Páginas | ||
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NIKO-SEM
52 KHz 3A Step-Down
Switching Voltage Regulator (SVR)
N2576G-3.3
TO-220, TO263
Lead-Free
GENERAL DESCRIPTION
The N2576G 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 N2576G Series SVR include a
switching regulator and compensation
network all within the same 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 N2576G 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
l Pin compatible with industry products of
LM2576G Series
l Fixed 3.3V output version
l Wide output voltage range, 1.23V to 27V
for adjustable output version
l DC-to-DC buck converter requiring only 4
external parts
l 52 KHz fixed frequency internal oscillator
l TTL shutdown capability, low power stand
-by mode
l High efficiency
l Uses readily available standard inductors
APPLICATIONS
l Simple high-efficiency step-down (buck)
regulator
l Positive to negative converter (Inverting
Buck-Boost)
l Isolated Fly back Converter using mini-
mum number of external parts
l Powering portable instrument, Set-Top
Box, LCD Monitor, Scanner, I.A, Easy PC
l SMPS Post-Regulator
TYPICAL APPLICATION
8V - 27V
Unregulated
DC Input
+Vin 1
N2576
3
Gnd
Cin
100uF
5
On/Off
4 Feedback
2 Output L1
100uH
D1
1N5822
+3.3V,3A
Regulated
Output
Cout
1000uF
1 Feb-02-2005
1 page  
NIKO-SEM
52 KHz 3A Step-Down
Switching Voltage Regulator (SVR)
N2576G-3.3
TO-220, TO263
Lead-Free
TO-263 (D2PAK, 5-Lead) MECHANICAL DATA
Dimension
Min.
mm
Dimension
Typ. Max.
Min.
A 14.5 15 15.8 H 1.0
B 4.2
4.7 I 9.8
C 1.20
1.35
J
D 2.8 K
E 0.3 0.4 0.5 L 0.7
F -0.102
0.203
M
1.57
G 8.5 9 9.5 N
mm
Typ.
1.5
6.5
1.5
0.85
1.7
Max.
1.8
10.3
1.0
1.83
5 Feb-02-2005
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet N2576G-3.3.PDF ] | |
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