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PDF N3004 Data sheet ( Hoja de datos )
| Número de pieza | N3004 | |
| Descripción | 5 Bit Programmable Synchronous Buck Converter with Dual LDOs | |
| Fabricantes | ETC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de N3004 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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NIKO-SEM
5 Bit Programmable Synchronous
Buck Converter with Dual LDOs
N3004
GENERAL DESCRIPTION
The N3004 is a 5 bit TTL-compatible input,
digital-to-analog (DAC) programmable, syn-
chronous buck converter with dual LDOs
controller designed specifically to power the
Pentium ® II as well as the next generation of
P6 family or other high performance core
logic in desktop personal computer and file
servers CPU applications.
The N3004 switching section provides pro-
grammability of output voltage from 1.3V to
2.05V in 50mV steps and 2.0V to 3.5V in 100
mV increments and the linear sections use
external N-Channel power MOSFETs to
provide fixed output voltages of 1.5V for GTL
bus and 2.5V for clock.
The N3004 monitors all the output voltages.
A signal Power-Good signal is issued when
the core is within ±15% of the DAC setting.
Additional features are built-in over-voltage,
over-current protections for the core output
and logic compatible shutdown.
FEATURES
z Synchronous operation with high efficiency
z TTL-compatible 5 bit DAC, output voltage
selection from 1.3V to 3.5V programmable
z Fast transient response
z Provides 2 regulated voltages, 1.5V and
2.5V for linear section
z Power-Good output voltage monitor
z Over-Voltage and Over-Current protection
z Logic level enable input
z High performance and low cost solution
APPLICATIONS
z Powering Pentium, ® II, III or Deschutes,
K6 and other advanced processor
z High power DC to DC controller with triple
output supplies
TYPICAL APPLICATION
12V
+
ENABLE
VID 0~4
POWER-GOOD
LINEAR
SECTION
SWITCHING
SECTION
5V
+
3.3V
+
VCORE
+
1.5V
GTC
+ BUS
2.5V
CLOCK
+
N3004, Motherboard Power Regulation for Computers
1 JAN-10-Y02
1 page  
NIKO-SEM
5 Bit Programmable Synchronous
Buck Converter with Dual LDOs
N3004
OUTPUT SET POINT VOLTAGE vs VID CODES
Vs
1.30
1.35
1.40
1.45
1.50
1.55
1.60
1.65
1.70
1.75
1.80
1.85
1.90
1.95
2.00
2.05
2.00
2.10
2.20
2.30
2.40
2.50
2.60
2.70
2.80
2.90
3.00
3.10
3.20
3.30
3.40
3.50
VID4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
− Table 1 −
VID3
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
VID2
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
VID1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
VID0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
5 JAN-10-Y02
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet N3004.PDF ] | |
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