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參數(shù)資料
| 型號： | N3004 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 5 Bit Programmable Synchronous Buck Converter with Dual LDOs |
| 中文描述： | 5位可編程同步降壓轉(zhuǎn)換器與雙LDO |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 166K |
| 代理商： | N3004 |
GENERAL DESCRIPTION
1
5 Bit Programmable Synchronous
Buck Converter with Dual LDOs
NIKO-SEM
N3004
JAN-10-Y02
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
N3004, Motherboard Power Regulation for Computers
SECTION
5V
+
+
ENABLE
+
POWER-GOOD
+
VCORE
VID 0~4
SECTION
12V
2.5V
CLOCK
SWITCHING
+
+
LINEAR
3.3V
1.5V
GTC
BUS
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