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參數(shù)資料
| 型號(hào)： | APW704510NC-TU |
| 廠商： | Anpec Electronics Corporation |
| 英文描述： | Niobium Oxide Capacitor; Capacitor Type:Solid; Voltage Rating:4VDC; Capacitor Dielectric Material:Niobium Oxide; Capacitance:220uF; Capacitance Tolerance:+/- 20%; ESR:0.4ohm; Operating Temp. Max:105 C; Operating Temp. Min:-55 C RoHS Compliant: Yes |
| 中文描述： | 先進(jìn)的PWM和線(xiàn)性功率控制器 |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大小： | 121K |
| 代理商： | APW704510NC-TU |
Copyright
ANPEC Electronics Corp.
Rev.A.5 - Jan., 2003
APW 7045
www.anpec.com.tw
1
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise
customers to obtain the latest version of relevant information to verify before placing orders.
The APW7045 integrates PWM controller and linear
controller, as well as the monitoring and protection
functions into a single package, which provides two
controlled power outputs with over-voltage and over-
current protections. The PWM controller regulates
the DDR termination voltage (1.25V) or GPU Voltage
(2.05V) with a synchronous-rectified buck converter.
The linear controller regulates the Memory Voltage
(2.5V). The pre cision reference and voltage-mode
PWM control provide
±
1
%
static regulation. The lin-
ear controller drives an external N-channel MOSFET
to provide adjustable voltage.
The APW7045 moni-
tors two output voltages, and a single Power Good
signal is issued when the PWM voltage is within
±
10
%
of the DAC setting and the lineat regulator output level
is above under-voltage threshold. Additional built-in
over-voltage protection for the PWM output uses the
lower MOSFET to prevent output voltages above 115
%
of the DAC setting. The PWM over-current function
monitors the output current by using the voltage drop
across the upper MOSFET’s R
, eliminating the
need for a current sensing resistor.
Features
2 Regulated Voltage are provided
Switching Power for Fixed Voltage (1.0V)
Linear Regulator for V
MEM
(2.5V)
Simple Single-Loop Control Design
Voltage-Mode PWM Control
Excellent Output Voltage Regulation
PWM Output: ±1%
Linear Output: ±3%
Fast Transient Response
High-Bandwidth Error Amplifier
Full 0% to 100% Duty Ratio
Power-Good Output Voltage Monitor
Over-Voltage and Over-Current Fault Monitors
Small Converter Size
200KHz Free-Running Oscillator ;
Progammable from 50KHz to 800KHz
Reduce External Component Count
Applications
Motherboard Power Regulation for Computers
Low-Voltage Distributed Power Supplies
VGA Card Power Regulation
DDR SDRAM Power Regulation
General Description
Advanced PWM and Linear Power Controller
Pin Description
FB2
LGATE
OCSET
PGND
UGATE
PHASE
DRIVE
VCC
GND
VSEN1
FB1
COMP
1
11
10
12
9
13
16
8
14
15
7
6
5
4
3
2
SD
SS
FAULT
PGOOD
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| APW7045 | Advanced PWM and Linear Power Controller |
| APW7045K | Advanced PWM and Linear Power Controller |
| APW7045N | Advanced PWM and Linear Power Controller |
| APW7047 | Dual Advanced PWM and Source-Sink Linear Controller |
| APW7047K | Dual Advanced PWM and Source-Sink Linear Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| APW7045K | 制造商:ANPEC 制造商全稱(chēng):Anpec Electronics Coropration 功能描述:Advanced PWM and Linear Power Controller |
| APW7045N | 制造商:ANPEC 制造商全稱(chēng):Anpec Electronics Coropration 功能描述:Advanced PWM and Linear Power Controller |
| APW7046 | 制造商:ANPEC 制造商全稱(chēng):Anpec Electronics Coropration 功能描述:Dual Advanced PWM and Source-Sink Linear Controller |
| APW7046AKC-TR | 制造商:ANPEC 制造商全稱(chēng):Anpec Electronics Coropration 功能描述:Dual Advanced PWM and Source-Sink Linear Controller |
| APW7046AKC-TRL | 制造商:ANPEC 制造商全稱(chēng):Anpec Electronics Coropration 功能描述:Dual Advanced PWM and Source-Sink Linear Controller |
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