- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄378405 > AND8079D (ON SEMICONDUCTOR) A Low Cost DDR Memory Power Supply Using the NCP1571 Synchronous Buck Converter and a LM358 Based Linear Voltage Regulator PDF資料下載
參數(shù)資料
| 型號： | AND8079D |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | A Low Cost DDR Memory Power Supply Using the NCP1571 Synchronous Buck Converter and a LM358 Based Linear Voltage Regulator |
| 中文描述： | 一種低成本的DDR記憶體電源使用NCP1571同步降壓轉(zhuǎn)換器和基于線性穩(wěn)壓器1 LM358 |
| 文件頁數(shù)： | 12/20頁 |
| 文件大小： | 150K |
| 代理商： | AND8079D |
AND8079/D
http://onsemi.com
12
Figure 20. Switching Noise Reflected to the 5.0 V Input Power Supply with a Transient Load I
Vdd
= 0 to 8.0 A,
I
Vtt
= 0 to 4.0 A Sourcing (i.e. –2.0 A Sinking to +2.0 A Sourcing Transient Current Load) and V
REF
= 2.45 mA
Channel 1: 5.0 V Input Voltage
Channel 2: Transient current load of I
Vdd
= 0 to 8.0 A
Table 1: Component temperature measured in still air at an
ambient temperature of 23 C. The load conditions were:
1. V
dd
Transient current load I
Vdd
= 0 to 8.0 A
2. V
tt
Transient current load I
Vtt
= 0 to 4.0 A
sourcing (i.e. –2.0 A sinking to +2.0 A sourcing
transient current load)
3. Steady state V
REF
current load I
REF
= 2.5 mA
Table 1.
Circuit
Component
Temperature ( C)
V
dd
FET Diode (Q
1
)
41.6
V
dd
Top FET (Q
2
)
54.2
V
dd
Bottom FET (Q
3
)
56.4
V
dd
Input Inductor (L
1
)
42.1
V
dd
Output Inductor (L
2
)
57.9
V
dd
Input Capacitor (C
2
)
33.0
V
dd
Output Capacitor (C
10
)
31.2
V
dd
NCP1571 (U
1
)
55.0
V
tt
LM358 (U
2
)
46.2
V
tt
Top FET (Q
4
)
42.1
V
tt
Bottom FET (Q
5
)
49.3
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AND8085 | An Introduction to FST |
| AND8085D | An Introduction to FST |
| AND8090 | AC Characteristics of ECL Devices |
| AND8090D | AC Characteristics of ECL Devices |
| AND8094 | Three New Tiny Switches Facilitate Video Switching |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AND8085 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:An Introduction to FST |
| AND8085D | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:An Introduction to FST |
| AND8090 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:AC Characteristics of ECL Devices |
| AND8090D | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:AC Characteristics of ECL Devices |
| AND8094 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Three New Tiny Switches Facilitate Video Switching |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。