參數(shù)資料
型號(hào)： AND8079
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(yè)數(shù)： 12/20頁(yè)
文件大?。?/td> 150K
代理商： AND8079
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
AND8079D A Low Cost DDR Memory Power Supply Using the NCP1571 Synchronous Buck Converter and a LM358 Based Linear Voltage Regulator
AND8085 An Introduction to FST
AND8085D An Introduction to FST
AND8090 AC Characteristics of ECL Devices
AND8090D AC Characteristics of ECL Devices
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AND8079D 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:A Low Cost DDR Memory Power Supply Using the NCP1571 Synchronous Buck Converter and a LM358 Based Linear Voltage Regulator
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
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