參數(shù)資料
型號: L6919ETR
廠商: 意法半導(dǎo)體
英文描述: 5 BIT PROGRAMMABLE DUAL-PHASE CONTROLLER WITH DYNAMIC VID MANAGEMENT
中文描述: 5位可編程雙相與動態(tài)VID管理控制器
文件頁數(shù): 31/33頁
文件大?。?/td> 606K
代理商: L6919ETR
31/33
L6919E
Figure 29 shows the mosfets temperature versus output current in steady state condition without any air-flow
or heat sink. It can be observed that the mosfets are under 105°C in any conditions. Load regulation is also re-
ported from 10A to 55A.
Figure 29. Mosfet Temperature and Load Regulation.
Figure 30 shows the system response to a load transient from 3A to 45A. The output voltage is contained in the
±50mV range. Additional output capacitors can help in reducing the initial voltage spike mainly due to the ESR.
Figure 30. 3A to 45A Load Transient Response
Figure 31 shows the system response to a VID transient from 1.200V to 0.800V and vice versa at minimum load (3A).
Figure 31. Dynamic VID Response
25
35
45
55
65
75
85
95
105
115
0
5
10
15 20 25 30 35
40 45 50 55
60
Output Current [A]
o
C
High-side M OS Q2
High-side M OS Q4
Low-side M OS Q1
Low-side M OS Q3
1.155
1.165
1.175
1.185
1.195
1.205
1.215
1.225
1.235
0
5
10 15 20 25 30 35 40 45 50 55 60
Output Current [A]
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