參數(shù)資料
型號: L6919E
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): 30/33頁
文件大?。?/td> 606K
代理商: L6919E
L6919E
30/33
DEMO BOARD ENHANCEMENTS: 1.200V / 52A CPU Power Supply
Considering the same application schematic, minor changes can be done to achieve the 52A thermal output
current required by AMD Hammer processor core. Part list has been modified as follow:
Part List
R2
R1, R20,R21
R3, R4, R5, R6
R7
R8
R9
R10
R11
R12 to R19
147k
Not Mounted
1.5k
1k
1.8k
47k
510
82
0
1%
SMD 0806
SMD 0805
SMD 0805
SMD 0805
SMD 0805
SMD 0805
SMD 0805
SMD 0805
SMD 0805
1%
1%
1%
C1
C2
C3, C4
C5, C6, C7, C8
C9, C10
C11 to C13
C14 to C18
C24
Not Mounted
10n
100n
1
μ
10
μ
or 22
μ
/ 16V
1800
μ
/ 16V
2200
μ
/ 6.3V
100n
SMD 0805
SMD 0805
SMD 0805
SMD 1206
Ceramic
TDK Multilayer Ceramic SMD 1206
Rubycon MBZ
Rubycon MBZ
Radial 10x23
Radial 10x20
SMD 0805
L1, L2
U1
0.8
μ
L6919E
77121 - 4Turns
STMicroelectronics
SO28
Q1, Q1a, Q3, Q3a
Q2, Q4
SUB85N03-04P
SUB70N03-09BP
Vishay-Siliconix
Vishay-Siliconix
D
2
PACK
D
2
PACK
D1, D2
D3, D4
STPS340U
1N4148
STMicroelectronics
STMicroelectronics
SMB
SOT23
S0,S4
S1,S2,S3
Short
Open
STATIC PERFORMANCES
Figure 28 shows the demo board measured efficiency versus load current in steady state conditions without air-
flow at ambient temperature.
Figure 28. System Efficiency
40
45
50
55
60
65
70
75
80
85
90
0
5
10
15
20
25
Output Current [A]
30
35
40
45
50
55
60
E
相關(guān)PDF資料
PDF描述
L6919ETR 5 BIT PROGRAMMABLE DUAL-PHASE CONTROLLER WITH DYNAMIC VID MANAGEMENT
L6924D Li-Ion/Li-Polymer Battery Charger System with Integrated Power Switch
L6928 High efficiency monolithic synchronous step down regulator
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