參數(shù)資料
型號: LX1668
廠商: Microsemi Corporation
英文描述: PROGRAMMABLE MULTIPLE OUTPUT DC:DC CONTROLLER
中文描述: 可編程多重輸出直流:DC控制器
文件頁數(shù): 9/15頁
文件大小: 371K
代理商: LX1668
P
ROGRAMMABLE
M
ULTIPLE
O
UTPUT
DC:DC C
ONTROLLER
LX1668
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
9
Copyright 1999
Rev. 1.0 4/99
P
R O D U C T I O N
D
A T A
S
H E E T
B I L L O F M AT E R I A L S
LX1668 Bill of Materials
(Refer to Product Highlight)
U1
C1
C2
C4, C6
C5
C7, C8, C9
C3
CSS
Q1
Q2
Q3
R
SENSE
R1
R2
L1
L2
Controller IC
Capacitor, 1500μF, 6.3V, 44m
ESR
Capacitor, 1500μF, 6.3V, 44m
ESR
Capacitor, 330μF, Electrolytic
Capacitor, 22μF, Electrolytic
Capacitor, 1μF, SMD
Capacitor, 1μF, SMD, 16V
Capacitor, 0.1μF, SMD
MOSFET (low R
DS(ON)
)
MOSFET (low R
DS(ON)
)
MOSFET
Sense Resistor, 2.5m
Resistor, 0
(see Table 6)
Resistor, 2.5m
(see Table 6)
Inductor, 2 - 3μH
Inductor, 1μH
LX1668 - LinFinity
MV-GX Sanyo
MV-GX Sanyo
MV-GX Sanyo
MV-GX Sanyo
1
6
3
2
2
2
1
1
1
1
1
1
1
1
1
1
IRL3102/3103, International Rectifier
IRL3303/3103, International Rectifier
IRLZ44N, International Rectifier
PCB trace
SMD
SMD
HM00-97713 or HM00-98637, BI Technologies
Total Number of Components
26
Optional Components for Over-Voltage Protection and Power Good Signal
Q4
SCR
R3
Resistor, 10k
2N6504
SMD
1
1
Ref
Description
Part Number / Manufacturer
Qty.
FIGURE 6
— Pentium III Processor Power Supply (Whitney / Camino Chipsets)
1k
1
LM358
V
CC
V
CC1
V
C
Clock
Camino/Whitney
Chipset
1.8V @ 3A
RIMM
Memory
220μF
220μF
220μF
220μF
12V
GTL+
CPU
LX1668
5V
3.3V
12V
1.5 - 2V @ 16A
[VRM 8.2/8.4]
1.5V @ 3A
2.5V @ 0.2A
2.5V @ 2A
V
Synch.
Switcher
External
LDO
A P P L I C AT I O N C I R C U I T
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