Notebook CPU Step-Down Controller for Intel
-
Mobile Voltage Positioning (IMVP II)
R1
20Ω
5V INPUT
C1
1µF
C7
17
9
BATT 7V TO 24V
1µF
V
V
DD
CC
1
2
SKP/SDN
V+
C2, 25V, X5R
5 x 10µF
D1
10
26
CMPSH-3
SHUTDOWN
TON
BST
2x
2x
IRF7811A
Q1
25
24
V
L1
CC
28
R8
0.004Ω
D0
D1
DH
OUTPUT
0.68µH
0.6V TO 1.75V
C3
0.1µF
SUMIDA
CEP125#4712-TO11
R2
100kΩ
C4
27
16
23
LX
DL
6 x 270µF, 2V
PANASONIC SP
EEFUE0D271R
D2
D2
R3
100kΩ
FDS7764A
Q2
CENTRAL
SEMICONDUCTOR
CMSH5-40
MAX1718
22
21
D3
D4
15
4
GND
FB
19
18
ZMODE
SUS
MUX CONTROL
REF
7
8
SUSPEND
INPUT
DECODER
S0
S1
5
NEG
POS
R4
62kΩ
3
6
TIME
CC
R7
4.75kΩ
C6
47pF
13
5V
C5
R6
511kΩ
0.22µF
R5
100kΩ
POWER-GOOD
OUTPUT
11
12
REF
14
R18
24.9kΩ
VGATE
OVP
20
ILIM
R19
27.4kΩ
Figure 1. Standard Application Circuit
______________________________________________________________________________________ 11
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
