MAX1711 Maxim, MAX1711 Datasheet - Page 24

• Manufacturer Part Number: MAX1711
• Description: High-Speed / Digitally Adjusted Step-Down Controllers for Notebook CPUs
• Manufacturer: Maxim

High-Speed, Digitally Adjusted
Step-Down Controllers for Notebook CPUs
24
Figure 10. 15A Dynamically Adjustable Notebook CPU Supply with Battery-Surge Current Limiting
INPUTS
DAC
______________________________________________________________________________________
ON/OFF
LSB
MSB
10V TO 22V
V
BATT
0.22 F
470pF
0.1 F
N.C.
1000pF
1000pF
1000pF
1000pF
10
20
19
18
17
16
1k
1k
1k
1k
9
5
2
8
REF
CC
GND
SHDN
D0
D1
D2
D3
D4
TON
V
CC
7
20
MAX1711
12
13
10
9
4
5
1
2
TRANSITION DETECTOR
V
DD
A4
B4
A3
B3
A2
B2
A1
B1
15
200k
40k
1%
1%
PGOOD
GND
PGND
GNDS
SKIP
7
BST
FBS
V+
I
DH
LIM
LX
DL
FB
1
6
V
11
12
21
CC
Y4
Y3
Y2
Y1
22
24
23
13
14
3
4
+5V INPUT
14
11
8
6
3
2
+3.3V
2N7002
1N4148
1N4148
1N4148
1N4148
0.1 F
CMPSH3
1 F
0.1 F
1k
IRF7805
2 x IRF7805
6 x 10 F/25V CERAMIC
+3.3V
1 H/20A
MAX986
30k
2N7002
3M
100k
820pF
5%
10X
220 F
4V
OS-CON
2N7002
100k
1%
TIMER BLOCK
100k
100k
1%
49.9k
1%
2N7002
POWERGOOD
OUTPUT
+1.5V AT 15A
20 F
CERAMIC
30k
2N7002