Rainbow Electronics MAX8760 - Manual (Page 18)

MAX8760
Dual-Phase, Quick-PWM Controller for AMD
Mobile Turion 64 CPU Core Power Supplies
18 ______________________________________________________________________________________
INPUT*
7V TO 24V
OUTPUT
V CC
VROK
SHDN
OFS
POWER
GOOD
OFF
ON
DAC INPUTS
SUSPEND INPUTS
(FOUR-LEVEL LOGIC)
L1
C BST1
0.22 µF
N
H1
N H2
N
L1
C IN
C2
1 µF
C REF
0.22 µF
R13
10 Ω
R12
100k Ω
C CCV
47pF
C
CCI
470pF
C BST2
0.22 µF
R7
0
Ω
C3
OPEN
R10
2k Ω
±1%
R1
2k
Ω
±1%
5V BIAS
SUPPLY
C1
2.2
µF
C OUT
C OUT
*LOWER INPUT VOLTAGES
REQUIRE ADDITIONAL
INPUT CAPACITANCE.
BST
DIODES
SUS
TIME
CCV
SKIP
R SENSE1
1.0m Ω
N
L2
R6
OPEN
R8
100k Ω
±1%
R4
1k Ω
±1%
R5
1k
Ω
±1%
POWER GROUND
ANALOG GROUND
MAX8760
C
IN
REF
TON
REF
R2
1k Ω
±1%
R3
1k
Ω
±1% R
TIME
30.1k Ω
D0
D1
D2
D3
D4
S0
S1
L2
R SENSE2
1.0m Ω
BSTM
DHM
LXM
DLM
PGND
GND
CMN
CMP
V+
OAIN+
OAIN-
REF (300kHz)
FB
CCI
CSP
CSN
BSTS
DHS
LXS
DLS
GNDS
V
DD
ILIM
R9
49.9k Ω
±1%
SKIP
PWM
D5
Figure 1. Standard Two-Phase AMD Mobile 30A Application Circuit