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MAX1544 Datasheet, PDF (18/42 Pages) Maxim Integrated Products – Dual-Phase, Quick-PWM Controller for AMD Hammer CPU Core Power Supplies | |||
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Dual-Phase, Quick-PWM Controller for
AMD Hammer CPU Core Power Supplies
POWER
GOOD
R13
10â¦
R12
100kâ¦
C2
1µF
DAC INPUTS
VDD
VCC
MAX1544
V+
VROK
BSTM
D0
D1
D2
DHM
D3
D4
LXM
SUSPEND INPUTS
(FOUR-LEVEL LOGIC)
ON
OFF
RTIME
64.9kâ¦
CCCV
47pF
S0
S1
SHDN
TIME
CCV
DLM
PGND
GND
CMN
CMP
OAIN+
OAIN-
CREF
REF (300kHz)
TON
0.22µF
REF
R9
R8
49.9k⦠100kâ¦
±1% ±1%
ILIM
REF
C3
100pF
R6
30.1kâ¦
±1%
OFS
R7
158kâ¦
±1%
VCC (OVP ENABLED)
OVP
PWM
SKIP
SKIP
SUS
POWER GROUND
ANALOG GROUND
FB
CCI
CSP
CSN
BSTS
DHS
LXS
DLS
GNDS
5V BIAS
C1 SUPPLY
2.2µF
BST
DIODES
CBST1
0.22µF
NH1
INPUT*
CIN
7V TO 24V
RSENSE1
L1
1.0mâ¦
COUT
NL1
R1
1.5kâ¦
±1%
CCCI
470pF
CBST2
0.22µF
NH2
NL2
R3
R2
1kâ¦
1kâ¦
±1%
±1%
R10
1.5kâ¦
±1%
OUTPUT
R4
1kâ¦
±1%
R5
1kâ¦
±1%
CIN
RSENSE2
L2
1.0mâ¦
COUT
*LOWER INPUT VOLTAGES
REQUIRE ADDITIONAL
INPUT CAPACITANCE.
Figure 1. Standard Two-Phase AMD Mobile 60A Application Circuit
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