Datasheet

MAX17021/MAX17082/MAX17482
Dual-Phase, Quick-PWM Controllers for
IMVP-6+/IMVP-6.5 CPU Core Power Supplies
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S
R
Q
R
S
Q
TRIG
Q
ONE-SHOT
GND
DL1
BST1
DH1
LX1
TON
CSP1
CSN1
MINIMUM
OFF-TIME
ILIM
GND
PWRGD
5ms
STARTUP
DELAY
TARGET
- 300mV
TARGET
+ 200mV
REF
(2.0V)
10x
10x
SHDN
TRIG
Q
ONE-SHOT
PHASE 1
ON-TIME
CSP2
CSN2
TRIG
EN2
Q
ONE-SHOT
PHASE 2
ON-TIME
MODE/PHASE/
SLEW-RATE
CONTROL
FB
DPRSTP
(SLOW)
PGDIN
V
DD
CSP2
CSN2
CSN1
CSP1
CCI
FB
BLANK
QQ
T
BST2
DH2
LX2
DL2
GND
LX1
1mV
SKIP
MAIN PHASE
DRIVERS
PSI
DPRSLPVR
EN2
SLEW
SKIP
G
m
(CCI)
200kΩ
CSP_
CSN_
G
m(FB)
D0–D6
x2
CSP_
CSN_
G
m(IMON)
x2
VRHOT
THRM
0.3 x V
CC
GNDS
PHASEGD
CURRENT-
BALANCE
FAULT
GND
60μs
STARTUP
DELAY
G
m
(CCI)
DAC
R-TO-I
CONVERTER
PGDIN
FAULT
TARGET
SLEW
5ms
STARTUP
DELAY
BLANK
SECONDARY
PHASE DRIVERS
MAX17021
(MAX17082/MAX17482)
IMON
FBAC
CLKEN
(MAX17082/
MAX17482)
V3P3
TIME
V
CC
Figure 3. Functional Diagram