Owner's manual

MAX17030/MAX17036
1/2/3-Phase Quick-PWM
IMVP-6.5 VID Controllers
8 _______________________________________________________________________________________
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
VALLEY CURRENT LIMIT, DROOP, CURRENT BALANCE, AND CURRENT MONITOR
V
TIME
- V
ILIM
= 100mV 7 13
V
TIME
- V
ILIM
= 500mV 45 55
Current-Limit Threshold Voltage
(Positive)
V
LIMIT
V
CSP_
- V
CSN_
ILIM = V
CC
20 25
mV
Current-Limit Threshold Voltage
(Negative) Accuracy
V
LIMIT(NEG)
V
CSP_
- V
CSN_
, nominally -125% of V
LIMIT
-4 +4 mV
CSP_, CSN_ Common-Mode
Input Range
0 2 V
Phases 2, 3 Disable Threshold Measured at CSP2, CSP3 3
V
CC
-
0.4
V
Droop Amplifier Offset
(1/N) x (V
CSP_
- V
CSN_
) at I
FBAC
= 0;
indicates summation over all power-up
enabled phases from 1 to N, N = 3
-1 +1
mV/
phase
Droop Amplifier
Transconductance
G
m(FBAC)
I
FBAC
/[(V
CSP_
- V
CSN_
)]; indicates
summation over all power-up enabled
phases from 1 to N, N = 3,
V
FBAC
= V
CSN_
= 0.45V to 1.5V
390 407 μS
Current-Monitor Offset
(1/N) x (V
CSP_
- V
CSN_
) at I
FBAC
= 0;
indicates summation over all power-up
enabled phases from 1 to N, N = 3
-1.5 +1.5
mV/
phase
Current-Monitor
Transconductance
G
m(IMON)
I
IMON
/[(V
CSP_
- V
CSN_
)]; indicates
summation over all power-up enabled phases
from 1 to N, N = 3, V
CSN_
= 0.45V to 1.5V
1.536 1.664 mS
GATE DRIVERS
High state (pullup) 2.5
DH_ Gate-Driver On-Resistance R
ON(DH)
BST_ LX_
forced to 5V
Low state (pulldown) 2
High state (pullup) 2
DL_ Gate-Driver On-Resistance R
ON(DL)
Low state (pulldown) 0.7
Internal BST_ Switch
On-Resistance
R
ON(BST)
I
BST-
= 10mA 20
PWM3, DR SKP OUTPUTS
PWM3, DRSKP Output
High Voltages
I
SOURCE
= 3mA
V
DD
-
0.4V
V
PWM3, DRSKP Output
Low Voltages
I
SINK
= 3mA 0.4 V
LOGIC AND I/O
Logic-Input High Voltage V
IH
SHDN, PGD_IN 2.3 V
Logic-Input Low Voltage V
IL
SHDN, PGD_IN 1.0 V
Low-Voltage Logic-Input
High Voltage
V
IHLV
PSI, D0–D6, DPRSLPVR 0.67 V
Low-Voltage Logic-Input
Low Voltage
V
ILLV
PSI, D0–D6, DPRSLPVR 0.33 V
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
IN
= 10V, V
CC
= V
DD
= V
SHDN
= V
PGD_IN
= V
PSI
= V
ILIM
= 5V, V
DPRSLPVR
= V
GNDS
= 0, V
CSP_
= V
CSN_
=
1.0000V, FB = FBAC, R
FBAC
= 3.57kΩ from FBAC to CSN_, [D6–D0] = [0101000]; T
A
= -40
o
C to +105°C, unless otherwise noted.)
(Note 5)