Electrical characteristics (continued) – Rainbow Electronics MAX17036 User Manual
Page 8
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,
DRSKP 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
= 3.57k
Ω from FBAC to CSN_, [D6–D0] = [0101000]; T
A
= -40
o
C to +105°C, unless otherwise noted.)
(Note 5)