Datasheet

L6460 Electrical specifications
Doc ID 17713 Rev 1 21/139
V
SWD_UV_f
Under voltage falling threshold
(14)
84.5 87 89.5 %
V
SWD_UV_r
Under voltage rising threshold
(14)
90.5 93 95.5 %
V
SWD_UV_hys
Under voltage hysteresis 6 %
t
prim_uv
Under voltage deglitch filter 5 µs
V
ovc
Over current threshold voltage 250 300 350 mV
t
deglitch
Current limit deglitch time 50 ns
t
I_lim
Current limit response time
Normal operating mode (no
UV)
(11)
500 900 ns
t
I_limUV
Current Limit response time in
UV condition.
UV condition
(12)
380 550 ns
F
SWD_PWM
Operating frequency F
osc
/64 kHz
Power bridges
R
DSon1_2
Bridge 1 and 2 diagonal R
DSon
I = 1.4A, V
Supply
= 36V,
T
junction
= 125°C
0.6 1.1
Ω
R
DSon3_4
Bridge 3 and 4 diagonal R
DSon
I = 1A, V
Supply
= 36V,
T
junction
= 125°C
0.85 1.65
Ω
I
MAX1_2
Bridge 1 and 2 operative rms
current
2.5 A
I
MAX3_4
Bridge 3 and 4 operative rms
current
1.5 A
I
dss
Output leakage current. T
junction
= 125°C -50 +50 µA
I
Q_LP
Output leakage current in “low
power mode”
V
Supply
= 36V,
T
junction
= 125°C
-10 +10 µA
I
OC_LS1_2
Low side current protection for
bridges 1 and 2
(15)
MtrXSideYILimSel[1:0]=00
MtrXSideYILimSel[1:0]=01
MtrXSideYILimSel[1:0]=10
MtrXSideYILimSel[1:0]=11
(16)
0.6
1.4
2.4
2.4
1
2
3
3
1.6
2.6
3.6
3.6
A
I
OC_HS1_2
High side current protection for
bridges 1 and 2
(15)
MtrXSideYILimSel[1:0]=00
MtrXSideYILimSel[1:0]=01
MtrXSideYILimSel[1:0]=10
MtrXSideYILimSel[1:0]=11
(1
6)
0.7
1.5
2.5
2.5
1
2
3
3
1.7
2.7
3.7
3.7
A
I
OC_LS3_4
Low side current protection for
bridges 3 and 4
(15)
MtrXSideYILimSel[1:0]=11
(17)(18)
1.55 2.5 A
I
OC_HS3_4
High side current protection for
bridges 3 and 4
(15)
MtrXSideYILimSel[1:0]=11
(1
7)(18)
1.6 2.5 A
t
filter
Current limit
filter time
25μs
Table 5. Electrical characteristics (continued)
Parameter Description Test condition Min Typ Max Unit