L6460 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'L6460' PDF : 139 Pages View PDF
Electrical specifications
L6460
Table 5. Electrical characteristics (continued)
Parameter
Description
Test condition
Min Typ Max Unit
tdelay
Current limit
delay time
5
μs
MtrXIlimitOffTimeY[1:0]=00
60
µs
MtrXIlimitOffTimeY[1:0]=01
120
µs
tOC_off
Over current Off time
MtrXIlimitOffTimeY[1:0]=10
240
µs
MtrXIlimitOffTimeY[1:0]=11
(19)
480
µs
tr1_2
tr3_4
tf1_2
tf3_4
tdeadRise
tdeadFall
FPWM
tresp
Output rise time
bridges 1 and 2
VSupply = 36V, resistive load
between outputs:
100 180 250 ns
R= 25 Ω(20)
Output rise time
bridges 3 and 4
VSupply = 36V, resistive load
between outputs:
50 100 200 ns
R= 36 Ω(20)
Output fall time
bridges 1 and 2
VSupply = 36V, resistive load
between outputs:
100 180 250 ns
R= 25 Ω(20)
Output fall time
bridges 3 and 4
VSupply = 36V, resistive load
between outputs:
50 125 250 ns
R= 36 Ω(20)
Anti crossover rising dead time
100 300 450 ns
Anti crossover falling dead
time
100 300 450 ns
Operating frequency
Fosc/51
2
kHz
Delay from PWM to output
transition
500
ns
Bipolar stepper circuitry
VSTEPREF
Voffset
Reference voltage
Sense comparator offset
tblk
Blanking time
SelStepRef =0
SelStepRef =1
StepBlkTime = ‘00’ (8)
StepBlkTime = ‘01’
StepBlkTime = ‘10’
StepBlkTime = ‘11’
0.48 0.50 0.52
V
0.72 0.75 0.78
-12
12
mV
0.65 0.95 1.25 µs
1
1.45 1.9
µs
1.5 2.25
3
µs
3
4.25 5.5
µs
Synchronous buck regulator (bridge 3)
VAUX_SW
IQ
IQLP
Output pin voltage range
(26)
(DC3x)
Output leakage current
Tjunction = 125°C
Output leakage current in “Low VSupply = 36V
Power Mode”
Tjunction = 125°C
-1
VSupply
V
-50
+50 µA
-10
+10 µA
22/139
Doc ID 17713 Rev 1
Share Link: 
