E-L6207D013TR STMicroelectronics, E-L6207D013TR Datasheet - Page 10
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E-L6207D013TR
Manufacturer Part Number
E-L6207D013TR
Description
IC DRVR FULL BRDG DUAL 24-SOIC
Manufacturer
STMicroelectronics
Type
H Bridger
Datasheet
1.L6207D013TR.pdf
(23 pages)
Specifications of E-L6207D013TR
Input Type
Non-Inverting
Number Of Outputs
4
On-state Resistance
300 mOhm
Current - Output / Channel
2.8A
Current - Peak Output
5.6A
Voltage - Supply
8 V ~ 52 V
Operating Temperature
-25°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
24-SOIC (7.5mm Width)
Operating Supply Voltage
6.5 V
Supply Current
10 mA
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-4572-2
L6207
Figure 8. Output Current Regulation Waveforms
Figure 9 shows the magnitude of the Off Time t
culated from the equations:
where R
Therefore:
These values allow a sufficient range of t
The capacitor value chosen for C
Rise Time t
monostable is triggered. Therefore, the on time t
10/23
R
V
t
t
20K
0.47nF C
t
t
t
V
SENSE
SENSE
I
RCFALL
OFF
DT
OFF(MIN)
OFF(MAX)
OUT
V
REF
2.5V
OFF
V
ON
OFF
5V
REF
0
RC
= 1µs (typical value)
= t
RCRISE
and C
RCFALL
= 0.6 · R
R
SYNCHRONOUS RECTIFICATION
= 6.6µs
D02IN1351
OFF
= 6ms
OFF
OFF
will only be an issue if the capacitor is not completely charged before the next time the
+ t
100K
OFF
are the external component values and t
100nF
DT
= 0.6 · R
· C
OFF
OFF
OFF
also affects the Rise Time t
· C
OFF
OFF
B
to implement the drive circuit for most motors.
+ t
OFF
Slow Decay
t
ON
RCFALL
DT
1 s t
t
1 s t
t
versus C
RCRISE
, which depends by motors and supply parameters, has to
OFF
C
BLANK
DT
OFF
D
DT
and R
RCRISE
t
is the internally generated Dead Time with:
ON
A
OFF
of the voltage at the pin RCOFF. The
B
values. It can be approximately cal-
Slow Decay
t
RCFALL
1 s t
t
1 s t
t
RCRISE
OFF
C
BLANK
DT
D