L6208Q STMicroelectronics, L6208Q Datasheet - Page 7

• Manufacturer Part Number: L6208Q
• Description: Dmos Driver For Bipolar Stepper Motor
• Manufacturer: STMicroelectronics

L6208Q
Table 4.
1. Tested at 25°C in a restricted range and guaranteed by characterization.
2. See
3. See
4. See
5. See
6. Measured applying a voltage of 1 V to pin SENSE and a voltage drop from 2 V to 0 V to pin V
7. See
PWM comparator and monostable
Over current detection
t
I
t
t
t
RCLK(MIN )
CLK(min) H
RCA
t
Symbol
CLK(min)L
ROPDR
OCD(OFF)
t
OCD(ON)
t
t
t
ON(MIN)
t
V
t
S(MIN)
H(MIN)
R(MIN)
BLANK
I
I
PROP
f
t
sover
BIAS
t
f
f
offset
OFF
CLK
t
DT
CP
CP
, I
dt
Figure
Figure
Figure
Figure
Figure
RCB
3.
4.
5.
6.
7.
Minimum clock time
Minimum clock time
Clock frequency
Minimum set-up time
Minimum hold time
Minimum reset time
Minimum reset to clock delay time
Dead time protection
Charge pump frequency
Dead time protection
Charge pump frequency
Source current at pins RCA and
RCB
Offset voltage on sense comparator
Turn OFF propagation delay
Internal blanking time on SENSE
pins
Minimum on time
PWM recirculation time
Input bias current at pins VREF
VREF
Input supply overcurrent detection
threshold
Open drain ON resistance
OCD turn-on delay time
OCD turn-off delay time
Electrical characteristics (continued)
B
Parameter
(5)
(4)
(5)
(4)
(5)
(7)
(7)
(6)
A
and
Doc ID 018710 Rev 1
(5)
Tj = -25°C to 125°C (7)
-25°C<Tj <125°C
V
V
R
R
-25°C<Tj <125 °C
I = 4mA
I = 4mA; CEN < 100pF
I = 4mA; CEN < 100pF
RCA
REFA
OFF
OFF
= 20kΩ; C
= 100kΩ; C
= V
, V
REFB
RCB
Test condition
= 2.5V
= 0.5V
OFF
OFF
= 1nF
= 1nF
Electrical characteristics
REF
Min
0.5
0.5
3.5
.
4
Typ
500
200
100
0.6
0.6
5.5
1.5
5.6
±5
13
61
40
1
1
1
Max
100
7.1
10
60
1
1
1
1
1
1
1
1
2
MHz
MHz
Unit
kHz
mA
mV
µA
µs
µs
µs
µs
µs
µs
µs
µs
ns
µs
µs
µs
µs
ns
ns
Ω
A
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