L6235 STMicroelectronics, L6235 Datasheet - Page 6

• Manufacturer Part Number: L6235
• Description: DMOS DRIVER FOR THREE-PHASE BRUSHLESS DC MOTOR
• Manufacturer: STMicroelectronics

L6235
ELECTRICAL CHARACTERISTICS (continued)
(V
6/25
Switching Characteristics
PWM Comparator and Monostable
Tacho Monostable
Over Current Detection & Protection
I
V
t
t
Symbol
RCPULSE
t
t
R
t
OCD(OFF)
OCD(ON)
t
t
I
I
t
R
D(on)EN
D(off)EN
S
ON(min)
D(on)IN
D(off)IN
OFFSET
SOVER
RCOFF
PULSE
t
t
t
I
TACHO
t
t
(8) Measured applying a voltage of 1V to pin SENSE and a voltage drop from 2V to 0V to pin VREF.
RISE
FALL
blank
BIAS
OPDR
(6) Tested at 25°C in a restricted range and guaranteed by characterization.
(7) See Fig. 1.
(9) See Fig. 2.
I
t
f
prop
OFF
= 48V , T
CP
OH
DT
Enable to out turn-ON delay time
Enable to out turn-OFF delay time
Other Logic Inputs to Output Turn-
ON delay Time
Other Logic Inputs to out Turn-OFF
delay Time
Output Rise Time
Output Fall Time
Dead Time
Charge Pump Frequency
Source current at pin RC
Offset Voltage on Sense
Comparator
Turn OFF Propagation delay
Internal Blanking Time on Sense
Comparator
Minimum on Time
PWM RecirculationTime
Input Bias Current at pin VREF
Source Current at pin RCPULSE
Monostable of Time
Open Drain ON Resistance
Supply Overcurrent Protection
Threshold
Open Drain ON Resistance
OCD high level leakage current
OCD Turn-ON Delay Time
OCD Turn-OFF Delay Time
amb
= 25 °C , unless otherwise specified)
Parameter
(7)
(7)
OFF
(9)
(9)
(8)
(7)
(7)
I
I
I
I
I
I
Tj = -25 to 125°C
V
V
V
R
R
V
R
R
T
I
V
I
I
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
DIAG
DIAG
DIAG
J
RCOFF
ref
ref
OFF
OFF
RCPULSE
PUL
PUL
DIAG
= -25 to 125°C
= 0.5 V
= 0.5 V
= 20k
= 100k
= 20k
= 100k
= 4mA
= 4mA; C
= 4mA; C
= 2.8 A, Resistive Load
= 2.8 A, Resistive Load
= 2.8 A, Resistive Load
= 2.8 A, Resistive Load
= 2.8 A, Resistive Load
= 2.8 A, Resistive Load
= 5V
= 2.5 V
Test Conditions
= 2.5V
; C
; C
; C
; C
DIAG
DIAG
OFF
PUL
OFF
(6)
PUL
(6)
< 100pF
< 100pF
1nF
1nF
1nF
1nF
Min
110
300
4.0
0.5
3.5
3.5
40
40
Typ
250
550
500
200
100
0.6
5.5
1.5
5.5
5.6
±5
40
40
13
61
12
60
1
1
1
Max
400
800
250
250
7.1
10
60
60
2
2
1
2
MHz
Unit
mA
mV
mA
µA
µA
ns
ns
µs
µs
ns
ns
µs
ns
µs
µs
ns
ns
A
s
s
s
s