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L6227Q Fiches technique(PDF) 8 Page - STMicroelectronics

No de pièce L6227Q
Description  DMOS dual full bridge driver with PWM current controller
Download  27 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6227Q Fiches technique(HTML) 8 Page - STMicroelectronics

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Electrical characteristics
L6227Q
8/27
PWM comparator and monostable
IRCA, IRCB Source current at pins RCA and RCB
VRCA = VRCB = 2.5 V
3.5
5.5
mA
Voffset
Offset voltage on sense comparator
VREFA, VREFB = 0.5 V
±5
mV
tPROP
Turn OFF propagation delay (3)
500
ns
tBLANK
Internal blanking time on SENSE pins
1
µs
tON(MIN)
Minimum on time
2.5
3
µs
tOFF
PWM recirculation time
ROFF = 20 kΩ; COFF = 1 nF
13
µs
ROFF = 100 kΩ; COFF = 1 nF
61
µs
IBIAS
Input bias current at pins VREFA and
VREFB
10
µA
Over current protection
ISOVER
Input supply overcurrent protection
threshold
TJ = -25 °C to 125 °C
(1)
2.8
A
ROPDR
Open drain ON resistance
I = 4 mA
40
60
tOCD(ON)
OCD turn-on delay time (4)
I = 4 mA; CEN < 100 pF
200
ns
tOCD(OFF)
OCD turn-off delay time (4)
I = 4 mA; CEN < 100 pF
100
ns
1.
Tested at 25 °C in a restricted range and guaranteed by characterization.
2.
See
Figure 3 on page 9
3.
Measured applying a voltage of 1 V to pin SENSE and a voltage drop from 2 V to 0 V to pin VREF.
4.
See
Figure 4 on page 9
Table 5.
Electrical characteristics (continued) (TA = 25 °C, Vs = 48 V, unless otherwise specified)
Symbol
Parameter
Test condition
Min
Typ
Max
Unit


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