L6743B STMicroelectronics, L6743B Datasheet - Page 6
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L6743B
Manufacturer Part Number
L6743B
Description
MOSFET & Power Driver ICs Hi-current MOSFET Driver
Manufacturer
STMicroelectronics
Type
High Current Mosfet Driverr
Datasheet
1.L6743B.pdf
(16 pages)
Specifications of L6743B
Product
Driver ICs - Various
Propagation Delay Time
75 ns
Supply Voltage (max)
12 V
Supply Voltage (min)
5 V
Supply Current
5 mA
Maximum Power Dissipation
2.25 W
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Package / Case
SO-8
Minimum Operating Temperature
0 C
Number Of Drivers
2
Number Of Outputs
2
Output Voltage
10 V
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
L6743BTR
Manufacturer:
st
Quantity:
26 200
Electrical specifications
4
4.1
Table 4.
1. Parameter(s) guaranteed by designed, not fully tested in production
6/16
Supply current and power-on
PWM and EN input
Gate drivers
Protections
UVLO
V
Symbol
t
I
R
t
I
R
R
PRE_OV
I
PWM
R
prop_H
UGATE
prop_L
LGATE
BOOT
t
I
EN
LOHS
LOLS
HIHS
HILS
HiZ
CC
VCC
Electrical specifications
Electrical characteristics
Electrical characteristics
(V
VCC supply current
BOOT supply current
VCC turn-ON
VCC turn-OFF
Input high - V
Input low - V
Input leakage
HiZ hold-off time
Propagation delays
Input high - V
Input low - V
Input resistance
Input leakage
HS source resistance
HS source current
HS sink resistance
LS source resistance
LS source current
LS sink resistance
Pre-OV threshold
CC
= 12 V±15 %, T
Parameter
PWM_IL
EN_IH
PWM_IH
EN_IH
(1)
(1)
J
= 0 °C to 70 °C unless otherwise specified)
UGATE and LGATE = OPEN
BOOT = 12 V
UGATE = OPEN;
PHASE to GND; BOOT = 12 V
VCC rising
VCC falling
PWM rising
PWM falling
PWM = 3.3 V
PWM = 0 V
See
See
EN rising
EN falling
to GND
EN = 3.3 V
BOOT - PHASE = 12 V; 100 mA
BOOT - PHASE = 12 V;
C
BOOT - PHASE = 12 V; 100 mA
100 mA
C
100 mA
PHASE rising
UGATE
LGATE
Figure 4
Figure 4
to GND = 5.6 nF
to PHASE = 3.3 nF
Test conditions
Min.
3.5
2
2
Typ.
-360
270
150
220
2.3
1.3
1.8
50
30
15
5
2
2
2
3
1
Max.
4.1
0.8
0.8
2.8
2.5
1.8
1.5
75
45
L6743B
Unit
mA
mA
kΩ
µA
µA
µA
ns
ns
ns
V
V
V
Ω
A
Ω
Ω
A
Ω
V
V
V
V