L6743B STMicroelectronics, L6743B Datasheet - Page 6

• Manufacturer Part Number: L6743B
• Description: MOSFET & Power Driver ICs Hi-current MOSFET Driver
• Manufacturer: STMicroelectronics
• Type: High Current Mosfet Driverr

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

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