L6743Q STMicroelectronics, L6743Q Datasheet - Page 6

• Manufacturer Part Number: L6743Q
• Description: IC MOSFET DRIVER HI CURR 10-DFN
• Manufacturer: STMicroelectronics
• Type: High Side/Low Sider

Specifications of L6743Q

• Configuration: High and Low Side, Synchronous
• Input Type: Non-Inverting
• Current - Peak: 2A
• Number Of Configurations: 1
• Number Of Outputs: 2
• Voltage - Supply: 5 V ~ 12 V
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 10-DFN
• Supply Voltage (min): 5 V
• Supply Current: 5 mA
• Maximum Power Dissipation: 2250 mW
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• Number Of Drivers: 2
• Flexible Gate-drive: 5V to 12V compatible
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Delay Time: -
• High Side Voltage - Max (bootstrap): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Electrical specifications
4.2
Table 5.
1. Parameter(s) guaranteed by designed, not fully tested in production
6/17
Supply current and power-ON
PWM and EN input
Gate drivers
Protections
UVLO
V
Symbol
I
R
I
R
R
PRE_OV
I
PWM
R
UGATE
LGATE
BOOT
t
I
EN
LOHS
LOLS
HIHS
HILS
HiZ
CC
VCC
Electrical characteristics
Electrical characteristics
(V
VCC supply current
BOOT supply current
VCC turn-ON
VCC turn-OFF
Input high - V
Input low - V
HiZ hold-off time
Input high - V
Input low - V
Input resistance
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
EN rising
EN falling
to GND
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
to GND = 5.6 nF
to PHASE = 3.3 nF
Test conditions
Min.
3.5
2
2
Typ.
150
2.3
1.3
1.8
15
5
2
2
2
3
1
L6743, L6743Q
Max.
4.1
0.8
0.8
2.8
2.5
1.8
1.5
Unit
mA
mA
kΩ
ns
V
V
V
Ω
A
Ω
Ω
A
Ω
V
V
V
V