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L6743QTR Datasheet(PDF) 6 Page - STMicroelectronics

Part # L6743QTR
Description  High current MOSFET driver
Download  17 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6743QTR Datasheet(HTML) 6 Page - STMicroelectronics

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Electrical specifications
L6743, L6743Q
6/17
4.2
Electrical characteristics
Table 5.
Electrical characteristics
(VCC = 12 V±15 %, TJ = 0 °C to 70 °C unless otherwise specified).
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
Supply current and power-ON
ICC
VCC supply current
UGATE and LGATE = OPEN
BOOT = 12 V
5mA
IBOOT
BOOT supply current
UGATE = OPEN;
PHASE to GND; BOOT = 12 V
2mA
UVLOVCC
VCC turn-ON
VCC rising
4.1
V
VCC turn-OFF
VCC falling
3.5
V
PWM and EN input
PWM
Input high - VPWM_IH
PWM rising
2
V
Input low - VPWM_IL
PWM falling
0.8
V
tHiZ
HiZ hold-off time
150
ns
EN
Input high - VEN_IH
EN rising
2
V
Input low - VEN_IH
EN falling
0.8
V
Input resistance
to GND
15
k
Gate drivers
RHIHS
HS source resistance
BOOT - PHASE = 12 V; 100 mA
2.3
2.8
IUGATE
HS source current (1)
1.
Parameter(s) guaranteed by designed, not fully tested in production
BOOT - PHASE = 12 V;
CUGATE to PHASE = 3.3 nF
2A
RLOHS
HS sink resistance
BOOT - PHASE = 12 V; 100 mA
2
2.5
RHILS
LS source resistance
100 mA
1.3
1.8
ILGATE
LS source current (1)
CLGATE to GND = 5.6 nF
3
A
RLOLS
LS sink resistance
100 mA
1
1.5
Protections
VPRE_OV
Pre-OV threshold
PHASE rising
1.8
V


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