Electrical specifications

L6743B

6/16

4

Electrical specifications

4.1

Electrical characteristics

Table 4.

Electrical characteristics

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Supply current and power-on

VCC supply current

UGATE and LGATE = OPEN

BOOT = 12 V

5mA

BOOT supply current

UGATE = OPEN;

PHASE to GND; BOOT = 12 V

2mA

VCC turn-ON

VCC rising

4.1

V

VCC turn-OFF

VCC falling

3.5

V

PWM and EN input

PWM

PWM rising

2

V

PWM falling

0.8

V

Input leakage

PWM = 3.3 V

270

µA

PWM = 0 V

-360

µA

HiZ hold-off time

See Figure 4

150

ns

Propagation delays

See Figure 4

50

75

ns

30

45

ns

EN

EN rising

2

V

EN falling

0.8

V

Input resistance

to GND

15

k

Ω

Input leakage

EN = 3.3 V

220

µA

Gate drivers

HS source resistance

BOOT - PHASE = 12 V; 100 mA

2.3

2.8

Ω

1.

Parameter(s) guaranteed by designed, not fully tested in production

BOOT - PHASE = 12 V;

2A

HS sink resistance

BOOT - PHASE = 12 V; 100 mA

2

2.5

Ω

LS source resistance

100 mA

1.3

1.8

Ω

3

A

LS sink resistance

100 mA

1

1.5

Ω

Protections

Pre-OV threshold

PHASE rising

1.8

V