Pin connection

L6391

4/21

Doc ID 17892 Rev 1

2

Pin connection

Figure 2.

Pin connection (top view)

Table 2.

Pin description

Pin n #

Pin name

Type

Function

1

LIN

I

Low side driver logic input (active low)

2

I/O

Shut down logic input (active low)/open drain

comparator output

3

HIN

I

High side driver logic input (active high)

4

VCC

P

Lower section supply voltage

5

DT

I

Dead time setting

6

NC

Not connected

7

GND

P

Ground

8

CP-

I

Comparator negative input

9

CP+

I

Comparator positive input

10

1.

allows omitting the “bleeder” resistor connected between the gate and the source of the external MOSFET

normally used to hold the pin low; the gate driver assures low impedance also in SD condition.

O

Low side driver output

11

NC

Not connected

12

OUT

P

High side (floating) common voltage

13

O

High side driver output

14

BOOT

P

Bootstrapped supply voltage