L9856 datasheet(5/14 Pages) STMICROELECTRONICS

部件名	L9856

功能描述	High voltage high-side driver

PDF	14 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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5 / 14 page

L9856

Block diagram andpin description

5/14

Block diagram andpin description

1.1

Block diagram

Figure 1.

Block diagram

1.2

Pin description

Figure 2.

Pin connection (top view)

Logic

Pulse Filter

Level Shifter

"ON"

Level Shifter

"OFF"

Undervoltage

RESET

VB to VS

Pulse Filter

FLIP FLOP

Break before

Make

Undervoltage

RESET VCC

to GND

Delay

VCC

RES-

IN-

GND

Table 2.

Pin function

Pin #

Pin name

Description

1VCC

Driver supply, typical 5V

IN-

Driver control signal input (negative logic)

GND

Ground

RESET-

Driver enable signal input (negative logic)

5VS

MOSFET source connection

No connection (no bondwire)

7HO

MOSFET gate connection

8VB

Driver output stage supply

VCC

IN-

GND

RESET-

4VS

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