L9346PD datasheet(1/13 Pages) STMICROELECTRONICS

部件名	L9346PD

功能描述	QUAD INTELLIGENT POWER LOW SIDE SWITCH

PDF	13 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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1 / 13 page

QUAD POWER LOWSIDE DRIVER WITH 2 x 5A

AND 2 x 3A OUTPUT CURRENT CAPABILITY

LOW RDSON TYPICALLY 200m

Ω AND 300mΩ

@Tj = 25

°C

INTERNAL OUTPUT CLAMPING STRUC-

TURES WITH VFB = 50V FOR FAST INDUC-

TIVE LOAD CURRENT RECIRCULATION

LIMITED OUTPUT VOLTAGE SLEW RATE

FOR LOW EMI

PROTECTED

µP COMPATIBLE ENABLE

AND INPUT

WIDE

OPERATING

SUPPLY

VOLTAGE

RANGE 4.5V TO 32V

REAL TIME DIAGNOSTIC FUNCTIONS:

- OUTPUT SHORTED TO GND

- OUTPUT SHORTED TO VSS

- OPEN LOAD MEASURED IN ON AND OFF

CONDITION

- LOAD BYPASS DETECTION

- OVERTEMPERATURE

DEVICE PROTECTION FUNCTIONS:

- OVERLOAD DISABLE

- REVERSE SUPPLY VOLTAGE

PROTECTED VS UP TO -2V

- SELECTIVE THERMAL SHUTDOWN

DESCRIPTION

The L9346 is a monolithic integrated quad low

side driver realized in an advanced Multipow-

May 2000

®

OUT1

OUT4

VS

Channel1

Channel4

Output

Control

Overtemp

R

QS

Delay

Timer

Overload

Openload

GND

D4

IN4

EN

D1

IN1

R IO

Diagnostic

Control

OUT2

Channel2

D2

IN2

OUT3

Channel3

D3

IN3

52V

BLOCK DIAGRAM

ORDERING NUMBERS: L9346PD (power SO20)

L9346DIE (chip)

L9346

QUAD INTELLIGENT POWER LOW SIDE SWITCH

Power SO20

Chip

1/13

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类似说明 - L9346PD

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