L9346 Datasheet, PDF (1/13 Pages) STMicroelectronics – QUAD INTELLIGENT POWER LOW SIDE SWITCH

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L9346
QUAD INTELLIGENT POWER LOW SIDE SWITCH
QUAD POWER LOWSIDE DRIVER WITH 2 x 5A
AND 2 x 3A OUTPUT CURRENT CAPABILITY
LOW RDSON TYPICALLY 200mΩ 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:
BLOCK DIAGRAM
Power SO20
Chip
ORDERING NUMBERS: L9346PD (power SO20)
L9346DIE (chip)
- 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-
IN1
Channel 1
D1
EN
OUT1
VS
Output
Control
52V
OUT4
Overtemp
R _IO
IN4
R
QS
Delay
Timer
Overload
D4
Diagnostic
Control
Openload
Channel 4
IN2
Channel 2
D2
IN3
Channel 3
D3
OUT2
OUT3
May 2000
G ND
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