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L9348-DIE1 Datasheet

  • L9348-DIE1

  • QUAD LOW SIDE DRIVER

  • 13頁(yè)

  • STMICROELECTRONICS   STMICROELECTRONICS

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L9348
QUAD LOW SIDE DRIVER
s
s
s
s
s
s
s
s
s
s
SUPPLY VOLTAGE RANGE: 4.8 TO 18V
OUTPUT VOLTAGE UP TO 40V
OUTPUT VOLTAGE CLAMP DURING
RECIRCULATION OF INDUCTIVE LOADS
OUTPUT CURRENT CAPABILITY 2 X 5A AND
2 X 3A
LOW POWER DISSIPATION DURING
RECIRCULATION OF INDUCTIVE LOADS BY
INTEGRATED FREE WHEELING DIODES
(3A-DRIVERS ONLY)
LOW ON-RESISTANCE 2 X 0.2鈩?, 2 X 0.35
鈩?/div>
(TYP.)
OUTPUT SHORT CIRCUIT CURRENT
PROTECTION
REAL TIME DIAGNOSTIC FUNCTIONS
OVERTEMPERATURE SHUTDOWN
SIGNAL- AND POWER-GROUND-LOSS
SHUTDOWN
PowerSO-36
BARE DIE
ORDERING NUMBERS:
L9348
L9348-DIE1
s
3.3V CMOS COMPATIBLE INPUTS AND
STATUS
DESCRIPTION
The L9348 is a monolithic integrated quad low side
driver realized in advanced Multipower-BCD technol-
ogy. It is intended to drive inductive loads (relays,
electromagnetic valves) in automotive and industrial
applications.
Figure 1. Block Diagram
VS
V
S
Voltage Regulator
+
鈥?/div>
V
DD
V
CC
VREG
=
C 166kHz
V
DD
EN
V
S
EN
FAIL
鈮?
Q1
IN1
Diagnostic
OL
SCP
TSD
GL
V
REG
PGND1
5A - DRIVER
CHANNEL1
ST1
PWRES
IN2
ST2
ENA
C 166kHz
PWRES
EN
CHANNEL2
V
DD
V
S
Q2
PGND2
EN
PWRES
PWRES
C 166kHz
C 166kHz
V
DD
EN
V
S
EN
FAIL
鈮?
D3
Q3
IN3
Diagnostic
OL
SCP
TSD
GL
FB
V
REG
PGND3
3A - DRIVER
CHANNEL3
ST3
PWRES
IN4
ST4
99AT0073
C 166kHz
PWRES
EN
D4
CHANNEL4
Q4
PGND4
GND
March 2002
1/13

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