파트넘버.co.kr L9351 데이터시트 PDF


L9351 반도체 회로 부품 판매점

L9349DIE1



STMicroelectronics 로고
STMicroelectronics
L9351 데이터시트, 핀배열, 회로
L9351
. LOW SATURATION VOLTAGE
. TTL COMPATIBLE INPUT
. WIDE SUPPLY VOLTAGE
. VERY LOW QUIESCENT CURRENT
(30mA max)
. NO EXTERNAL COMPONENTS
. INTERNAL RECIRCULATION PATH
FOR
.. FAST DECAY OF INDUCTIVE LOAD CUR-
RENT
SHORT CIRCUIT PROTECTION
FAILSAFE OPERATION : OUTPUT IS OFF IF
THE LOGIC INPUT IS LEFT OPEN
DESCRIPTION
The L9351 is a monolithic integrated circuit desi-
gned to drive grounded resistive, inductive or mixed
loads from the power supply positive side. Very low
standby current (30mA max.) and internally imple-
mented protections against load dump and reverse
voltages make the device very useful in automotive
applications. No external components are required
because the output recirculation clamping zener is
included in the chip. This zener can withstand a re-
circulation peak current of 550mA on a 80mH/25
load.
HIGH SIDE DRIVER
ADVANCE DAT A
Pentawatt
ORDERING NUMBER : L9351
The device is self-protected against overtempera-
ture, overvoltage and overcurrent conditions. The
L9351 operates over the full battery voltage range,
from 4.5V (cold cranking) up to 24V (jump starting).
The L9351 withstands revers battery conditions (-
13V) and supply voltage transients up to 80V limit-
ing the maximum output transistor VEC to 70V by an
internalzener. ON and OFFdelaytimes of 25µs max
in any outputstatus, includingrecirculating situation,
allow PWM use of L9351.
BLOCK DIAGRAM
October 1992
1/6
This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.


L9351 데이터시트, 핀배열, 회로
L9351
PIN CONNECTION (top view)
Note : Pin 3 must be left open or connected to ground.
ABSOLUTE MAXIMUM RATINGS
Symbol
VS
Parameter
D.C. Supply Voltage
D.C. Reverse Supply Voltage
Load Dump: 5ms trise 10ms
τf Fall Time Constant = 100ms, Rsource 0.5
Vi
IO
Ptot
Tj, Tstg
Low Energy Spikes: Rsource 10, trise = 1µs,
tf = 2ms, fr Repetition Frequency = 0.2Hz
Input Voltage
Output Current
Total Power Dissipation at Tcase = 90°C
Junction and Storage Temperature
THERMAL DATA
Symbol
Rth j-amb
Rth j-case
Parameter
Thermal Resistance Junction-ambient
Thermal Resistance Junction-case
Max.
Max.
Value
24
–13
60
±85
–0.3 to 7
Internally Limited
17.1
–55 to 150
Value
80
3.5
Unit
V
V
V
V
V
W
°C
Unit
°C/W
°C/W
2/6




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