WIDE INPUT VOLTAGE RANGE FROM -24V
UP TO +45V
WIDE OPERATING SUPPLY VOLTAGE
RANGEFROM 4.5VUP TO32V
REVERSEBIASINGPROTECTED(V
= -24V)
S
VERY LOW STANDBY QUIESCENT CURRENT < 2µA
PROGRAMMABLE SIGNAL TRANSFER POLARITY
TTL AND CMOS COMPATIBLEINPUTS
DEFINED OUTPUT OFF STATE OFF FOR
OPEN INPUTS
FOUR OPEN DRAIN DMOS OUTPUTS, WITH
= 1.5Ωat 25°Cand VS>6V
R
DSon
OUTPUTCURRENT LIMITATION
CONTROLLEDOUTPUTSLOPEFORLOWEMI
OVERTEMPERATURESHUT-DOWN
INTEGRATED OUTPUT CLAMPING FOR
FASTINDUCTIVERECIRCULATIONV
FB
>45V
STATUSMONITORINGFOR
- OVERTEMPERATURE
- DISCONNECTED GROUND OR SUPPLY
L9338
QUAD LOW SIDE DRIVER
ORDERING NUMBERS: L9338D (SO20)
L9338MD (SO20 (12+4+4))
VOLTAGE
ESD: ALL PINS ARE GUARANTEED TILL2kV
HUMANBODYMODEL
DESCRIPTION
The L9338 is a monolithic integrated quad low
side driver realized in advanced Multipower-BCD
technology. It is intended to drive lines, lamps or
relais in automotiveor industrialapplications.
BLOCK DIAGRAM
IN1
PRG
EN
March 2000
CHANNEL 4IN4
CHANNEL 1
=&
THERMAL
SHUTDOWN
4
DIAGNOSTIC
LOGIC
Vint
REFERENCE
VSGND
Vlogic
OUT4
OUT1
DIAG
D95AT149
1/8
L9338
ABSOLUTE MAXIMUM RATINGS
(nodamage or latch)
Symbol Parameter Value Unit
V
S
Supply voltage -24 to 45 V
Pin voltages
V
IN
V
OUT
V
DIAG
PIN CONNECTIONS
N.C.
N.C.
OUT4
OUT3
GND N.C.
N.C. N.C.
Input, enable, program -24 to 45 V
Output -0.3 to 45 V
Diagnostic output -0.3 to 45 V
(Top view)
20
19
18
17
16
15
14
13
12
11
VS
IN3
IN4
EN
2
3
4
5
6
7
8
9
10
D94AT120B
20
19
18
17
16
15
14
13
12
11
N.C.1
DIAG
N.C.
IN2
IN1
PRG
OUT1
OUT2
IN1
IN2
DIAG
GND
GND
GND
GND
VS
IN3 OUT4
IN4 EN
2
3
4
5
6
7
8
9
10
D94AT121A
PRG1
OUT1
OUT2
GND
GND
GND
GND
OUT3
PIN DESCRIPTION
SO20
N
o
2 8 VS SUPPLY VOLTAGE
9 4,5,6,7,14,
6 11 EN ENABLE
15 20 PRG PROGRAM
19 3 DIAG DIAGNOSTIC
16 1 IN1 INPUT 1
17 2 IN2 INPUT 2
4 9 IN3 INPUT 3
5 10 IN4 INPUT 4
14 19 OUT 1 OUTPUT 1
13 18 OUT 2 OUTPUT 2
8 13 OUT 3 OUTPUT 3
7 12 OUT 4 OUTPUT 4
3, 18, 1, 10, 11,
12, 20
SO20
SO 12+4+4
N
o
Pin Name Function
GND GROUND
15,16,17
– NC NOT CONNECTED
SO20 (12+4+4)
2/8
L9338
THERMAL DATA
Symbol Parameter SO20 (2) SO(12+4+4) (1) Unit
R
th (j-pins)
R
th (j-amb)
T
jMon
(1) See SGS-THOMSON Microelectronics databook:”Thermal Management in Surface Mount Technology”
(2) See SGS-THOMSON Microelectronics databook:”Thermal characteristics of SO20”
OPERATING CONDITIONS (The electrical characteristics are valid within the below defined operating
ranges,unlessotherwisespecified.The functionwillbe guarantedby designuntilT
Symbol Parameter Value Unit
V
S
V
IN
V
EN
V
OUT,VD
T
j
Thermal resistance junction to pin – 14 (Typ.) °C/W
Thermal resistance junction to ambient mounted on
77 to 97 – °C/W
SMPCB2 board
Temperature-monitoring
Switch-off-level
Switch-on-level
160 to 190
140 to 170
jMON
°C
°C
switch-OFF-level.
Supply Voltage 4.5 to 32 V
Input pin voltage -24 to 45 V
Enable pin voltage -24 to 45 V
Output pin voltage -0.3 to 45 V
Junction temperature -40 to 150 °C
ELECTRICALCHARACTERISTICS
(Refer to the test circuit, unless otherwise specified.)
Symbol Parameter Test Condition Min. Typ. Max. Unit
I
Q
Quiescent current -0.3V ≤ VEN≤ 0.5V;
V
= 14V; Tj=85°C
S
EN = high; V
≤ 14V 1.5 2 mA
S
<2 10 µA
Inputs IN1 -IN4, PRG
V
V
INIlow
INhigh
I
IN
Input voltage LOW -24 2.0 V
Input voltage HIGH 2.8 45 V
Input current -24V ≤ Vi ≤ 10V -10 15 µA
Enable Input EN
V
V
ENhigh
R
ENlow
EN
I
EN
Input voltage LOW -24 1 V
Input voltage HIGH 3.2 VS V
Input impedance -24V < Vi< 2.5V 10 K
Input current 2.5V ≤ Vi ≤ 25V 20 50 µA
Outputs OUT1-OUT4
R
DSon
I
OLeak
V
OClamp
I
OSC
C
O
Output ON-resistor to ground VS≥ 6V, IO= 0.3A
T
=25°C
j
T
= 125°C
j
1.7 2.3
3.5
Leakage current VO=VS= 14V; Tj=85°C ≤15µA
Output voltage during clamping time < 200µs; 10mA ≤ Io≤ 0.3A 45 52 60 V
Short-circuit current 400 700 1200 mA
Internal output capacities V
4.5V 100 pF
≥
O
Diagnostic output DIAG
V
Dlow
I
Dmax
I
Dleak
Output voltage LOW IDL≤ 1mA 0.3 0.5 V
Max. Output current Internal current limitation 1 5 15 mA
Leakage current VS= 14V; TJ=85°C
0.1 1
≤
Ω
Ω
Ω
A
µ
3/8