WIDE INPUT VOLTAGE RANGE FROM -24V
UP TO+45V
WIDE OPERATING SUPPLY VOLTAGE
RANGEFROM 4.5V UPTO32V
REVERSEBIASINGPROTECTED(V
= -24V)
S
VERY LOW STANDBY QUIESCENT CURRENT < 2µA
PROGRAMMABLE SIGNALTRANSFERPOLARITY
TTL AND CMOS COMPATIBLEINPUTS
DEFINED OUTPUT OFF STATE OFF FOR
OPEN INPUTS
THREE OPEN DRAIN DMOS OUTPUTS,
WITH R
= 1.5 Ω at 25°Cand VS>6V
DSon
OUTPUTCURRENT LIMITATION
CONTROLLEDOUTPUTSLOPEFORLOWEMI
OVERTEMPERATURESHUT-DOWN
INTEGRATED OUTPUT CLAMPING FOR
FASTINDUCTIVE RECIRCULATION V
FB
>45V
STATUSMONITORING FOR
- OVERTEMPERATURE
L9337MD
TRIPLELOW SIDE DRIVER
SO20 (12+4+4)
ORDERING NUMBER: L9337MD
- DISCONNECTED GROUNDOR SUPPLY
VOLTAGE
ESD: ALL PINS ARE GUARANTEED TILL 2kV
HUMAN BODY MODEL
DESCRIPTION
The L9337MD is a monolithic integrated triplelow
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
CHANNEL 3
CHANNEL 1
=&
THERMAL
SHUTDOWN
4
DIAGNOSTIC
LOGIC
Vint
REFERENCE
VSGND
Vlogic
OUT1
DIAG
D97AT370
March 2000
1/8
L9337MD
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
Input, enable, program -24 to 45 V
Output -0.3 to 45 V
Diagnostic output -0.3 to 45 V
(Top view)
IN1
IN2
DIAG
GND
GND
GND
GND
VS
IN3 NC
NC EN
2
3
4
5
6
7
8
9
10
D97AT371A
20
19
18
17
16
15
14
13
12
11
PRG1
OUT1
OUT2
GND
GND
GND
GND
OUT3
PIN DESCRIPTION
SO 12+4+4
N
o
8 VS SUPPLY VOLTAGE
4,5,6,7,14,
15,16,17
11 EN ENABLE
20 PRG PROGRAM
3 DIAG DIAGNOSTIC
1 IN1 INPUT 1
2 IN2 INPUT 2
9 IN3 INPUT 3
19 OUT 1 OUTPUT 1
18 OUT 2 OUTPUT 2
13 OUT 3 OUTPUT 3
10, 12 NC NOT CONNECTED
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Pin Name Function
GND GROUND
L9337MD
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.Thefunctionwillbe guarantedbydesignuntilT
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 -IN3, 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-OUT3
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 currentlimitation 1 5 15 mA
Leakage current VS= 14V; TJ=85°C
0.1 1
≤
Ω
Ω
Ω
A
µ
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