ST L9339 User Manual
Features
■ Wide operating supply voltage range from
4.5 V up to 32 V for transient 45 V
■ Very low stand-by quiescent current < 2 µA
■ Input to output signal transfer function
programmable
■ High signal range from -0.3 V up to 32 V for all
inputs
■ TTL and CMOS compatible inputs
■ Defined output off state for open inputs
■ Four open drain DMOS outputs, with
R
= 1.5 Ω for VS > 6 V at 25 °C
DSon
■ Output current limitation
■
Controlled output slope for low EMI
■ Over temperature protection for each channel
■ Integrated output clamping for fast inductive
recirculation V
■ Status monitoring for
> 45 V
FB
– Over temperature
– Disconnected ground or supply voltage
Table 1. Device summary
L9339
Quad low side driver
SO20
BARE DIE
Description
The L9339 is a monolithic integrated quad low
side driver. It is intended to drive lines, lamps or
relays in automotive or industrial applications.
Order code Package Packing
L9339 SO20 Tube
L9339DIE1 DIE Bare die
L9339MD
1. Obsolete order code.
June 2008 Rev 2 1/14
(1)
SO20 Tube
www.st.com
1
Contents L9339
Contents
1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Pins description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4 Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
6 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2/14
L9339 List of figures
List of figures
Figure 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 2. Pins connection (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 3. Timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 4. Application for inverting transfer polarity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 5. Application for non inverting transfer polarity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 6. SO20 mechanical data and package dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3/14
List of tables L9339
List of tables
Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Table 2. Pins function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Table 3. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Table 4. Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Table 5. Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Table 6. Diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Table 7. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4/14
L9339 Block diagram
1 Block diagram
Figure 1. Block diagram
IN 4
IN 1
PRG
EN
VS
GND
CHANNEL4
CHANNEL1
OUT 4
OUT 1
=
&
THERMAL
SHUTDOWN
4
DIAGNOSTIC
LOGIC
REFERENCE
DIAG
Vint
Vlogic
5/14
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