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Ericsson

PBD3545-1 Datasheet Preview

PBD3545-1 Datasheet

Universal Sink Driver

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January 1993
PBD 3545/1
Universal Sink Driver
Description
Key Features
PBD 3545/1 is a bipolar universal high-current highly-protected low side driver with
transparent input and 2 A continuous-current sink capability. A high-level input activates
the output.
The driver is equipped with extensive electrical protection, such as overcurrent
protection and thermal protection, which makes the device viritually indestructible.
Furthermore it can detect open circuit and short circuit to ground.
A special feature is the Error indicating output function pin which signals to the host •
system if the protection or the load check functions is activated.
Typical loads are solenoids, relays or resistive loads.
The PBD 3545/1 and PBD 3548/1 are complementary drivers and have similar data.
2 A continuous-output current
Short circuit to VCC protection
Error signal to host system
Open circuit detection
Short circuit to ground detection
Thermal protection
Built-in protection diodes
• LS-TTL, CMOS, and supply voltage
compatible input
• ESD protected
• 5-pin TO-220 package, or 28-lead
power PLCC with lead-frame for heat-
sinking through PC board copper.
PBD 3545/1
To logic
5 [5]
Input
Supply
1 [21]
Voltage reference
Output
4 [7]
Error
QS
R
Thermal
protection
Short-circuit to
Vcc protection
hShort-circuit to
GND detection
PWR
GND
[27] (PLCC only)
Open circuit
detection
[1-3,9,13-17,26,28]
Figure 1. Block Diagram. Pin number in brackets refer to PLCC package.
TO-220 5-pin package
28-pin PLCC package
1
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Ericsson

PBD3545-1 Datasheet Preview

PBD3545-1 Datasheet

Universal Sink Driver

No Preview Available !

PBD 3545/1
Maximum Ratings
Parameter
Voltage
Supply voltage
Logic input voltage
Current
Logic input current
Continuous DC Operation output current
Error output current
Temperature
Operating junction temperature (internally limited)
Storage temperature
Power Dissipation (Package Data)
Power
dissipation
at
T
Case
=
85°C,
TO-220
package
Power dissipation at TCase = 85°C, PLCC package
ESD
ESD tolerance (Note 2)
Recommended Operating Conditions
Parameter
Supply voltage
Output current
Operating ambient temperature
Error output current
Pin no.
1 [21]
5 [5]
5 [5]
2 [24]
4 [7]
Symbol
Min
V
CC
0
VIN -0.3
IIN
IOUT
I
ERR
-10
TJ
TS -55
P
D
PD
2000
Max
45
VCC
2.0
10
+140
+150
11
5
Unit
V
V
mA
A
mA
°C
°C
W
W
V
Symbol
VCC
I
OUT
T
A
IErr
Min
4.75
-40
Typ
5
Max
Unit
40 V
2.0 A
+85 °C
8 mA
IIN IIH IIL
Input
VIN
VIH
VIL I Err
Error
PBD 3545/1
Fault
Detector
Supply
I CC
Supply
voltage
IOUT IOS
I OMIN I OL
Output
+
C1
Load
VSAT Err
GND
PWR GND
VCE SAT
VCC
Figure 2. Definition of symbols.
2
Input level
High
Low
VCC
Output voltage
ON
50 %
90 %
50 %
10 %
t of
t phl
High
Input level
Low
OFF
50 %
Output voltage
VCC 90 %
50 %
10 %
t or
tplh
Figure 3. Timing diagram, input vs.
output. VCC = 24V.
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Part Number PBD3545-1
Description Universal Sink Driver
Maker Ericsson
Total Page 8 Pages
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