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Ericsson

PBD3548-1 Datasheet Preview

PBD3548-1 Datasheet

Universal Source Driver

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February 1999
PBD 3548/1
Universal Source Driver
Description
PBD 3548/1 is a bipolar universal high-current highly-protected high side driver with
transparent input and 2 A continuous-current source capability. A low-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 VCC.
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 3548/1 and PBD 3545/1 are complementary drivers and have similar data.
Key Features
2 A continuous-output current
• Short circuit to ground protection
• Error signal to host system
• Open circuit detection
• Short circuit to VCC 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 3548/1 To logic
Input
Voltage reference
Error
QS
R
Thermal
protection
Short-circuit to
GND protection
hShort-circuit to
Vcc detection
Open circuit
detection
Figure 1. Block Diagram.
Vcc
Output
GND
354P8/B1D
TO-220 5-pin package
28-pin PLCC package
1
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Ericsson

PBD3548-1 Datasheet Preview

PBD3548-1 Datasheet

Universal Source Driver

No Preview Available !

PBD 3548/1
Maximum Ratings
Parameter
Voltage
Supply voltage
Logic input voltage
Current
Logic input current
Continuous DC Operation output current TO-220
Continuous DC Operation output current PLCC
Error output current
Temperature
Operating junction temperature (internally limited)
Storage temperature
Power Dissipation (Package Data)
Power dissipation at TCase = 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, TO-220 package
Output current, PLCC package
Operating junction temperature
Error output current
Pin no. *
Symbol
Min
1 [21]
5 [5]
5 [5]
2
[24]
4 [7]
VCC
VIn
IIn
IOut
IOut
IErr
TJ
TStg
PD
PD
04
-0.3
-10
2000
900
-40
-55
2000
Max
5
VCC
10
+140
+150
11
5W
Unit
V
V
mA
mA
mA
mA
°C
°C
W
V
Symbol
VCC
IOut
IOut
Tj
IErr
Min
4.75
-2000
-900
-40
Typ
58m
Max
40
+85
Unit
V
mA
mA
°C
A
Supply
I In I IH I IL
Input
VIn
VIH
VIL I Err
Error
PBD 3548/1
Fault
Detector
VSat Err
Pin no. DI P
Figure 2. Definition of symbols.
2
I CC
Supply
voltage
VCE Sat
VCC
I Out I OS
I OMin I OL
Output
GND
+
C1
Load
High
Input level
Low
ON
50 %
VCC
Output voltage
High
Input level
Low
t phl
OFF
50 %
90 %
50 %
10 %
t of
VCC
Output voltage
tplh
90 %
50 %
10 %
t or
Figure 3. Timing diagram, input vs.
output. VCC = 24V.
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Part Number PBD3548-1
Description Universal Source Driver
Maker Ericsson
Total Page 8 Pages
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