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PDF NJM3545 Data sheet ( Hoja de datos )
| Número de pieza | NJM3545 | |
| Descripción | UNIVERSAL SINK DRIVER | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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UNIVERSAL SINK DRIVER
NJM3545
s GENERAL DESCRIPTION
s PACKAGE OUTLINE
NJM3545 is a bipolar universal high-current highly protected
low side driver with transparent input and 2000mA continuous
-current sink capability. A high-level input activates the output.
The driver is equipped with extensive electrical protection;
such as over current protection and thermal protection,
which makes the device virtually 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.
The NJM3545 and NJM3548 are complementary drivers and
have similar data.
NJM3545TA2
s FEATURES
• 2000mA 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
• Package TO-220 (5-pin)
s BLOCK DIAGRAM
NJM3545
To logic
Input
Supply
Voltage reference
Output
Error
QS
R
Thermal
protection
Short-circuit to
Vcc protection
Short-circuit to
GND detection
Open circuit
detection
GND
Figure 1. Block Diagram
1 page  
s ABSOLUTE MAXIMUM RATINGS
Parameter
Voltage
Supply voltage
Logic input voltage
Current
Logic input current
Continuous DC Operation output current TO-220
Error output current
Temperature
Operating junction temperature (internally limited)
Storage temperature
Power Dissipation (Package Data)
Power dissipation at TCase = 85°C, TO-220 package
ESD
ESD tolerance (Note 2)
s RECOMMENDED OPERATING CONDITIONS
Parameter
Supply voltage
Output current TO-220
Operating junction temperature
Error output current
NJM3545
Pin no.
Symbol
Min
Max
1V
0 45
CC
5 VIN -0.3 VCC
5
IIN -10
-
2 IOUT - 2000
4
IERR
-
10
TJ - +140
TS -40 +150
PD - 11
2000
-
Unit
V
V
mA
mA
mA
°C
°C
W
V
Symbol
Min
Typ
Max
Unit
V 4.75 -
CC
40
V
I
-
-
2000
mA
OUT
Tj
-40 -
+100
°C
IErr
- 58
mA
IIN I IH I IL
Input
VIN
VIH
VIL IErr
Error
NJM3545
Fault
Detector
VSAT Err
Figure 9. Definition of symbols
Supply
I CC
Supply
voltage
I OUT I OS
IOMIN I OL
Output
+
C1
Load
GND
VCE SAT
VCC
Input level
High
Low
VCC
Output voltage
ON
50 %
90 %
50 %
10 %
t of
t phl
High
Input level
Low
Output voltage
OFF
50 %
VCC
tplh
90 %
50 %
10 %
tor
Figure 10. Timing diagram, input vs.
output. V = 24V
CC
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet NJM3545.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| NJM3545 | UNIVERSAL SINK DRIVER | New Japan Radio |
| NJM3545TA2 | UNIVERSAL SINK DRIVER | New Japan Radio |
| NJM3548 | UNIVERSAL SOURCE DRIVER | New Japan Radio |
| NJM3548TA2 | UNIVERSAL SOURCE DRIVER | New Japan Radio |
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