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产品型号PBD3545/1的Datasheet PDF文件预览

January 1993  
PBD 3545/1  
Universal Sink Driver  
Description  
Key Features  
2 A continuous-output current  
Short circuit to VCC protection  
Error signal to host system  
Open circuit detection  
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.  
Short circuit to ground detection  
Thermal protection  
The PBD 3545/1 and PBD 3548/1 are complementary drivers and have similar data.  
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.  
Supply  
1 [21]  
PBD 3545/1  
Voltage reference  
To logic  
5 [5]  
Output  
PWR  
PBD  
3545/1  
Input  
Error  
Thermal  
protection  
PBD  
3545/1  
Short-circuit to  
Q S  
R
V
protection  
cc  
GND  
Short-circuit to  
GND detection  
4 [7]  
[27]  
(PLCC only)  
Open circuit  
detection  
[1-3,9,13-17,26,28]  
TO-220 5-pin package  
28-pin PLCC package  
Figure 1. Block Diagram. Pin number in brackets refer to PLCC package.  
1
PBD 3545/1  
Maximum Ratings  
Parameter  
Pin no.  
Symbol  
Min  
Max  
Unit  
Voltage  
Supply voltage  
Logic input voltage  
1 [21]  
5 [5]  
VCC  
VIN  
0
-0.3  
45  
VCC  
V
V
Current  
Logic input current  
Continuous DC Operation output current  
Error output current  
5 [5]  
2 [24]  
4 [7]  
IIN  
IOUT  
IERR  
-10  
mA  
A
mA  
2.0  
10  
Temperature  
Operating junction temperature (internally limited)  
Storage temperature  
TJ  
TS  
+140  
+150  
°C  
°C  
-55  
Power Dissipation (Package Data)  
Power dissipation at TCase = 85°C, TO-220 package  
Power dissipation at TCase = 85°C, PLCC package  
PD  
PD  
11  
5
W
W
ESD  
ESD tolerance (Note 2)  
2000  
V
Recommended Operating Conditions  
Parameter  
Symbol  
Min  
Typ  
Max  
Unit  
Supply voltage  
Output current  
Operating ambient temperature  
Error output current  
VCC  
IOUT  
TA  
4.75  
40  
2.0  
+85  
8
V
A
°C  
mA  
-40  
IErr  
5
ON  
High  
Supply  
voltage  
Input level  
50 %  
I CC  
Low  
VCC  
Supply  
IOUT IOS  
IOMIN IOL  
90 %  
Load  
PBD 3545/1  
Output voltage  
50 %  
10 %  
IIN IIH IIL  
Output  
Input  
VIN  
tof  
+
VIH  
tphl  
C1  
Fault  
Detector  
VIL  
IErr  
Error  
OFF  
High  
GND  
PWR GND  
Input level  
50 %  
Low  
VSAT Err  
VCE SAT  
VCC  
VCC  
90 %  
50 %  
Output voltage  
10 %  
tor  
tplh  
Figure 2. Definition of symbols.  
2
Figure 3. Timing diagram, input vs.  
output. VCC = 24V.  
PBD 3545/1  
Electrical Characteristics  
At 5 V VCC 40 V, -40°C TJ +100°C. Typical values are given at VCC = 24 V, TJ = 25°C.  
Ref.  
fig.  
Parameter  
Symbol  
Conditions  
Min  
Typ  
Max  
Unit  
General  
Supply currrent  
Thermal shutdown  
Thermal shutdown release  
ICC  
TJS  
TJSR  
2,7  
0 VIN 0.8  
1.5  
+120  
+110  
4
7
mA  
°C  
°C  
+130  
+120  
+140  
+130  
Logic input  
High level input voltage  
Low level input voltage  
High level input current  
Low level input current  
VIH  
VIL  
IIH  
2
2
2,9  
2,9  
2.0  
-0.3  
VCC  
0.8  
20  
V
V
µA  
µA  
2.0 VIN VCC  
0 VIN 0.8  
9
IIH  
-400  
Outputs  
Error output saturation voltage VErr SAT 2,10  
IErr = 5 mA  
IOUT = 2 A  
0.2  
1.4  
3.2  
2
1
V
V
A
mA  
Output saturation voltage  
Output current shutdown  
Output current  
VCE SAT 2,11  
1.8  
4.5  
8
IOS  
2,5,14 2.0 VIN VCC  
2.0  
0.5  
IOMIN  
2,5  
2.0 VIN VCC  
(not detected as open circuit)  
Output leakage current  
Clamping diode forward voltage  
IOL  
2,12  
8
0 VVIN 0.8 V. Output = 0 V  
IF = 2.0 A  
-8  
-6  
1.5  
-2  
1.8  
µA  
V
Timing  
Propagation time  
3
IOUT = 2 A  
Output high to low (50%),  
Output low to high (50%),  
Rise time (10 to 90%),  
Fall time (90 to 10%),  
tphl  
tplh  
tor  
1.5  
0.5  
0.2  
0.2  
3.0  
1.0  
0.5  
0.5  
µs  
µs  
µs  
µs  
3
3
tof  
Thermal Charateristics  
Ref.  
fig.  
Parameter  
Symbol  
Conditions  
Min  
Typ  
Max  
Unit  
Thermal resistance  
Rth J-C 21  
RthJ-A 21  
RthJ-BW 20  
RthJ-A 20,22 PLCC package, note 3.  
TO-220 package, junction to case  
TO-220 package, junction to ambient  
PLCC package, junction to batwing, note 4  
5
60  
°C/W  
°C/W  
°C/W  
°C/W  
10  
35  
Notes: 1. Currents are defined positive if flowing into, and negative if flowing out of a terminal. Voltages are defined between  
terminal and ground.  
2. ESD testing according to Human Body Model (CZap = 100 pF, RZap = 1500 )  
3. All ground pins soldered onto a 20 cm2 PCB copper area with free air convection, TA = +25°C.  
4. Batwing = Ground pins.  
3
PBD 3545/1  
5
4
3
2
1
Input  
Error  
Ground  
Output  
Supply +  
5
6
7
8
9
25  
24  
NC  
Input  
NC  
Output  
23 NC  
Error  
NC  
22  
NC  
PBD 3545/1QN  
GND  
21  
Supply  
20 NC  
19  
NC 10  
11  
NC  
NC  
Figure 4. Pin descriptions.  
Pin Description  
TO-220 PLCC  
Symbol  
Description  
1
2
3
[21]  
[24]  
Supply  
Supply voltage. Nominally 5 V to 40 V.  
Output  
Output pin. Current flows from supply through the load into the pin. Nominal current is 8 mA to 2 A.  
[1-3,9, GND  
13-17,26,28]  
[27]  
Ground supply. Note: for PLCC these pins are used thermally for heat sinking. Make sure that all pins  
are soldered onto a suitably large copper ground for efficient heat sinking. Power ground pin.  
In the PLCC package, the emitter of the output transistor including the protection  
diode are bonded to a separate pin.  
Error indicating pin. Sinks current to ground if the protection and/or detection circuitry is activated.  
Note: the current must be externally limited to 8 mA.  
PWR  
GND  
Error  
4
[7]  
5
[5]  
Input  
TTL compatible input. A LOW input signal turns the output transistor off and a HIGH input turns it on.  
If the input is left open it will be detected as low level.  
NC  
[4,6,8,10-12  
18-20,22,23,25]  
No connection. Pins are not bonded to the chip and may therefore be  
soldered to any PC board trace for efficient heat sinking.  
Output  
voltage  
Output  
voltage  
PBD 3545/1  
Active output  
PBD 3545/1  
Inactive output  
V
cc  
Overload or short  
100% V  
cc  
circuit to V Error  
cc  
Normal operation  
Undefined area  
3.5 V  
70% Vcc  
50% Vcc  
Undefined area  
2.1 V  
Normal operation  
Undefined area  
Short circuit to GND Error  
0.6 V  
0.2 V  
Short circuit to GND error  
Output  
current  
IOMIN  
(min 0.5 mA, max 8 mA)  
I
OS  
0% V  
cc  
(min 2 A, max 4.5 A)  
Figure 6. Error state vs. output voltage, inactive  
output (0 V VIN 0.8 V), 5 V VCC 40 V,  
- 40°C < TJ < +100°C.  
Figure 5. Error state vs. output voltage and output current,  
active output (2.0 VIN VCC), 5 V < VCC < 40 V, - 40°C <TJ <  
+100°C.  
4
PBD 3545/1  
Typical Performance Characeristics  
Icc (mA)  
10  
IIN (µA)  
20  
IF (A)  
2.0  
-40°C TJ 100°C  
-40°C TJ 100°C  
TJ = 25°C  
8
16  
12  
8
1.6  
6
4
2
0
1.2  
0.8  
0.4  
0
4
0
0
0.4  
0.8  
1.2  
1.6  
0
10  
30  
40  
2.0  
20Vcc (V)  
50  
0
0.5  
1.0  
1.5  
2.0  
2.5  
V
IN(V)  
VF (V)  
Figure 8. Diode forward voltage drop vs.  
forward current.  
Figure 9. Input current vs. input voltage.  
5 V VCC 40 V.  
Figure 7. Current consumption vs.  
supply voltage at 0 V Vin 0.8 V.  
(Inactive output)  
I OL (µA)  
-20  
IERR (mA)  
I
OUT(A)  
5
20  
TJ 25°C  
TJ = 25°C  
-16  
4
3
2
1
16  
-12  
12  
8
-40°C TJ 100°C  
-8  
4
-4  
0
0
0
0.4  
0.8  
1.2  
1.6  
2.0  
2.4  
4
6
8
0
2
10  
0
10  
30  
CC (V)  
40  
20V  
50  
(V)  
VCE SAT  
VERR(V)  
Figure 10. Error output saturation  
voltage vs. error current. VCC = 24 V.  
Figure 11. Output saturation voltage vs.  
output current. 5 V < VCC < 40 V.  
Figure 12. Output leakage current vs.  
supply voltage. 0 V VIN 0.8 V.  
Output = 0 V.  
PDIS (W)  
6
IOS (A)  
5
5
4
4
3
2
1
0
3
2
1
0
0
0.5  
1.0  
I OU1.T5(A) 2.0  
2.5  
3.0  
-40  
-20  
0
20  
TJ40(°C)  
60  
80  
100  
120  
Figure 13. Power dissipation vs. output  
current.  
Figure 14. Typical output current shut-down vs. chip temperature. 5 V VCC 40 V.  
5
PBD 3545/1  
Output stage  
The output will be turned off immedi-  
ately and latched to a high-impedance  
state after an overload or short circuit  
has been detected.  
A logic-level change at the input will  
reset the internal error latch. If the fault  
still is present at turn-on, the circuit will  
once again turn the output off.  
Due to a slight delay in the circuit, a  
high current transient will occur when the  
output is shorted to Vcc. This current  
transient may reach 8 A during 5 µs.  
Consequently, switching at high frequen-  
cies with a shorted output may destroy  
the circuit. If a short circuit condition is  
detected, stop switching the input and  
remove fault condition.  
Functional Description  
The output stage contains a power  
transistor and two clamping diodes. The  
diodes are used for terminating line  
transients from inductive loads. If the  
driver is inactive and the output is  
shorted to GND the driver will leak  
maximum  
The circuit PBD 3545/1 is a low side  
driver capable of driving resistive or  
inductive loads not exceeding 2 A.  
The driver has an error indicating  
function which generates an Error output  
signal when a fault condition has  
occurred.  
The circuits PBD 3545/1 and PBD  
3548/1 are complementary drivers with  
equivalent functions and similar data.  
PDB 3545/1 is a sink driver and PBD  
3548/1 is a source driver.  
8 µA. See figure 12.  
Protection circutry  
The circuit contains two protection  
circuits:  
Overload and Short circuit protection  
Input stage  
Thermal protection  
The output stage is switched on and off  
according to the status of the input.  
HIGH level activates the output. If the  
input is left open, the circuit will accept it  
as a LOW level.  
The overload and short circuit protection  
will be activated at Iout= 3.5 A typically at  
TJ= +25°C, see figure 14.  
Thermal protection  
The output of PDB 3545/1 is equipped  
with a thermal shut-down function, which  
limits the junction temperature to  
typically +130°C. The output will be  
turned off until the junction temperature  
has decreased to approximately 120°C.  
1 [21]  
V
I
CC  
Ref  
Error functions  
2 [24]  
5 [5]  
The Error indicating signal occurs on a  
separate pin. The complete error table  
is shown in figure 17.  
Output  
Input  
The following conditions generate an  
error signal:  
When the driver is activated and at least  
one of the following conditions has  
occurred:  
[27] PWR GND  
(PLCC only)  
3
GND  
[1-3,9,13-  
GND  
3 [1-3,9,13-  
17,26,28]  
17,26,28]  
Figure 15. Input stage.  
Figure 16. Output stage.  
Fault condition  
Input  
Output  
Error  
How to resume normal operation  
LOW=ERROR  
HIGH=Normal  
Normal  
0
1
0
1
0
1
0
1
0
1
LOW  
1 OFF  
1 HIGH  
1 HIGH  
——  
——  
HIGH  
LOW  
HIGH  
LOW  
HIGH  
LOW  
HIGH  
LOW  
HIGH  
0
ON  
1 OFF  
ON  
VOUT Short to GND  
0
0
LOW  
LOW  
Remove fault condition.  
0
Remove fault condition.  
VOUT Short to VCC  
Open load  
1 OFF  
1 OFF  
1 OFF  
1 HIGH  
LOW  
1 HIGH  
LOW  
1 HIGH  
LOW  
——  
0
Turn off and on after fault condition is removed.  
——  
0
ON  
0
Attach proper load to output or turn off the driver.  
——  
Over temperature  
1 OFF  
1 OFF  
TJ=130 °C  
0
Temperature is reduced to approx 120°C, or turn off the driver.  
Figure 17. Error table.  
6
PBD 3545/1  
thermal overload  
short circuit to GND  
short circuit to VCC  
open circuit  
VIN  
An output current less than 8 mA  
VOUT  
IOUT  
VErr  
might be detected as “open circuit”.  
Output currents larger than 8 mA and  
less than 2 A will definitely not generate  
an error. The normal operational area is  
shown in figure 5.  
Also when the driver is inactivated an  
Error indication can occur. That is if the  
output is shorted to GND. In figure 6  
short circuit to GND Error state versus  
output voltage is shown.  
*
>130° <120°  
When the Error-detection function is  
activated, the Error output is capable of  
sinking 8 mA, supporting direct connec-  
tion of an LED. The current has to be  
externally limited by a series resistor.  
Overload or Short circuit Open circuit  
Normal  
operation  
Over  
temperature  
short circuit to GND  
Undefined  
level  
*
Figure 18. Signal diagram.  
Signal diagrams  
The signal diagram in figure 18 shows  
the input signal and the resulting output  
signals for each error mode. For details,  
se error table, figure 17.  
+ 5 V  
Load  
5 k  
V
cc  
R1  
R 2  
1 [21]  
PBD 3545/1  
Voltage reference  
To logic  
VIN = Input voltage. Active = HIGH.  
VOUT = Output voltage.  
5 [5]  
Output  
Input  
TTL,  
LS-TTL,  
CMOS  
IOUT = Output current from driver.  
Thermal  
protection  
V
ERR = Error output voltage.  
+
Short-circuit to  
µP,  
controller  
Q
S
R
Error = LOW.  
V
cc  
protection  
Short-circuit to  
GND detection  
PWR GND  
(PLCC only)  
4 [7]  
Applications Information  
Error  
Open circuit  
detection  
Important application areas are:  
Programmable logic control  
systems.  
Security systems.  
Relay control.  
Figure 19. Typical application. Pin numbers refer to TO 220 package.  
parallel will improve high frequency  
decoupling. Typical values range from  
0.002 µF to 0.1 µF. In an application  
having a highly stable supply and short  
power leads to the driver a low leakage  
electrolytic type can be used, which is  
less expensive.  
Hydraulic valves.  
4. If several supply voltages are to be  
used, prefere a supply having separate  
ground leads. In this case the logic  
ground and the power ground should be  
connected together at only one point,  
the ground pin of the driver.  
Intelligent interfaces between  
microprocessors and loads.  
Vehicle control systems.  
Robot techniques.  
Dashboard information systems.  
Print head drivers.  
Switch mode applications  
3. Connect Input and Error via pull-up  
resistors to the appropriate logic supply  
level or VCC to obtain highest noise  
immunity. Se figure 19. The resistor R1  
limits the current into the Error indicating  
pin. This current must not exeed 8 mA.  
R2 is a pull-up resistor which improves  
noise immunity at the Input. Pull-up  
current should not exeed the sinking  
capacity of the controlling device output.  
The internal diodes are normally  
sufficient for clamping of transients  
caused by inductive load turn off.  
External diodes may be necessary in  
PWM/switch mode applications, and  
when the terminals are externally  
accessible and thereby exposed to an  
electrically noisy environment. Recom-  
mended diodes are BYV27/100,  
BYV98/100, UF4001 or similar types  
with a trr < 100 ns and IF 1 A.  
High-current stepper motor drivers  
with security aspects.  
Transient protection  
1. Keep VCC and GND leads as short as  
possible.  
2. Connect a filter capacitor close to the  
circuit. Recommended filter capacitor  
between VCC and GND is 6.8 µF, of  
tantalum type. A ceramic capacitor in  
7
PBD 3545/1  
Error indication signal  
Maximum allowable power dissipation [W]  
Maximum allowable power dissipation [W]  
When the circuit is switched on/off, a  
short pulse (tErr <10 µS for resistive  
loads) is generated at the Error output.  
This is a correct detection of an incor-  
rect level during the rise and fall times of  
the output voltage. Consequently the  
Error output should not be detected  
when switching on and off. An alterna-  
tive is to low-pass filter at the Error  
output at around 100 kHz.  
TO 220 Package  
PLCC Package  
6
6
5
5
4
b
c
4
*
*
b
a
3
3
2
1
0
a
2
Heat sinking  
1
0
PBD 3545/1N is packaged in a 5-pin TO  
220 power package. The circuit GND is  
connected to the heat sink tab. External  
heatsinking is achieved by mounting the  
package to a heat sink.  
The circuit is also avaible in a 28 pin  
power PLCC package. In the PLCC  
package the circuit ground is connected  
to the lead frame batwing. External  
heatsinking is achieved by soldering the  
ground leads onto a copper ground  
plane. Note: The power ground pin  
(PWR GND) should also be connected  
to the ground plane.  
Maximum continuous output current is  
heavily dependant on the heatsinking  
applied and ambient temperature.  
Consult figures 13, 20, 21 and 22 to  
determine the maximum output current  
under varying conditions.  
-40 -20  
0
20 40 60 80 100 120 140  
-40 -20  
0
20 40 60 80 100 120 140  
Temperature [°C]  
Temperature [°C]  
a. Ambient temperature. RthJ-A =35°C/W.  
b. Batwing pin temperature. Rth J-C =10°C/W.  
a. Ambient temperature. No heatsink. RthJ-A =60°C/W.  
b. Mounted on heatsink. RthJ-A =20°C/W @ 4W.  
c. Case temperature. RthJ-C=5°C/W.  
All ground pins soldered onto a 20 cm2 PCB copper  
area with free air convection.  
Figure 21. Maximum allowable power  
dissipation. TO 220 package.  
Figure 20. Maximum allowable power  
dissipation. PLCC package.  
Thermal resistance [°C/W]  
80  
70  
60  
50  
40  
30  
20  
5
10  
15  
20  
25  
30  
35  
PCB copper foil area [cm2]  
PLCC package  
Figure 22. Typical thermal resistance vs. PC board copper area and suggested layout.  
Information given in this data sheet is believed to be  
Ordering Information  
accurate and reliable. However no responsibility is  
assumed for the consequences of its use nor for any  
infringement of patents or other rights of third parties  
which may result from its use. No license is granted  
by implication or otherwise under any patent or patent  
rights of Ericsson Components. These products are  
sold only according to Ericsson Components’ general  
conditions of sale, unless otherwise confirmed in  
writing.  
Package  
Temp. range  
Part No.  
TO-220  
PLCC  
-40 to +85°C  
-40 to +85°C  
PBD 3545/1N  
PBD 3545/1QN  
Specifications subject to change without  
notice.  
1522-PBD 3545/1 Uen Rev.B  
© Ericsson Components 1993  
Ericsson Components AB  
S-164 81 Kista-Stockholm, Sweden  
Telephone: (08) 757 50 00  
8
配单直通车
PBD3545产品参数
型号:PBD3545
是否Rohs认证: 不符合
生命周期:Obsolete
包装说明:, SIP5,.1,67TB
Reach Compliance Code:unknown
风险等级:5.9
驱动器位数:1
JESD-609代码:e0
端子数量:5
最高工作温度:70 °C
最低工作温度:
最大输出电流:2 A
封装主体材料:PLASTIC/EPOXY
封装等效代码:SIP5,.1,67TB
电源:5/40 V
认证状态:Not Qualified
子类别:Peripheral Drivers
表面贴装:NO
技术:BIPOLAR
温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)
端子节距:1.7 mm
端子位置:SINGLE
Base Number Matches:1
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