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产品型号TLE4287G的Datasheet PDF文件预览

5-V Voltage Regulator  
TLE 4287 G  
Features  
• Output voltage tolerance ≤ ± 2%  
• Very low standby current consumption  
• Input voltage up to 42 V  
• Reset function down to 1 V output voltage  
• ESD protection up to 2000 V  
• Adjustable reset time  
P-DSO-14-8  
• On/Off logic  
• Overtemperature protection  
• Reverse polarity protection  
• Short-circuit proof  
• Very wide temperature range  
• Very small output capacitor  
Type  
Ordering Code  
Package  
P-DSO-14-8 (SMD)  
TLE 4287 G  
New type  
Q67006-A9286  
Functional Description  
The TLE 4287 G is a monolithic integrated 5 V voltage regulator in P-DSO-14-8  
package. It supplies an output current IQ > 250 mA. The IC is short circuit proof and  
incorporates temperature protection which turns off the device at overtemperature.  
The input voltage VI is regulated in the range of 7.5 V < VI < 40 V to VQ,nom = 5 V.  
Therefore a reference voltage, which is kept highly accurate by resistance adjustment,  
is compared via a control amplifier to a voltage that is proportional to the output voltage.  
The control amplifier drives the base of the series transistor by a buffer.  
A comparator in the reset-generator block compares a reference voltage that is  
independent of the input voltage to the scaled-down output voltage. In the case of an  
output voltage VQ < 4.5 V the reset delay capacitor is discharged and a reset signal is  
generated by setting the reset output LOW. The reset delay time can be set by choosing  
the external capacitor over a wide range. When the output voltage rises above VQ  
4.5 V the reset delay capacitor is charged again. As soon as the delay capacitor  
voltage reaches the upper switching threshold the reset output pin is set HIGH again.  
Data Sheet Version 1.3  
1
2001-09-12  
TLE 4287 G  
The device has two logic inputs, EN and H. It is turned ON by a voltage > 4 V at EN, for  
example by the ignition and remains active in case H is set LOW, even if the voltage at  
EN goes LOW. This makes it possible to implement a self-holding circuit without external  
components. When the device is turned OFF, the output voltage drops to 0 V and current  
consumption tends towards 0 µA. (Please see following truth table).  
Design Notes for External Components  
The input capacitor CI is necessary for compensation line influences. The resonant  
circuit consisting of lead inductance and input capacitance can be damped by a resistor  
of approx. 1 in series with CI. The output capacitor is necessary for the stability of the  
regulating circuit. Stability is guaranteed for CQ 100 nF within the operating  
temperature range.  
State Table for Turn-On/Turn-Off Logic  
Nr.  
1
Enable EN Hold H  
VQ  
Remarks  
L
X
X
0 V  
5 V  
Initial state  
2
H
Regulator switched on via pin 6, by ignition for  
example  
3
4
5
6
H
X
L
L
L
L
H
5 V  
5 V  
5 V  
0 V  
Pin 9 clamped active to GND by controller  
while pin 6 is still HIGH  
Previous state remains, even ignition is shut  
off: self-holding state  
Ignition shut off while regulator is in self-  
holding state  
L
Regulator shut down by releasing of pin 9  
while pin 6 remains LOW, final state. No  
active clamping required by external self-  
holding circuit (µC) to keep regulator shut off  
Data Sheet Version 1.3  
2
2001-09-12  
TLE 4287 G  
I
N.C.  
GND  
GND  
GND  
EN  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
GND  
Q
GND  
GND  
GND  
H
RO  
8
D
AEP02240  
Figure 1  
Pin Configuration (top view)  
Pin Definitions and Functions  
Pin No.  
Symbol  
Function  
1
I
Input; block to ground directly at the IC by a ceramic  
capacitor  
2
N.C.  
Not connected  
3, 4, 5, 10, GND  
11, 12, 14  
Ground  
6
EN  
Enable; active high, device is turned ON by HIGH signal at  
this pin, internally connected to GND via pull-down resistor of  
100 kΩ  
7
RO  
D
Reset Output; open-collector output, internally connected to  
Q via a pull-up resistor of 30 kΩ  
8
Reset Delay; connect to GND via external delay capacitor for  
setting delay time  
9
H
Hold and release; active low, see truth table above for  
function, connected to Q via a pull-up resistor of 50 kΩ  
13  
Q
Output; block to GND with a capacitor CQ 100 nF  
Data Sheet Version 1.3  
3
2001-09-12  
TLE 4287 G  
Temperature  
Sensor  
Saturation  
Control and  
Protection Circuit  
13  
5V  
1
Input  
Output  
Control  
Amplifier  
7
Buffer  
Reset  
Output  
Bandgap  
Reference  
Reset  
Generator  
Adjustment  
8
Reset  
Delay  
Turn-ON /  
Turn-OFF  
Logic  
6
9
3,4,5,10,11,12,14  
Enable  
Hold  
GND  
AEB02241  
Figure 2  
Block Diagram  
Data Sheet Version 1.3  
4
2001-09-12  
TLE 4287 G  
Absolute Maximum Ratings  
Parameter  
Symbol Limit Values Unit  
min. max.  
Remarks  
Input I  
Voltage  
Current  
VI  
II  
0.5 42  
V
mA  
internally limited  
Output Q  
Voltage  
Current  
VQ  
IQ  
0.3  
7
V
internally limited  
Reset Output RO  
Voltage  
Current  
VR  
IR  
0.3  
7
V
internally limited  
Reset Delay D  
Voltage  
Current  
VD  
ID  
0.3 42  
V
Enable EN  
Voltage  
Current  
VEN  
IEN  
42  
5  
42  
5
V
mA  
t 400 ms  
Hold H  
Voltage  
Current  
VH  
IH  
2  
7
V
internally limited  
Data Sheet Version 1.3  
5
2001-09-12  
TLE 4287 G  
Absolute Maximum Ratings (contd)  
Parameter  
Symbol Limit Values Unit  
Remarks  
min.  
max.  
Ground GND  
Current  
0.5  
A
IGND  
Temperatures  
Junction temperature  
Junction temperature  
Storage temperature  
Tj  
40  
40  
50  
165  
175  
150  
°C  
°C  
°C  
Tj  
max. 15 min  
Tstg  
Note: Maximum ratings are absolute ratings; exceeding any one of these values may  
cause irreversible damage to the integrated circuit.  
Operating Range  
Parameter  
Symbol  
Limit Values Unit  
Remarks  
min.  
max.  
42  
Input voltage  
VI  
Tj  
7.5  
V
Junction temperature  
40  
165  
°C  
Thermal Resistances  
Junction pin  
Rthj-pin  
Rthj-a  
32  
K/W  
K/W  
measured to pin 4  
1)  
Junction ambient  
112  
1)  
Package mounted on PCB 80 × 80 × 1.5 mm3; 35µ Cu; 5µ Sn; Footprint only; zero airflow.  
Note: ESD-Protection according to MIL Std. 883: 2 kV.  
Data Sheet Version 1.3  
6
2001-09-12  
TLE 4287 G  
Electrical Characteristics  
7.5 V VI 40 V; 40 °C < Tj < 150 °C; VEN > 4 V (unless otherwise specified)  
Parameter  
Symbol  
Limit Values  
Unit Test Condition  
min. typ. max.  
Output voltage  
Output voltage  
VQ  
VQ  
4.90 5.0  
5.10 V  
5 mA < IQ < 200 mA  
7.5 V < VI < 22 V  
4.90 5.0  
5.10 V  
5 mA < IQ < 80 mA  
7.5 V < VI < 36 V  
Output current limitation IQ  
250  
mA  
V
VI < 22 V  
IQ = 200 mA1)  
Drop voltage  
VDR  
1.8  
2.5  
50  
Current consumption  
Iq = II IQ  
Iq  
Iq  
Iq  
µA  
Regulator OFF:  
VEN = 0 V, H = open  
Current consumption  
Iq = II IQ  
1.0  
2.3  
10  
5
µA  
Tj = 25 °C,  
VEN = 0 V, H = open  
Current consumption  
mA  
5 mA < IQ <200 mA,  
VI = 16 V  
Iq = II IQ  
Load regulation  
Line regulation  
VQ.lo  
VQ,li  
25 –  
25 –  
+ 25 mV  
+ 25 V  
5 mA < IQ < 200 mA  
7.5 V < VI < 22 V  
IQ = 20 mA  
Power-Supply-Ripple-  
Rejection  
PSRR  
55  
dB  
fr = 100 Hz;  
Vr = 0.5 VSS  
Temperature output  
voltage drift  
VQ /T –  
CQ 100  
0.5  
mV/K –  
Output capacitance  
nF  
Reset Generator  
Reset switching threshold VQ,rt  
Reset output low voltage VRL  
Reset output high voltage VRH  
4.50 4.65 4.80 V  
2)  
0.1  
0.4  
V
Rext = 4.7 kto VQ  
Rext = ∞  
4.5  
20  
5.05 V  
Reset pull up resistor  
RR  
30  
40  
kΩ  
internally connected  
to Q  
Reset charging current  
Upper timing threshold  
Lower timing threshold  
ID,c  
VDU  
VDL  
10  
15  
3
38  
µA  
V
VD = 1.5 V  
2.2  
0.1  
3.6  
0.43 0.8  
V
Data Sheet Version 1.3  
7
2001-09-12  
TLE 4287 G  
Electrical Characteristics (contd)  
7.5 V VI 40 V; 40 °C < Tj < 150 °C; VEN > 4 V (unless otherwise specified)  
Parameter  
Symbol  
Limit Values  
Unit Test Condition  
min. typ. max.  
Delay saturation voltage VD,sat  
50  
20  
2.0  
mV  
ms  
µs  
VQ < VQ,rt  
Reset delay time  
trd  
trr  
7.5  
0.5  
30  
4.0  
CD = 100 nF  
CD = 100 nF  
Reset reaction time  
Enable EN, Hold H  
Enable turn-ON voltage  
VEN  
2.3  
2.0  
50  
3.0  
2.5  
4.0  
3.5  
V
V
IC turned-ON  
IC turned-OFF  
Enable turn-OFF voltage VEN  
Enable pull-down resistor REN  
100 200 kΩ  
internally connected  
to GND  
Enable hysteresis  
VEN  
0.2  
0.4  
35  
35  
0.8  
V
Enable input current  
Hold keep on voltage  
IEN  
VH  
100 µA  
VEN = 4 V  
referred to VQ;  
VQ > 4.5 V  
referred to VQ;  
VQ > 4.5 V  
30  
50  
80  
%
%
Hold release voltage  
VH  
RH  
60  
20  
70  
50  
Hold pull-up resistor  
100 kΩ  
internally connected  
to Q  
1)  
Measured when the output voltage VQ has dropped 100 mV from the nominal value.  
The reset output is LOW between VQ = 1 V and Vrt.  
2)  
Data Sheet Version 1.3  
8
2001-09-12  
TLE 4287 G  
1
6
7
I
Q 13  
5 V  
Output  
Input  
CI  
100 nF  
Enable  
e.g. from  
Terminal 15  
EN  
RO  
TLE 4287  
8
CQ  
Reset  
to µC  
D
GND  
H
100 nF  
3, 4, 5,  
10, 11,  
12, 14  
9
CD  
100 nF  
Hold from µC  
AES02243  
Figure 3  
Application Circuit  
Data Sheet Version 1.3  
9
2001-09-12  
TLE 4287 G  
V
I
VEN  
VEN, ON  
VEN, OFF  
<
trr  
VQ  
VQ, rt  
trr  
VD  
VDU  
VDL  
VD, sat  
VRO  
trd  
VRL  
Power-ON Thermal  
Voltage Drop Undervoltage Secondary Load  
Shutdown  
Reset  
Shutdown  
at Input  
at Output  
Spike Bounce  
AES03087  
Figure 4  
Time Response  
Data Sheet Version 1.3  
10  
2001-09-12  
TLE 4287 G  
V
I
VEN  
1)  
5)  
VEN, ON  
VEN, OFF  
< 1 µs  
< 10 µs  
VH  
VH, rel  
2)  
4)  
6)  
10)  
7)  
VH, hold  
VQ  
VQ, nom  
VQ, rt  
8)  
VD  
VDU  
VDL  
VD, sat  
trr  
VRO  
trd  
3)  
9)  
VRL  
1) Enable active  
2) Hold inactive, pulled up by VQ  
3) Power-ON Reset  
6) Pulse width smaller than 1 µs  
7) Hold inactive, released by MC  
8) Voltage Controller shutdown  
9) Output-low reset  
4) Hold active, clamped to GND by external MC  
5) Enable inactive, clamped by int, pull-down resistor 10) No switch on via  
released toVE6  
V
E6 possible after E6 was  
>
VE6, rel for more than 4 µs  
AES03088  
Figure 5  
Enable and Hold Behavior  
Data Sheet Version 1.3  
11  
2001-09-12  
TLE 4287 G  
Package Outlines  
P-DSO-14-8  
(Plastic Dual Small Outline)  
Sorts of Packing  
Package outlines for tubes, trays etc. are contained in our  
Data Book Package Information.  
Dimensions in mm  
2001-09-12  
SMD = Surface Mounted Device  
Data Sheet Version 1.3  
12  
TLE 4287 G  
Edition 2001-09-12  
Published by Infineon Technologies AG,  
St.-Martin-Strasse 53,  
D-81541 München  
© Infineon Technologies AG 2001.  
All Rights Reserved.  
Attention please!  
The information herein is given to describe  
certain components and shall not be consid-  
ered as warranted characteristics.  
Terms of delivery and rights to technical  
change reserved.  
We hereby disclaim any and all warranties,  
including but not limited to warranties of non-  
infringement, regarding circuits, descriptions  
and charts stated herein.  
Infineon Technologies is an approved CECC  
manufacturer.  
Information  
For further information on technology, deliv-  
ery terms and conditions and prices please  
contact your nearest Infineon Technologies  
Office in Germany or our Infineon Technolo-  
gies Representatives worldwide (see ad-  
dress list).  
Warnings  
Due to technical requirements components  
may contain dangerous substances. For in-  
formation on the types in question please  
contact your nearest Infineon Technologies  
Office.  
Infineon Technologies Components may only  
be used in life-support devices or systems  
with the express written approval of Infineon  
Technologies, if a failure of such components  
can reasonably be expected to cause the fail-  
ure of that life-support device or system, or to  
affect the safety or effectiveness of that de-  
vice or system. Life support devices or sys-  
tems are intended to be implanted in the hu-  
man body, or to support and/or maintain and  
sustain and/or protect human life. If they fail, it  
is reasonable to assume that the health of the  
user or other persons may be endangered.  
Data Sheet Version 1.3  
13  
2001-09-12  
配单直通车
TLE4286GNTSA1产品参数
型号:TLE4286GNTSA1
是否无铅: 含铅
是否Rohs认证: 不符合
生命周期:Obsolete
IHS 制造商:INFINEON TECHNOLOGIES AG
零件包装代码:SOIC
包装说明:SCT-595, 5 PIN
针数:5
Reach Compliance Code:compliant
ECCN代码:EAR99
HTS代码:8542.39.00.01
风险等级:5.88
可调性:FIXED
最大回动电压 1:1.1 V
标称回动电压 1:0.8 V
最大绝对输入电压:45 V
最大输入电压:42 V
最小输入电压:6 V
JESD-30 代码:R-PDSO-G5
长度:2.9 mm
最大电网调整率:0.01%
最大负载调整率:0.01%
功能数量:1
输出次数:1
端子数量:5
工作温度TJ-Max:150 °C
工作温度TJ-Min:-40 °C
最大输出电流 1:0.015 A
最大输出电压 1:5.2 V
最小输出电压 1:4.8 V
标称输出电压 1:5 V
封装主体材料:PLASTIC/EPOXY
封装代码:TSOP
封装等效代码:TSOP5,.09(UNSPEC)
封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE
峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified
调节器类型:FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
筛选级别:AEC-Q100
座面最大高度:1.1 mm
表面贴装:YES
端子形式:GULL WING
端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED
最大电压容差:4%
宽度:1.6 mm
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