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Q67006-A9286 Datasheet

  • Q67006-A9286

  • 5-V Voltage Regulator

  • 13頁(yè)

  • INFINEON   INFINEON

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5-V Voltage Regulator
TLE 4287 G
Features
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Output voltage tolerance
鈮?鹵
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
On/Off logic
Overtemperature protection
Reverse polarity protection
Short-circuit proof
Very wide temperature range
Very small output capacitor
Ordering Code
Q67006-A9286
P-DSO-14-8
Type
TLE 4287 G
New type
Package
P-DSO-14-8 (SMD)
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
V
Q
< 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
V
Q
鈮?/div>
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


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
I
Q
> 250 mA. The IC is short circuit proof and
incorporates temperature protection which turns off the device at overtemperature.
The input voltage
V
I
is regulated in the range of 7.5 V <
V
I
< 40 V to
V
Q,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.

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