TLE4253 데이터 시트보기 (PDF) - Infineon Technologies

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TLE4253

Low Dropout Voltage Tracking Regulator

Infineon Technologies 

TLE4253

Application Information

6

Application Information

Note: The following information is given as a hint for the implementation of the device only and shall not be

regarded as a description or warranty of a certain functionality, condition or quality of the device.

The application circuits shown are simplified examples. The function must be verified in the real application.

VBAT

Main µC supply, e.g.

I TLE4271-2 Q

TLE4278

TLE4470

etc.

GND

VREF

µC, e.g. C167

VDD

I/O

EN/

5 ADJ

1

Q

TLE 4253 G

I

8

GND

2, 3, 6, 7

4

FB

e.g. off board

supply,

sensors

Figure 3 Application circuit: Output voltage VQ equal to reference voltage VREF

Figure 3 shows the typical schematic for applications where the tracker output voltage equals the reference

voltage VREF applied to the pin “EN/ADJ”. The pin “FB” is connected directly to the output. The reference voltage

is directly applied “EN/ADJ”.

Data Sheet

16

Rev. 1.2, 2009-11-09

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