TLE4252 데이터 시트보기 (PDF) - Infineon Technologies

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TLE4252

Tracking Regulator

Infineon Technologies 

TLE 4252

Application Information

VBAT

I Main µC Supply Q

e.g.

TLE 4271-2

TLE 4278

TLE 4470

etc.

GND

VDD

R1ADJ

µC

e.g. C167

R2ADJ

I/O

EN

4

ADJ

5

Q

TLE 4252 D

1I

GND

VQ < VREF

AEA03535.VSD

Figure 3 Application Circuit: Output Voltage < Reference Voltage

Figure 3 shows a typical application circuit with VQ < VREF. Of course, also VQ = VREF is

feasible by directly connecting the reference pin of the TLE 4252 D to the appropriate

voltage level without voltage divider.

The output voltage calculates to:

VQ

=

VREF

×





-R----1--A---D-R--J--2--+-A---D-R--J--2---A---D---J

(1)

Data Sheet

8

Rev. 1.2, 2004-08-11

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