TLE4254 데이터 시트보기 (PDF) - Infineon Technologies

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TLE4254

High Accuracy Low Dropout Voltage Tracking Regulator

Infineon Technologies 

TLE4254

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

I

e.g.

Q

TLE4271-2

TLE4471

TLE6368...

GND

VREF

micro controller

e.g.

VDD

C167,

XC16X

TC17xx

I/O

EN/

5 ADJ

1

Q

TLE4254GA

TLE4254EJ A

I

8

FB

4

GND

2, 3, 6, 7

e.g. off board

supply,

sensors

VBAT

Main µC supply

I

e.g.

Q

TLE4271-2

TLE4471

TLE6368...

GND

VREF

micro controller

e.g.

VDD

C167,

XC16X

TC17xx

I/O

I/O

EN/

5 ADJ

4

ST

TLE4254GS

TLE4254EJ S

I

8

1

Q

GND

2, 3, 6, 7

VQ < VREF

Figure 5 Application circuit: Output voltage VQ equal to reference voltage VADJ/EN

Figure 5 shows a typical schematic for applications where the tracker output voltage VQ equals the reference

voltage VREF applied to the pin “EN/ADJ”. At version GA / EJ A, the pin FB is directly connected to the output “Q”.

The reference voltage is directly applied to “EN/ADJ”.

Data Sheet

15

Rev. 1.2, 2009-11-18

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