Data Sheet

15

Rev. 1.2, 2009-11-18

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.

Figure 5

Application circuit: Output voltage

V

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

V

voltage

V

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

ADJ

I

Q

EN/

GND

TLE4254GA

TLE4254EJ A

8

2, 3, 6, 7

5

1

VDD

I/O

IQ

GND

VBAT

e.g. off board

supply,

sensors

VREF

micro controller

e.g.

C167,

XC16X

TC17xx

Main µC supply

e.g.

TLE4271-2

TLE4471

TLE6368...

FB

4

EN/

ADJ

IQ

GND

TLE4254GS

TLE4254EJ S

8

5

1

micro controller

e.g.

C167,

XC16X

TC17xx

VDD

I/O

Main µC supply

e.g.

TLE4271-2

TLE4471

TLE6368...

IQ

GND

VBAT

VQ < VREF

VREF

ST

4

2, 3, 6, 7

I/O