Data Sheet

18

Rev. 1.6, 2009-02-03

TLE 4471

Figure 6

Adjusting the Reset Threshold

For using the preadjusted reset threshold voltage of typical

V

has to be connected to GND.

If a lower reset threshold is required by the system, a voltage divider defines the reset

threshold

V

(3)

V

AES02877

Bandgap

Reference

TLE 4471

Q

I

1

1.36 V

R

RADJ

R

RTH1

R

RTH2

V

rth,ref

V

Qrthext

,

V

rth ref

,

1

R

RTH1

R

RTH2

---------------

+





×

=