Data Sheet

12

Rev. 2.7, 2007-06-25

TLE 4271-2

The reset reaction time

t

LOW after the output voltage has dropped below the reset threshold. It is typically 1

µs

for delay capacitor of 47 nF. For other values for

C

using the following equation:

t

(2)

Figure 5

Time Response

AET01985

RR

t

<

Power

Reset

Shutdown

Thermal

Voltage Drop

at Input

Undervoltage

at Output

Secondary

Spike

Bounce

Load

Shutdown

on

LD

V

UD

V

RT

V

L, INH

V

INH

V

RO

V

Q

V

Ι

V

t

t

t

t

t

=

dt

V

d

D

D

C

Ι