TLE4268(2001) データシートの表示（PDF） - Infineon Technologies

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TLE4268
(Rev.:2001)

5-V Low-Drop Fixed Voltage Regulator

Infineon Technologies 

TLE 4268

Characteristics (cont’d)

VI = 13.5 V; – 40 °C ≤ Tj ≤ 125 °C (unless otherwise specified)

Parameter

Symbol

Limit Values

Unit

min. typ. max.

Test Condition

Reset Generator

Reset threshold

Reset adjust

threshold

Reset low voltage

Saturation voltage

Charging current

Upper reset timing

threshold

Reset delay time

Reset reaction time

Pull-up

Lower reset timing

threshold

VQ,rt

VRADJ

VRO,l

VD

ID,c

VDU

trd

trr

RRO

VDRL

4.2 4.5 4.8 V –

1.28 1.35 1.45 V –

–

0.2 0.5 V 1 mA extern

–

30

100 mV VQ < VRT

5

12

18

µA VD = 1.0 V

1.4 1.8 2.2 V –

10

15

25

ms CD = 100 nF

–

2

–

µs CD = 100 nF

18

30

46

kΩ with resp. to VQ

0.2 0.4 0.55 V –

Watchdog

Discharge current

ID,d

Charging current

ID,c

Upper timing

VDU

threshold

1.5 3.5 5.2 µA VD = 1.0 V

5

12

18

µA VD = 1.0 V

1.4 1.8 2.2 V –

Lower timing

threshold

VDWL

0.2

0.4

0.55 V

–

Watchdog periode TWP

30

55

75

ms CD = 100 nF

Watchdog trigger time TWT

25

40

60

ms CD = 100 nF

Activating current

IQ

2

8

15

mA Activates watchdog

Slew rate

dVW/dt 5

–

–

V/µs from 20 % up to

80 % VQ

Note: The reset output is low in range from VQ = 1 V to VQ,rt.

Data Sheet Rev. 1.3

8

2001-07-18

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