TLE4471 查看數據表（PDF） - Infineon Technologies

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TLE4471

Triple Voltage Regulator

Infineon Technologies 

TLE 4471

Table 4

Characteristics (cont’d)

VI = 13.5 V; Tj = -40 °C < Tj < 125 °C

Parameter

Symbol

Limit Values

Unit Measuring Condition

Min. Typ. Max.

Enable Function E1, E2, E3, EN

E1 On threshold

VE1, on

E1 Off threshold

VE1, off

E1 High input current IE1, on

E1 Low input current IE1, off

E2 On threshold

VE2, on

E2 Off threshold

VE2, off

E2 resistance to GND RE2

E3 On threshold

VE3, on

E3 Off threshold

VE3, off

E3 High input current IE3, on

E3 Low input current IE3, off

EN On threshold

VEN, on

EN Off threshold

VEN, off

Enable resistance to REN

GND

3.5 4.1 4.5 V

1.5 – 2.5 V

VQ1 > 4.8 V; VQ2 > 4.8 V

–

–

50 –

µA VE1 = 16 V

-1 – 5

µA VE1 = 0 V

1.3 1.7 2.0 V VQ1 > 4.8 V; VQ2 > 4.8 V

0.8 1.2 1.7 V –

5

15 40 kΩ –

3.5 –

1.5 –

4.5 V

2.5 V

VQ1 > 4.8 V; VQ2 > 4.8 V

–

–

50 –

µA VE3 = 16 V

-1 – 5

µA VE3 = 0 V

1.0 1.7 2.3 V VQ3 > 4.8 V; Q1 ON

0.8 1.2 1.7 V VQ3 < 0.1 V

5

15 40 kΩ –

Reset Generator

Switching threshold VQ, rth

4.5 4.65 4.8 V

RADJ connected to

GND

Reset headroom

Reset pull-up

Reset output low

voltage

Vhead

RR

VR, low

250 350 500 mV 10 mA < IQ1 < 450 mA

2.4 –

6

kΩ –

–

–

0.4 V 1 V < VQ1 < VQ, rth

Reset output Low

VR, low

–

–

0.4 V VQ1 = 1 V, IR = 50 µA

voltage

Reset output High

VR, high

4.5 –

–

voltage

V–

Reset adjust

threshold

VRADJ

1.25 1.35 1.45 V VQ1 > 3.5 V

Data Sheet

10

Rev. 1.6, 2009-02-03

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