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.

Output capacitor

CQ2

10 – –

µF 2)

ESR of output

ESR

–

–3

Ω at 10 kHz2)

capacitor

Tracked Output Q3

Output voltage

tracking accuracy

∆VQ3 = -25 –

VQ3 - VQ1

25 mV 5.7 V < VI < 19 V;

1 mA < IQ3 < 50 mA

Output voltage

tracking accuracy

∆VQ3 = -25 –

VQ3 - VQ1

25 mV 5.7 V < VI < 28 V;

1 mA < IQ3 < 40 mA

Output voltage

tracking accuracy

∆VQ3 = -25 –

VQ3 - VQ1

25 mV 5.7 V < VI < 40 V;

1 mA < IQ3 < 25 mA

Output current limit IQ3

55 –

150 mA VQ3 = 0.1 V

Output voltage drop VDR3

–

–

0.6 V 1 mA ≤ IQ3 ≤ 50 mA

Power Supply Ripple PSRR

–

30 –

dB 20 Hz < fr < 20 kHz;

Rejection

VPP = 0.5 V;

CQ3 = 10 µF2)

Output capacitor

CQ3

10 – –

µF 2)

ESR of output

ESR

–

–3

Ω at 10 kHz2)

capacitor

Matching error

∆VQ2,3 = -25 –

between VQ2 and VQ3 VQ3 - VQ2

Current Consumption

25 mV –

Quiescent current

Iq

(standby)

–

–

20 µA Q1 OFF, Q2 OFF; Q3

OFF

Current consumption; Iq

Iq = II - IQ

Current consumption; Iq

Iq = II - IQ

–

1100 –

µA Q3 OFF, IQ1 < 1 mA;

IQ2 < 1 mA

–

1800 –

µA IQ1 < 10 mA;

IQ2 < 1 mA;

IQ3 < 1 mA

Data Sheet

9

Rev. 1.6, 2009-02-03

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