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TLE4473

Dual Low Dropout Voltage Regulator

Infineon Technologies 

TLE 4473 GV55-2

Table 4

Electrical Characteristics

VI1 = 13.5 V; VINH1 = VINH2 = 5 V; -40 °C < Tj < 150 °C; unless otherwise specified

Parameter

Symbol

Limit Values Unit Test Condition

Min. Typ. Max.

Stand-by Regulator

Output Q2

Output voltage

VQ2

4.90 5.0 5.10 V 1 mA < IQ2 < 190 mA;

6 V < VI < 28 V

Output current

IQ2

limitation

200 300 650 mA VQ2 = 4.5 V

Output drop voltage; VDRQ2

–

VDRQ1 = VI1 - VQ1

Load regulation

∆VQ2,Lo –

Line regulation

∆VQ2,Li

–

Power Supply Ripple PSRR –

Rejection

Current Consumption

200 600 mV IQ2 = 100 mA1)

15 50 mV 1 mA < IQ2 < 190 mA

5

20 mV IQ2 = 1 mA;

6 V < VI < 28 V

65 –

dB fr = 100 Hz;

Vr = 1 Vpp

Quiescent current; Iq

stand-by

Iq = II - IQ2

Quiescent current; Iq

inhibited

–

170 220 µA IQ2 = 500 µA; Tj = 25 °C;

VINH1 < VINH1 OFF (Q1 off)

–

–

245 µA IQ2 = 500 µA; Tj = 85 °C;

VINH1 < VINH1 OFF (Q1 off)

–

–

280 µA IQ2 = 500 µA;

VINH1 < VINH1 OFF (Q1 off)

–

4.5 5

mA IQ2 = 100 mA;

VINH1 < VINH1 OFF (Q1 off)

–

0.1 1

µA VINH1 = VINH2 = 0 V;

Tj < 85 °C

–

0.1 20

µA VINH1 = VINH2 = 0 V

Data Sheet

9

Rev. 1.2, 2008-10-28

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