TLE4251 데이터 시트보기 (PDF) - Infineon Technologies

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TLE4251

Low Drop Voltage Tracker

Infineon Technologies 

TLE 4251

Electrical Characteristics (cont’d)

VI = 13.5 V; 2.5 V ≤ VADJ ≤ VI – 0.5 V; – 40 °C < Tj < 150 °C; unless otherwise specified

Parameter

Symbol Limit Values Unit Test Condition

min. typ. max.

Quiescent current

(stand-by)

Iq = II – IQ

Iq

–

0

10 µA VEN = 0 V

Tj < 85 °C

Regulator Performance

Load regulation

∆VQ

Line regulation

∆VQ

Power-Supply-Ripple-

Rejection

PSRR

– 35 ± 5 35

– 25 ± 10 25

60 –

–

mV 5 mA < IQ < 300 mA;

VI = 6 V, VADJ = 5 V

mV 12 V < VI < 32 V

IQ = 5 mA

dB fr = 100 Hz;

Vr = 5 VPP

Adjust Input

Input biasing current

IADJ

–

0.1 0.5 µA VADJ = 5 V

Enable

Enable on voltage range VEN ON 2

Enable off voltage range VEN OFF –

Input current

IEN

5

–

–

V VQ ON

–

0.5 V VQ ≤ 0.1 V

40 70 µA VEN = 5 V

1) Measured when the output voltage VQ has dropped 100 mV from the nominal value.

Data Sheet Rev. 2.4

6

2001-05-07

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