TLE4254 데이터 시트보기 (PDF) - Infineon Technologies

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TLE4254

High Accuracy Low Dropout Voltage Tracking Regulator

Infineon Technologies 

TLE4254

5.2

Current Consumption

Electrical Characteristics

Table 2 Electrical Characteristics Current Consumption

VI = 13.5 V; VADJ/EN ≥ 2.0 V; VFB = VQ (version GA / EJ A); -40 °C ≤ Tj ≤ 150 °C; CQ = 1 µF

all voltages with respect to ground (unless otherwise specified).

Pos. Parameter

Symbol

Limit Values

Unit Conditions

Min. Typ. Max.

5.2.13 Quiescent Current

Iq1

Stand-by Mode

5.2.14 Current Consumption

Iq2

Iq = II - IQ

5.2.15

–

1

5

µA VADJ/EN ≤ 0.4 V;

Tj ≤ 125 °C

–

50

80

µA IQ ≤ 100 µA;

VADJ/EN = 5 V

–

9

15

mA IQ ≤ 70 mA;

VADJ/EN = 5 V

Typical Performance Characteristics Current Consumption

Quiescent Current Iq1 vs.

Junction Temperature Tj

Iq1 [µA]

VI = 13.5V

V

= 0.2 V

EN/ADJ

Current Consumption Iq2 vs.

Output Current IQ

Current Consumption Iq vs.

Input Voltage VI

Iq1-Tj.vsd

Iq-IQ_log.vsd

Iq _VI.v s d

10

Iq [mA]

1.8

Iq [mA]

VADJ = 5 V

IQ = 1 mA

Tj = 25 °C

1

1

0,1

0,04

0.1

-40 -20 0 20 40 60 80 100 120 140

0.1

Tj [°C]

Tj = 150 °C

Tj = -40 °C

1

10

70

IQ [mA]

1.2

0.8

0.4

0

0

10

20

30

40

VI [V]

Data Sheet

12

Rev. 1.2, 2009-11-18

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