TLE4254 데이터 시트보기 (PDF) - Infineon Technologies

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TLE4254

High Accuracy Low Dropout Voltage Tracking Regulator

Infineon Technologies 

TLE4254

Electrical Characteristics

Typical Performance Characteristics Tracking Regulator

Output Current Limitation IQ,max Output Current Limitation IQ,max Reverse Output Current IQ vs.

vs. Input Voltage VI, VADJ,EN = 5V vs. Input Voltage VI, VADJ,EN = 2V Output Voltage VQ

120

S OA _5V .V S D

120

S OA _2V .V S D

+1

IQ-V Q.vsd

IQ [mA]

VADJ = 5 V

IQ [mA]

VADJ = 2 V

IQ [mA]

0

80

60

40

Tj = 150 °C

Tj = 25 °C

20

Tj = -40 °C

80

T = 150 °C

j

60

Tj = 25 °C

40

T = -40 °C

j

20

-1

Tj = -40 °C

-2

Tj = 150 °C

-3

VI = 0 V

-4

VADJ = 5 V

0

10

20

30

40

VI [V]

0

10

20

30

40

VI [V]

0

8

16

24

32

VQ [V]

Dropout Voltage Vdr vs.

Output Current IQ

Dropout Voltage Vdr vs.

Junction Temperature Tj

Reverse Current II vs.

Input Voltage VI

1000

V dr [mV]

V dr-IQ_log.vsd

V dr [mV]

350

IQ = 70 mA

V dr-Tj.vsd

+1

II [mA]

VQ = 0 V

VADJ = 5 V

100

300

-1

-2

Tj = -40 °C

250

10

150

-3

Tj = 150 °C

-4

Tj = 25 °C

100

0.1

1

10

70

IQ [mA]

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

Tj [°C]

-20

-15

-10

II-V I.vsd

-5

0

VI [V]

Data Sheet

11

Rev. 1.2, 2009-11-18

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