TLE7278-2EV50 datasheet(11/25 Pages) INFINEON

부품명	TLE7278-2EV50

상세설명	Low Dropout Voltage Regulator

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제조업체	INFINEON [Infineon Technologies AG]

홈페이지	http://www.infineon.com

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Data Sheet

11

Rev. 1.2, 2009-04-28

TLE7278-2

Block Description and Electrical Characteristics

5.2.16

Low Level Input Voltage

V

EN,L

––

0.5

V

Q =0.02V;

I

Q =5mA; Tj < 125 °C

5.2.17

–

0.3

V

Q =0.02V

I

Q =5mA

5.2.18

High Level Input Current

I

EN,H

–3

4

µA

V

EN = 5 V

Watchdog Mode Bit 1

5.2.19

High Level Input Voltage

V

WM1,H

4.00

–

V

TLE7278-2GV50,

TLE7278-2EV50

5.2.20

2.65

–

V

TLE7278-2GV33

5.2.21

2.30

–

V

TLE7278-2GV26

5.2.22

Low Level Input Voltage

V

WM1,L

–

0.80

V

–

Watchdog Mode Bit 2

5.2.23

High Level Input Voltage

V

WM2,H

4.00

–

V

TLE7278-2GV50,

TLE7278-2EV50

5.2.24

2.65

–

V

TLE7278-2GV33

5.2.25

2.30

–

V

TLE7278-2GV26

5.2.26

Low Level Input Voltage

V

WM2,L

–

0.80

V

–

Watchdog Input WDI

5.2.27

High Level Input Voltage

V

WDI,H

4.0

–

V

TLE7278-2GV50,

TLE7278-2EV50

5.2.28

2.65

–

V

TLE7278-2GV33

5.2.29

2.30

–

V

TLE7278-2GV26

5.2.30

Low Level Input Voltage

V

WDI,L

–

0.80

V

–

5.2.31

High Level Input Current

I

WDI,H

–3

4

µA

V

WDI = 5 V

5.2.32

Low Level Input Current

I

WDI,L

–0.5

1

µA

V

WDI = 0 V; Tj < 80 °C

5.2.33

Watchdog sampling time

t

sam

0.40

0.50

0.60

ms

fast watchdog timing

0.80

1.00

1.20

ms

slow watchdog timing

5.2.34

Ignore window time

t

OW

25.6

32.0

38.4

ms

fast watchdog timing

51.2

64.0

76.8

ms

slow watchdog timing

5.2.35

Watchdog Period

t

WD,p

25.6

32

38.4

ms

fast watchdog timing

51.2

64

76.8

ms

slow watchdog timing

5.2.36

Watchdog deactivation current

threshold

I

Q,WD_off

0.5

––mA

I

Q decreasing

V

I > VI, WD_on > 6.0 V

for TLE7278-2GV50,

TLE7278-2EV50

V

I > VI,WD_on > 4.5 V

for TLE7278-2GV33,

TLE7278-2GV26

Electrical Characteristics (cont’d)

V

I = 13.5 V, Tj = -40 °C to +150 °C, all voltages with respect to ground, positive current flowing into pin

(unless otherwise specified)

Pos.

Parameter

Symbol

Limit Values

Unit

Conditions

Min.

Typ.

Max.

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