TLE4279A datasheet(9/19 Pages) SIEMENS

Part #	TLE4279A

Description	5-V Low-Drop Fixed Voltage Regulator

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Manufacturer	SIEMENS [Siemens Semiconductor Group]

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9 / 19 page

TLE 4279

Semiconductor Group

9

1998-11-01

Characteristics

V

I =13.5 V; Tj = – 40 °C< Tj < 125 °C

Parameter

Symbol

Limit Values

Unit

Measuring

Condition

min.

typ.

max.

Output voltage

V

Q

4.90

5.00

5.10

V

1 mA

≤ I

Q ≤ 100 mA

6V

≤ V

I ≤ 16 V

Current limit

I

Q

150

200

500

mA

–

Current consumption;

I

q = II – IQ

I

q

–

150

300

µA

I

Q ≤ 1mA, Tj <85 °C

Current consumption;

I

q = II – IQ

I

q

–

250

700

µA

I

Q =10 mA

Current consumption;

I

q = II – IQ

I

q

–2

8

mA

I

Q =50 mA

Drop voltage

V

dr

–

0.25

0.5

V

I

Q =100 mA

1)

Load regulation

∆V

Q

–10

30

mV

I

Q = 5 mA to 100 mA

Line regulation

∆V

Q

–10

40

mV

V

I = 6 V to 26 V

I

Q =1 mA

Reset Generator

Switching threshold

V

rt

4.50

4.60

4.80

V

–

Reset low voltage

V

R

–0.1

0.4

V

R

extern = 20 kΩ

Delay switching

threshold

V

dt

1.4

1.8

2.2

V

–

Switching threshold

V

st

0.3

0.45

0.60

V

–

Reset delay low voltage

V

D

––

0.1

V

Q < VRT

Charge current

I

d

3.0

6.5

9.5

µA

V

D =1 V

1) Drop voltage = V

I – VQ (measured when the output voltage has dropped 100 mV from the

nominal value obtained at 13.5 V input.)

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TLE4279A Datasheet(PDF) 9 Page - Siemens Semiconductor Group

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