TLE4271G datasheet(8/20 Pages) SIEMENS

tên linh kiện	TLE4271G

Giải thích chi tiết về linh kiện	5-V Low-Drop Fixed Voltage Regulator

PDF	20 Pages

Scroll/Zoom	100%

nhà sản xuất	SIEMENS [Siemens Semiconductor Group]

Trang chủ	http://www.siemens.com/

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TLE 4271

Semiconductor Group

1998-11-01

Reset Generator

Switching threshold

4.5

4.65

4.8

–

Reset high voltage

ROH

4.5

–

Reset low voltage

ROL

–60

–

intern =30 kΩ

2);

1.0 V

≤ V

Q ≤ 4.5 V

Reset low voltage

ROL

–

200

400

R = 3 mA, VQ = 4.4 V

Reset pull-up

Ω

internally connection

to Q3

Lower reset timing

threshold

DRL

0.2

0.45

0.8

Q < VRT

Charge current

814

µA

D = 1.0 V

Upper timing

threshold

1.4

1.8

2.3

–

Delay time

813

D = 100 nF

Reset reaction time

––

µs

D = 100 nF

Overvoltage Protection

Turn-Off voltage

I, ov

–

Inhibit

Inhibit ON voltage

INH

1.0

2.0

3.5

Q = high (> 4.5 V)

Inhibit OFF voltage

INH

0.8

1.3

3.3

Q = low (< 0.8 V)

Inhibit current

INH

812

µA

INH = 5 V

Watchdog

Upper timing

threshold

1.4

1.8

2.3

–

Lower watchdog

timing threshold

DWL

0.2

0.45

0.8

–

Discharge current

dis

1.5

2.7

3.5

µA

D = 1 V

Characteristics (cont’d)

I = 13.5 V; – 40 °C ≤ Tj = ≤ 125 °C (unless otherwise specified)

Parameter

Symbol

Limit Values

Unit

Test Condition

min.

typ.

max.

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