TDA8137 데이터 시트보기 (PDF) - STMicroelectronics

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TDA8137

DUAL 5.1V REGULATOR WITH DISABLE AND RESET

STMicroelectronics 

TDA8137

ELECTRICAL CHARACTERISTICS (VIN = 7V ; Tj = 25oC unless otherwise specified) (continued)

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

IRH

K01,2

I01,2SC

Leakage Current at Pin 5 in Normal Condition

Output Volt. Thermal Drift

Short Circ. Output Current

V5 = 10V

K0

=

∆Vo

∆T

⋅

⋅

106

VO

Tj = 0 to + 125°C

VIN = 7V

VIN = 16V, (see note 1)

10 µA

100

ppm/°C

1.6

A

1

A

VDISH Disable Volt. at Pin 3 High (out 2 active)

2

V

VDISL

IDIS

Tjsd

Disable Volt. at Pin 3 Low (out 2 disabled)

Disable Bias Current at Pin 3

Junction Temp. for Thermal Shut Down

0V < VDIS < 7V

0.8

V

-100

2

µA

145

°C

Note 1 : The output short circuit currents are tested one channel at time.

During a short circuit a large consumption of power occurs, anyway the thermal protection circuit guarantees the temperature not over-

comes high value.

Safe permanent short-circuit is only guaranteed for input voltages up to 16V.

Figure 1

OUT 1 7

REF

2.5V

+a

50

-

REG

Figure 2

10µA

2

Ce

-b

+

2.5V 0.6V

RESET

5

5.1V

4.9V

4.85V

∆VOUT LOW

RESET

TD

TD

3/5

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