MID400(2003) 查看數據表（PDF） - Fairchild Semiconductor

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MID400
(Rev.:2003)

AC LINE MONITOR LOGIC-OUT DEVICE

Fairchild Semiconductor 

AC LINE MONITOR

LOGIC-OUT DEVICE

OPERATING SCHEMATICS

RIN = 22 KΩ

1

VIN

AC INPUT

2

3

4

VCC

8

7

CAUX

6

5

RL = 300 Ω

VO

INPUT CURRENT VS. CAPACITANCE, CAUX CIRCUIT

TEST CIRCUIT 1

MID400

A-C

INPUT

OV

VOH

VOL

tON

OUTPUT 50%

tOFF

50%

* INPUT TURNS ON AND OFF AT ZERO CROSSING

+4.5 V

VCC

A-C

INPUT

1 1 INPUT

2 N/C

RIN 3

22 KΩ

4

2 INPUT

N/C

VCC

8

AUX. 7

VOUT 6

GND 5

RL 300 Ω

OUTPUT

TEST CIRCUIT

TEST CIRCUIT 2

MID400 Switching Time

© 2003 Fairchild Semiconductor Corporation

Page 6 of 11

7/24/03

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