GF4146G-AG6-R datasheet(4/5 Pages) UTC

4 / 5 page

GF4146

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

4 of 5

www.unisonic.com.tw

QW-R121-032.B



TYPICAL APPLICATION CIRCUIT

SCR

Neutral

Line

AmpOut

VFB

VREF

UTC

GF4146

RSET

RIN

Sense Coil 1:1000

Load Hot

Load Neutral

TEST

RTEST

Line Hot

Line Neutral

MOV

120/220VAC ALCI Application (Note 2)

Typical Values

R1: 91KΩ (Wattage Determined by Maximum VAC)

RTEST: 15KΩ

RIN: 470Ω

RSET: 511KΩ (Note 1)

C1: 22nF

1. Value depends on sense-coil characteristics and application (value chosen for 5mA trip threshold).

2. Contract Fairchild for best application practices for nuisance tripping rejection.

UTC

GF4146

RSET

RIN

Sense Coil 1:1300

Load Hot

Load Neutral

TEST

RTEST

Line Hot

Line Neutral

MOV

220VAC RCD Application (Note 4)

Typical Values

R1: 174KΩ (Wattage Determined by Maximum VAC)

RSET: 324KΩ (Note 3)

C1: 22nF

RTEST: 15KΩ

RIN: 470Ω

C2: 10nF

3. Value depends on sense-coil characteristics and application (value chosen for 10mA trip threshold).

4. Contract Fairchild for best application practices for nuisance tripping rejection.

Notes:

SCR

Neutral

Line

AmpOut

VFB

VREF

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