TC43CPR datasheet(5/6 Pages) TELCOM

Part #	TC43CPR

Description	LINEAR BUILDING BLOCK - VOLTAGE REFERENCE, DUAL OP AMP, DUAL COMPARATOR WITH SHUTDOWN MODE

Download	6 Pages

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Manufacturer	TELCOM [TelCom Semiconductor, Inc]

Direct Link	http://www.telcom-semi.com

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5 / 6 page

5

TC43

LINEAR BUILDING BLOCK –

VOLTAGE REFERENCE, DUAL OP AMP,

DUAL COMPARATOR WITH SHUTDOWN MODE

PRELIMINARY INFORMATION

Figure 3. Dual Low Dropout Regulator

Figure 2. Precision Battery Monitor

R2, 330k, 1%

R4, 470k, 1%

R5, 7.5M

+5V

R6, 7.5M

R3, 470k, 1%

R1, 270k, 1%

Vr

TO SYSTEM DC/DC

CONVERTER

3V

ALKALINE

TC43

BATTFAIL

BATTLOW

CMPTR1

+

–

CMPTR2

+

–

AMP1

+

–

Vr

V

IN

V

OUT1

C1, 1

µF

C2, 1

µF

2N2222

V

OUT = Vr x (RA + RB)/RB

RA

RB

RA

RB

2N2222

TC43

SHDN

V

OUT2

AMP2

+

–

AMP1

+

–

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TC43CPR Datasheet(PDF) 5 Page - TelCom Semiconductor, Inc

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