TC1043CEQR View Datasheet(PDF) - Microchip Technology

Part Name

Description

MFG CO.

TC1043CEQR

Linear Building Block – Low Power Voltage Reference with Dual Op Amp, Dual Comparator, and Shutdown Mode

Microchip Technology 

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TC1043

FIGURE 4-2:

PRECISION BATTERY MONITOR

To System DC/DC

Converter

R4, 470k, 1%

VDD

+

AMP1

–

R2, 330k, 1%

R5, 7.5M

VDD

+

CMPTR1

–

BATTLOW

3V

ALKALINE

TC1043

R1, 270k, 1%

VR

VDD

–

CMPTR2

+

R6, 7.5M

BATTFAIL

R3, 470k, 1%

FIGURE 4-3:

DUAL LOW DROPOUT REGULATOR

VIN

TC1043

VDD

+

AMP1

–

2N2222

VOUT1

C1, 1µF

VR

RA1

VDD

+

AMP2

–

SHDN

2N2222

VOUT2

RA2

C2, 1µF

RB1

RB2

VOUT = VR x (RA + RB)/RB

© 2002 Microchip Technology Inc.

DS21347B-page 9

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