TC1037 Datasheet, PDF(9/18 Page) Microchip Technology – Linear Building Block . Single Comparator in SOT Packages

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TC1037 Datasheet, PDF (9/18 Pages) Microchip Technology – Linear Building Block . Single Comparator in SOT Packages

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TC1037/TC1038/TC1039

FIGURE 4-6:

PULSE WIDTH MODULATOR

VDD

TC1037

100k

10k

1/4

VDD

100k

VH =

VDD (R1R2R6 + R2R3R6) + VC (R1R2R3)

R1R2R6 + R1R3R6 + R2R3R6 + R1R2R3

VL =

VDD (R2R3R6) + VC (R1R2R3)

R1R2R6 + R1R3R6 + R2R3R6 + R1R2R3

FREQ =

2 (0.694) (R4) (C1)

For Square Wave Generation

Select R1 = R2 = R3

VC =

VDD

DS21344B-page 9

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