S-8337ACDB-P8T1G datasheet(16/51 Pages) SII

Part #	S-8337ACDB-P8T1G

Description	SWITCHING REGULATOR CONTROLLER

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Manufacturer	SII [Seiko Instruments Inc]

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STEP-UP, 1.2 MHz HIGH-FREQUENCY, PWM CONTROL SWITCHING REGULATOR CONTROLLER

S-8337/8338 Series

Rev.4.0_01

16

When substituting equation (11) for equation (15):

()

ESR

OUT

PK

L

OFF

PK

2

OUT

PK

p

R

2

I

C

t

I

2

I

V

•













+

•

−

=

−

…………………………………………………..…(16)

Therefore to reduce the ripple voltage, it is important that the capacitor connected to the output pin

has a large capacity and a small ESR.

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S-8337ACDB-P8T1G Datasheet(PDF) 16 Page - Seiko Instruments Inc

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