S8353 datasheet(23/49 Pages) SII

Part #	S8353

Description	STEP-UP, PWM CONTROL or PWM / PFM SWITCHABLE BUILT-IN TRANSISTOR SWITCHING REGULATOR

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Manufacturer	SII [Seiko Instruments Inc]

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STEP-UP, PWM CONTROL or PWM / PFM SWITCHABLE BUILT-IN TRANSISTOR SWITCHING REGULATOR

Rev.3.0_01

S-8353/8354 Series

23

(3) S-8353DxxMC, S-8353JxxMC, S-8354DxxMC, S-8354JxxMC

L

SD

VIN

CIN

VDD

Soft start built-in

reference power

supply

Phase

compensating

circuit

Oscillation circuit

PWM control circuit

or PWM / PFM

switching control

circuit

CONT

VSS

RB

RA

CC

VOUT

CL

+

−

IC internal

power

supply

+

−

+

−

Remark

The power supply for the IC chip is from the VOUT pin.

Figure 15

Caution

The Above connection diagram will not guarantee successful operation.

Perform through

evaluation using the actual application to set the constant.

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Manufacturer	Part #	Datasheet	Description
ABLIC Inc.	S-8353	567Kb / 49P	STEP-UP, PWM CONTROL or PWM / PFM SWITCHABLE BUILT-IN TRANSISTOR SWITCHING REGULATOR Rev.3.0_02
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ABLIC Inc.	S-8520	612Kb / 44P	STEP-DOWN, PWM CONTROL or PWM / PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.9.0_02
Seiko Instruments Inc	S8540	2Mb / 36P	STEP-DOWN, 600 kHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
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ABLIC Inc.	S-8365	1Mb / 63P	STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.2.1_02
Seiko Instruments Inc	S8365	3Mb / 63P	STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
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S8353 Datasheet(PDF) 23 Page - Seiko Instruments Inc

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