S-85S1PD36-I8T1U datasheet(2/38 Pages) SII

Part #	S-85S1PD36-I8T1U

Description	POWER MONITORING OUTPUT, 5.5 V INPUT, 200 mA SYNCHRONOUS STEP-DOWN SWITCHING REGULATOR WITH 260 nA QUIESCENT CURRENT

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Manufacturer	SII [Seiko Instruments Inc]

Direct Link	http://www.sii.co.jp

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POWER MONITORING OUTPUT, 5.5 V INPUT, 200 mA SYNCHRONOUS STEP-DOWN SWITCHING REGULATOR WITH 260 nA QUIESCENT CURRENT

S-85S1P Series

Rev.1.3_00

2



Block Diagram

VSS

VIN

PVSS

SW

L

CIN

COUT

CPM

VIN





VOUT

EN

PMEN

SW

PMOUT

Ripple generation circuit

ON time generation

circuit

Error amplifier

Enable

circuit

UVP circuit

Reverse current

detection circuit

Overcurrent

protection circuit

Power monitor

enable circuit

Output control circuit

Reference voltage circuit

Soft-start cicuit

Thermal shutdown circuit

UVLO circuit

















VIN

Figure 1

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S-85S1PD36-I8T1U Datasheet(PDF) 2 Page - Seiko Instruments Inc

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