SC4626 View Datasheet(PDF) - Semtech Corporation

Part Name

Description

MFG CO.

SC4626

2.5MHz, 1A Synchronous Step Down Regulator in SOT23-5

Semtech Corporation 

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SC4626

Typical Waveforms (continued)

Circuit Conditions: VOUT=1.5V (SC4626H); L= 2.2uH (TOKO: 1071AS-2R2M); CIN= COUT= 10uF/6.3V (Murata: GRM21BR60J106K).

Start UpS(tEanrtaUbple()V(VOOUTU=T=11.5.5VV) )

Start UpS(tEanrtaUbple()V(VOOUTU=T=11.5.5VV) )

VIN

2V/div

VEN

2V/div

VOUT

1V/div

VIN=5.0V

ROUT=1k

100µs/div

Start USpta(PrtoUwper(VuOpUTV=I1N).5(VV)O,UET=N1=.V5IVN)

VIN

2V/div

VEN

2V/div

VOUT

1V/div

VIN=5.0V

ROUT=1.5

100µs/div

Start USpta(PrtoUwper(VuOpUTV=I1N).5(VV)O,UET=N1=.V5IVN)

VIN

2V/div

VIN

2V/div

VOUT

500mV/div

VIN=5.0V

ROUT=1k

200µs/div

StaSrttaUrtpUinptoinPtoreP-Breia-BseiadsOOuuttppuutt(V(EOnUTa=b1l.e5)V) Enable

VOUT

500mV/div

VIN=5.0V

ROUT=1.5

200µs/div

ShutdownS(hDuistdaobwlen) -(DViOsUaTb=l1e.5V)

VIN

2V/div

VIN

2V/div

VEN

2V/div

VEN

2V/div

VOUT

500mV/div

VIN=5.0V

ROUT=1k

© 2009 Semtech Corp.

200µs/div

VOUT

500mV/div

VIN=5.0V

ROUT=1.5



50µs/div

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