SC635 datasheet(2/12 Pages) SEMTECH

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POWER MANAGEMENT

SC635

AbsoluteMaximumRatings

Exceedingthespecificationsbelowmayresultinpermanentdamagetothedeviceordevicemalfunction.Operationoutsideoftheparametersspecifiedinthe

ElectricalCharacteristicssectionisnotimplied.

Unlessotherwisespecified:TA=25°CforTYP,-40°Cto+60°CforMINandMAX;

BUCKET=COUT=1.0μF(ESR<0.1Ω);CIN=10.0μF;VVIN=3.0Vto5.25V;VVOUT=2.8Vto4.25V;RSET=0.5Ω(0.1%).

(1)Calculatedfrompackageinstillair,mountedto3”x4.5”,4layerFR4PCBwiththermalviasundertheexposedpadasperJESD51standards.

(2)TestedaccordingtoJEDECstandardJESD22-A114-B.

Parameter

Symbol

Maximum

Units

Input Supply Voltage

VIN

-0.3 to +6.5

Output Voltage

VOUT

-0.3 to +6.5

Pin Voltage - FLASH, CTRL, ISET, C1-, C2-

-0.3 to V

VIN + 0.3

Pin Voltage - C1+, C2+

-0.3 to V

VOUT + 0.3

Thermal Resistance, Junction to Ambient

(JESD51 Standard Method)(1)

°C/W

VOUT Short Circuit Duration

Indefinite

Operating Ambient Temperature Range

-40 to +85

°C

Junction Temperature Range

-40 to +150

°C

Storage Temperature Range

STG

-60 to +150

°C

Peak IR Flow Temperature

LEAD

260

°C

ESD Protection Level(2)

ESD

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Output Current

OUT

FLASH high, R

ISET = 1.25W

3.3V < V

VIN < 4.2V

2.8V < V

VOUT = 4.25V

184

200

216

FLASH low, CTRL high, R

ISET = 1.25W

3.0V < V

VIN < 4.5V

2.8V < V

VOUT < 4.5V

ISET Reference Voltage

ISET

FLASH high, R

ISET = 1.25W

3.3V < V

VIN < 4.2V

2.8V < V

VOUT < 4.25V

230

250

270

FLASH low, CTRL high, R

ISET = 1.25W

3.0V < V

VIN < 4.5V

2.8V < V

VOUT < 4.5V

100

115

Quiescent Current

FLASH high

3.4

5.0

FLASH low, CTRL high

2.0

4.5

FLASH low, CTRL low

0.1

2.0

µA

AbsoluteMaximumRatings

ElectricalCharacteristics

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