RT4813AGQUF datasheet(4/15 Pages) RICHTEK

Part #	RT4813AGQUF

Description	High Efficiency Boost Converter

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Manufacturer	RICHTEK [Richtek Technology Corporation]

Direct Link	http://www.richtek.com

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RT4813A

is a registered trademark of Richtek Technology Corporation.

www.richtek.com

DS4813A-00

April

2016

4

Absolute Maximum Ratings

(Note 1)



VIN, VINA to GND-----------------------------------------------------------------------------------------------------

0.2V to 6V



VOUT to GND ----------------------------------------------------------------------------------------------------------

6V



Power Dissipation, PD @ TA = 25C

UQFN-9L 2x2 (FC)----------------------------------------------------------------------------------------------------

0.89W



Package Thermal Resistance

(Note 2)

UQFN-9L 2x2 (FC),

JA----------------------------------------------------------------------------------------------111.5C/W

UQFN-9L 2x2 (FC),

JC----------------------------------------------------------------------------------------------19.6 C/W



Lead Temperature (Soldering, 10 sec.)--------------------------------------------------------------------------

260C



Junction Temperature ------------------------------------------------------------------------------------------------

150C



Storage Temperature Range ---------------------------------------------------------------------------------------

65C to 150C



ESD Susceptibility

(Note 3)

HBM (Human Body Model) -----------------------------------------------------------------------------------------

2kV

MM (Machine Model) -------------------------------------------------------------------------------------------------

200V

Recommended Operating Conditions

(Note 4)



Input Voltage Range--------------------------------------------------------------------------------------------------

1.8V to 5.5V



Output Voltage Range -----------------------------------------------------------------------------------------------

1.8V to 5.5V



Ambient Temperature Range---------------------------------------------------------------------------------------

40C to 85C



Junction Temperature Range --------------------------------------------------------------------------------------

40C to 125C

Electrical Characteristics

(VIN = 3.6V, TA = 25C, unless otherwise specified)

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Under Voltage Lockout

Rising Threshold

VUVLOR

1.6

1.7

1.8

V

Under Voltage Lockout

Falling Threshold

VUVLOF

1.5

1.6

1.7

V

FB Voltage

VFB

CCM

0.495

0.5

0.505

V

VOUT Voltage (I2C)

VOUT

CCM

1

0

1

%

Shutdown Current

ISHDN

EN = 0V,

--

0.1

2

A

Quiescent Current

Close loop, no load

--

120

--

A

Pre-Charge Current

IPre

--

1

--

A

Switching Frequency

fSW

VOUT  VIN > 1V, CCM

--

0.5

--

MHz

Valley Current Limit

IOC

--

6

--

A

High Side Switch RON

VIN = VINA = 5V

--

43

55

m



Low Side Switch RON

VIN = VINA = 5V

--

26

35

m



FB Pin Input Leakage

IFB

1

--

1

A

Leakage of SW

ISW

--

5

A

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