RT2702 datasheet(5/20 Pages) RICHTEK

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RT2702

DS2702-00 October 2016

www.richtek.com

is a registered trademark of Richtek Technology Corporation.

Recommended Operating Conditions

(Note 4)



Input Supply Voltage, VHV ----------------------------------------------------------------------------------------------- 4.5V to 19V



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

−40°C to 125°C

Absolute Maximum Ratings

(Note 1)



VIN, TON, EN to GND -----------------------------------------------------------------------------------------------------

−0.3V to 20V



PHASE to GND

DC------------------------------------------------------------------------------------------------------------------------------

−0.3V to 20V

<100ns ------------------------------------------------------------------------------------------------------------------------

−8V to 30V



VDRV, MODE, PWM, THWN , DISB to GND ---------------------------------------------------------------------

−0.3V to 6V



CSP, CSN, FB, SS, ILIM, POK to GND ------------------------------------------------------------------------------

−0.3V to 6V



RGND to GND ---------------------------------------------------------------------------------------------------------------

−0.3V to 0.3V



Power Dissipation, PD @ TA = 25

°C

WQFN-16L 3x3 ------------------------------------------------------------------------------------------------------------- 3.33W



Package Thermal Resistance (Note 2)

WQFN-16L 3x3,

θJA -------------------------------------------------------------------------------------------------------- 30°C/W

WQFN-16L 3x3,

θJC ------------------------------------------------------------------------------------------------------- 7.5°C/W



Junction Temperature ------------------------------------------------------------------------------------------------------ 150

°C



Lead Temperature (Soldering, 10 sec.) -------------------------------------------------------------------------------- 260

°C



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

−65°C to 150°C



ESD Susceptibility (Note 3)

HBM (Human Body Model) ----------------------------------------------------------------------------------------------- 2kV

CDM (Charged-Device Model) ------------------------------------------------------------------------------------------- 1kV

Electrical Characteristics

(VIN = VEN = 6V, RTON = 390k

Ω, TA = −40°C to 105°C , unless otherwise specified)

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Supply Operating Conditions

VIN Voltage Range

VIN

4.5

VIN Supply Current

VIN Operating Current

VIN = 6V, EN = high, VFB = 0.6V

VIN Shutdown Current

ISD

VIN = 6V, EN = low

A

VIN Supply Voltage

VIN UVLO Start Threshold

VIN_UVLO

Rising

4.5

VIN UVLO Hysteresis

VIN,UVLO_HYS

500

VDRV Regulator

VDRV Output Voltage

VDRV

VIN > 5.5V, IVDRV < 35mA

4.8

5.3

VDRV Output Voltage

4.5V < VIN < 5.5V, IVDRV < 25mA

5.3

VDRV Output Current

IDRV

VDRV = 4V

100

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