RT9480 datasheet(6/16 Pages) RICHTEK

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RT9480

DS9480-04

December 2014

www.richtek.com

is a registered trademark of Richtek Technology Corporation.

Electrical Characteristics

Recommended Operating Conditions

(Note 4)



Supply Input Voltage, VBAT, VBUS --------------------------------------------------------------------- 2.8V to 5.5V



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

−40°C to 125°C



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

−40°C to 85°C

Absolute Maximum Ratings

(Note 1)



Supply Voltage, VBAT --------------------------------------------------------------------------------------

−0.3V to 6V



Supply Voltage, VBUS -------------------------------------------------------------------------------------

−0.3V to 10V



Supply Voltage USBOUT1, USBOUT2 Pulse (100

μs) ---------------------------------------------- −0.3V to 10V



LED Output Voltage, LED1, LED2, LED3, LED4 ----------------------------------------------------

−0.3V to 10V



TORCH ---------------------------------------------------------------------------------------------------------

−0.3V to 10V



Other Pins -----------------------------------------------------------------------------------------------------

−0.3V to 6V



Power Dissipation, PD @ TA = 25

°C

WQFN-24L 4x4 ---------------------------------------------------------------------------------------------- 3.57W



Package Thermal Resistance (Note 2)

WQFN-24L 4x4,

θJA ----------------------------------------------------------------------------------------- 28°C/W

WQFN-24L 4x4,

θJC ---------------------------------------------------------------------------------------- 7.1°C/W



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

MM (Machine Model) --------------------------------------------------------------------------------------- 200V

TOP Unit Electrical Characteristics

(VBUS = 5V, VBAT = 3.7V, TA = 25

°C, unless otherwise specified)

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Supply Input

Battery Quiescent Current

for Standby

IBAT_sdy

No VBUS, Boost

on, Indicator Off.

Button Mode

A

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