RT9746AWSC datasheet(3/10 Pages) RICHTEK

3 / 10 page

RT9746

DS9746-00 March 2016

www.richtek.com

is a registered trademark of Richtek Technology Corporation.

Absolute Maximum Ratings (Note 1)



VIN, OVPFB ----------------------------------------------------------------------------------------------------------------

−0.3V to 28V



VOUT -------------------------------------------------------------------------------------------------------------------------

−0.3V to 15V



System Level with Air Discharger, VIN, GND -----------------------------------------------------------------------

±15kV



System Level with Contact Discharger, VIN, GND -----------------------------------------------------------------

±8kV



All Other Inputs ------------------------------------------------------------------------------------------------------------

−0.3V to 6V



Power Dissipation, PD @ TA = 25

°C

WL-CSP-12B 1.92x1.27 (BSC) ---------------------------------------------------------------------------------------- 1.67W



Package Thermal Resistance (Note 2)

WL-CSP-12B 1.92x1.27 (BSC),

θJA ---------------------------------------------------------------------------------- 59.6°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

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

CDM (Charged Device Model) ------------------------------------------------------------------------------------------ 2kV



Surge (VIN) ----------------------------------------------------------------------------------------------------------------- 100V

Recommended Operating Conditions

(Note 4)



USB Supply Input Voltage, VIN ---------------------------------------------------------------------------------------- 3V to 6.7V



I/O Supply Voltage (VDDIO) ---------------------------------------------------------------------------------------------- 1.8V to 3.6V



VOUT Capacitors ---------------------------------------------------------------------------------------------------------- 1

μF to 10μF



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

−40°C to 125°C



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

−40°C to 85°C

Electrical Characteristics

(VIN = 5V, TA = 25

°C, unless otherwise specified)

Parameter

Symbol

Test Conditions

Min

TYP

Max

Unit

DC Characteristics

Input Clamp Voltage

VIN_CLAMP

IIN = 10mA, TA = 25°C

VIN Supply Current

IVBUS_S

VBUS = 5V, IOUT = 0mA

130

180

A

VIN POR Threshold

Only for VOUT

VPOR

Rising

2.5

2.7

2.9

VBUS POR Hysteresis

Only for VOUT

VPOR_Hys

Falling

100

Deglitch Time of POR

Only for VOUT

tPOR

by EFUSE setting

(16/32/64/128ms)

OVP Threshold Voltage

VOVP

Rising

RT9746

6.6

6.8

RT9746A

11.15

11.5

11.85

RT9746B

14.5

RT9746C

6.2

6.4

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