RT9750WSC datasheet(5/30 Pages) RICHTEK

5 / 30 page

RT9750

DS9750-01 June 2017

www.richtek.com

is a registered trademark of Richtek Technology Corporation.

Absolute Maximum Ratings (Note 1)



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

−0.3V to 22V



Supply Pin Voltage, VOUT --------------------------------------------------------------------------------------------

−0.3V to 22V



Other Pin Voltage -------------------------------------------------------------------------------------------------------- 0.3V to 6V



Power Dissipation, PD @ TA = 25

°C

WL-CSP-42B 2.75x3.05 (BSC) --------------------------------------------------------------------------------------- 3.54W



Package Thermal Resistance (Note 2)

WL-CSP-42B 2.75x3.05 (BSC),

θJA --------------------------------------------------------------------------------- 28.2°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

Recommended Operating Conditions

(Note 4)



Supply Input Voltage Range, VBUS --------------------------------------------------------------------------------- 3.0V to 6V



Supply Input Voltage Range, VOUT --------------------------------------------------------------------------------- 3.0V to 6V



Analog Sense Voltage Range, BATP, BATN ----------------------------------------------------------------------- 0V to 5V



Temperature Sense Voltage Range, TSVBUS, TSBAT ---------------------------------------------------------- 0V to 3V



Output Sink Current, INT ----------------------------------------------------------------------------------------------- 1mA



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

−40°C to 125°C



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

−40°C to 85°C

Electrical Characteristics

(TA = 25

°C, unless otherwise specified)

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Input Power Source

VDDA UVLO Threshold

VDDA_VBUS_UVLO

VDDA rising, VBUS > VOUT,

VDDA = VBUS

2.7

2.8

2.9

VDDA_VOUT_UVLO

VDDA rising, VBUS < VOUT,

VDDA = VOUT

VDDA UVLO Hysteresis

VDDA_VBUS_HYS

VDDA falling, VBUS > VOUT,

VDDA = VBUS

150

250

VDDA_VOUT_HYS

VDDA falling, VBUS < VOUT,

VDDA = VOUT

VBUS Quiescent

Current

IQ_VBUS

VBUS = 4.2V > VOUT, charge mode,

LDSW enable

VOUT Quiescent

Current

IQ_VOUT

VOUT = 4.2V > VBUS, battery mode,

ADC enable

VOUT Leakage Current ILEAK_VOUT

VOUT = 4.2V > VBUS, EN disable

0.5

1.5

A

VBAT Insert

VBAT_INSERT

VBAT = BATP-BATN

1.9

2.1

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