RT4730

8

DS4730-01

March 2017

www.richtek.com

©

Copyright

2017 Richtek Technology Corporation. All rights reserved.

is a registered trademark of Richtek Technology Corporation.

Recommended Operating Conditions

(Note 4)



Supply Input Voltage -------------------------------------------------------------------------------------------------------- 2.9V to 4.8V



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

−40°C to 125°C



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

−40°C to 85°C

Electrical Characteristics

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Input Power Supply

Input Supply Voltage

2.9

3.7

4.8

V

Quiescent Current

AVDDEN = high, SWIRE = high

--

400

--

A

AVDDEN = high, SWIRE = low

--

200

--

Shutdown Current

AVDDEN = low, SWIRE = low

--

0.1

2

A

Under-Voltage Lockout

Threshold

VIN rising

--

2.6

--

V

VIN falling

--

2.4

--

V

Thermal Shutdown

--

140

--

C

Thermal Shutdown

Hysteresis

--

10

--

C

SWIRE

SWIRE Logic High-Level

Voltage

1.2

--

--

V

SWIRE Logic Low-Level

Voltage

GND

--

0.4

V

SWIRE Pulldown Resistor

200

500

900

k



SWIRE Turn-off Detection

Time

300

--

--

s

SWIRE Signal Stop Indicate

Time

300

--

--

s

Absolute Maximum Ratings

(Note 1)



Supply Input Voltage, AVIN, PVIN to AGND ---------------------------------------------------------------------------

−0.3V to 6V



VOUT, AVDD, OVDD, SWIRE, AVDDEN to AGND ------------------------------------------------------------------

−0.3V to 6V



VON, OVSS to AGND ------------------------------------------------------------------------------------------------------

−6.6V to 0.3V



°C

WL-CSP-16B 2.34 x 2.34 (BSC) ---------------------------------------------------------------------------------------- 2.36W



Package Thermal Resistance (Note 2)

WL-CSP-16B 2.34 x 2.34 (BSC),



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