RT9554A datasheet(3/10 Pages) RICHTEK

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RT9554A

DS9554A-00

June 2014

www.richtek.com

is a registered trademark of Richtek Technology Corporation.

Electrical Characteristics

(VCC = 5V, TA = 25

°C, unless otherwise specified)

Absolute Maximum Ratings

(Note 1)



CSP/CSN to GND ---------------------------------------------------------------------------------------------------------

−0.3V to 26V



VCC, BAT_REF, EN, AC_REAL, AC_REF, FLAG to GND -------------------------------------------------------

−0.3V to 6V



Power Dissipation, PD @ TA = 25

°C

WDFN-8L 2x2 -------------------------------------------------------------------------------------------------------------- 2.19W



Package Thermal Resistance (Note 2)

WDFN-8L 2x2,

θJA --------------------------------------------------------------------------------------------------------- 45.5°C/W

WDFN-8L 2x2,

θJC -------------------------------------------------------------------------------------------------------- 11.5°C/W



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

Recommended Operating Conditions

(Note 4)



High-Side Voltage, VCSP/VCSN -------------------------------------------------------------------------------------- 4.5V to 24V



Supply Voltage, VCC ----------------------------------------------------------------------------------------------------- 4.5V to 5.5V



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

−40°C to 125°C



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

−40°C to 85°C

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

CSN CSP Input

Input Voltage Range

VCSP, VCSN

ICSN + ICSP

EN = High

A

EN = Low

A

VCC Input

VCC Operating Current

IVCC

VCC > POR, EN = High

200

A

VCC Shutdown Current

IVCC_shd

VCC > POR, EN = Low

A

VCC POR Rising Voltage

VIN_POR

Rising

2.8

3.7

Hysteresis

400

Enable

Enable Input

Voltage

Logic-High

VIH

0.7

Logic-Low

VIL

0.3

Current Sense Circuit

System Response Time

OCdelay

OCP triggered

s

OP Gain

VCSP = VCSN = 12V

200

V/V

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