RT9705 datasheet(5/11 Pages) RICHTEK

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RT9705

DS9705-07 April 2011

www.richtek.com

Electrical Characteristics

Recommended Operating Conditions

(Note 4)

Input Voltage at VIN1

VIN2

2.8V ------------------------------------------------------------------------------------------------------------- 1.5V to 5.5V

VIN2 < 2.8V ------------------------------------------------------------------------------------------------------------- 2.8V to 5.5V

Input Voltage at VIN2

VIN1

2.8V ------------------------------------------------------------------------------------------------------------- 1.5V to 5.5V

VIN1 < 2.8V ------------------------------------------------------------------------------------------------------------- 2.8V to 5.5V

Logic Inputs Voltage (D0 &D1) ------------------------------------------------------------------------------------- 0V to 5.5V

Storage Temperature Range ----------------------------------------------------------------------------------------

−65°C to 150°C

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

−40°C to 125°C

(VIN1 = VIN2 = 3.6V, CIN = COUT = 1

μF, RILIM = 400

Ω, TA = 25°C, unless otherwise specified)

Input Voltage, VIN1 & VIN2 -------------------------------------------------------------------------------------------

−0.3V to 6.0V

Logic Inputs Voltage, D0 &D1 --------------------------------------------------------------------------------------

−0.3V to 6.0V

Output Voltage, VOUT & STAT -------------------------------------------------------------------------------------

−0.3V to 6.0V

Power Dissipation, PD @ TA = 25°C

TSSOP-8 ---------------------------------------------------------------------------------------------------------------- 0.43W

Package Thermal Resistance (Note 2)

TSSOP-8,

θJA ---------------------------------------------------------------------------------------------------------- 230°C/W

Junction Temperature ------------------------------------------------------------------------------------------------- 125°C

Lead Temperature (Soldering, 10 sec.) --------------------------------------------------------------------------- 260°C

ESD Susceptibility (Note 3)

HBM (Human Body Mode) ------------------------------------------------------------------------------------------ 2kV

MM (Machine Mode) -------------------------------------------------------------------------------------------------- 200V

Absolute Maximum Ratings (Note 1)

≥

To be continued

≥

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Power Switch

VIN1 = VIN2 = 3.6V, IOUT = 1A

Switch On Resistance

RDS(ON) VIN1 = VIN2 = 3.6V, IOUT = 1A

−5°C ≤ TA ≤ 85°C

(Note 5)

120

Logic Inputs (D0 and D1)

Logic-Low Voltage VIL

0.7

Threshold

Logic-High Voltage VIH

2.0

IIL

D0 or D1 = High, Sink Current

Input Current at D0 or D1

IIH

D0 or D1 = Low, Source Current

μA

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