RT9705B datasheet(5/12 Pages) RICHTEK

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RT9705B

DS9705B-03 April 2011

www.richtek.com

Electrical Characteristics

(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 & ILIM -----------------------------------------------------------------------------

−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

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

−65°C to 150°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 to High Threshold Voltage VTH_LH

1.5

2.1

Threshold Hysteresis

VTH_HYS

500

IIL

D0 or D1 = High, Sink Current

Input Current at D0 or D1

IIH

D0 or D1 = Low, Source Current

μA

Recommended Operating Conditions

(Note 4)

Input Voltage

VIN1 ( if VIN2

2.8V) -------------------------------------------------------------------------------------------------- 2.3V to 5.5V

VIN1 ( if VIN2 < 2.8V) -------------------------------------------------------------------------------------------------- 2.8V to 5.5V

VIN2 ( if VIN1

2.8V) -------------------------------------------------------------------------------------------------- 2.3V to 5.5V

VIN2 ( if VIN1 < 2.8V) -------------------------------------------------------------------------------------------------- 2.8V to 5.5V

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

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

−40°C to 125°C

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

−40°C to 85°C

≥

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