RT9716B Просмотр технического описания (PDF) - Richtek Technology

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производитель

RT9716B

Express Card Power Interface Switch

Richtek Technology 

RT9716A/B

Absolute Maximum Ratings (Note 1)

z Supply Voltage (AUXIN, 3.3VIN) ----------------------------------------------------------------------------------- −0.3V to 5V

z Supply Voltage 1.5VIN ----------------------------------------------------------------------------------------------- −0.3V to 2.5V

z Logic Input/Output Voltage ------------------------------------------------------------------------------------------ −0.3V to 5V

z Power Dissipation, PD @ TA = 25°C

WQFN-20L 4x4 -------------------------------------------------------------------------------------------------------- 1.389W

z Package Thermal Resistance (Note 2)

WQFN-20L 4x4, θJA --------------------------------------------------------------------------------------------------- 54°C/W

WQFN-20L 4x4, θJC -------------------------------------------------------------------------------------------------- 7°C/W

z Junction Temperature ------------------------------------------------------------------------------------------------- 150°C

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

z Storage Temperature Range ---------------------------------------------------------------------------------------- −65°C to 150°C

z ESD Susceptibility (Note 3)

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

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

Recommended Operating Conditions (Note 4)

z Supply Voltage (AUXIN, 3.3VIN) ----------------------------------------------------------------------------------- 3V to 3.6V

z Supply Voltage (1.5VIN) --------------------------------------------------------------------------------------------- 1.35V to 1.65V

z Junction Temperature Range ---------------------------------------------------------------------------------------- −40°C to 100°C

z Ambient Temperature Range ---------------------------------------------------------------------------------------- −40°C to 85°C

Electrical Characteristics

(V(3.3VIN) = V(AUXIN) = 3.3V, V(1.5VIN) = 1.5V, VSHDN = VSTBY = VSYSRST =3.3V, VCPPE = VCPUSB = 0V, PERST, FLG, RCLKEN are open,

all output voltage are unloaded; TA = 25°C, unless otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Power Switch

Switch On Resistance

Discharge Resistance

(3.3V/1.5V/AUX Output)

R DS(O N)_33

R DS(O N)_15

R DS(O N)_A UX

R Dis c harge

3.3VIN to 3.3VOUT,

IOUT = 1300mA

1.5VIN to 1.5VOUT,

IOUT = 650mA

AUXIN to AUXOUT,

IOUT = 275mA

VSHDN = 0V, IDischarge = 1mA

--

80 105

--

80 105 mΩ

-- 140 160

100 300 500 Ω

IS C_3 3

Output Short-Circuit Current

(steady state value)

IS C_1 5

ISC _AUX

Output power into a short

1350 2000 2500

670 1000 1300 mA

275 450 600

Total Input Quiescent

Current (Normal Operation)

IQ _3 3

IQ _1 5

IQ _AUX

Output are unloaded (Include CPPE --

and CPUSB logic pull-up current)

--

--

25 30

25 30 uA

250 280

Total Input Quiescent

Current (Shutdown Mode)

IS HDN_ 33

IS HDN_ 15

VCPPE = VCPUSB = VSHDN = 0V, --

discharge FETs are on (Include

CPPE, CPUSB and SHDN pull-up

--

ISHDN _AUX current)

--

5

10

5

10 uA

280 310

DS9716A/B-01 April 2011

To be continued

www.richtek.com

5

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