RT9711GS datasheet(3/15 Pages) RICHTEK

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RT9711

Preliminary

DS9711-04 March 2007

www.richtek.com

Absolute Maximum Ratings

(Note 1)

Supply Voltage --------------------------------------------------------------------------------------------------------- 6.5V

Chip Enable Input Voltage -------------------------------------------------------------------------------------------

−0.3V to 6.5V

Flag Voltage ------------------------------------------------------------------------------------------------------------ 6.5V

Power Dissipation, PD @ TA = 25

°C

SOT-23-5 ---------------------------------------------------------------------------------------------------------------- 0.4W

SOP-8 -------------------------------------------------------------------------------------------------------------------- 0.625W

Package Thermal Resistance (Note 5)

SOT-23-5,

θJA ---------------------------------------------------------------------------------------------------------- 250°C/W

SOP-8,

θJA -------------------------------------------------------------------------------------------------------------- 160°C/W

Junction Temperature ------------------------------------------------------------------------------------------------- 125

°C

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

°C

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

−65°C to 150°C

ESD Susceptibility (Note 2)

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

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

Electrical Characteristics

Recommended Operating Conditions

(Note 3)

Supply Input Voltage -------------------------------------------------------------------------------------------------- 2.5V to 5.5V

Chip Enable Input Voltage ------------------------------------------------------------------------------------------- 0V 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

Units

SOT23-5

100

Switch On Resistance

SOP-8

RDS(ON)

VIN = 5V, IOUT = 1A

110

ISW_ON

switch on, VOUT = Open

Supply Current

ISW_OFF

switch off, VOUT = Open

0.1

μA

Logic-Low Voltage VIL

VIN = 2V to 5.5V, switch on

0.8

EN Threshold

Logic-High Voltage VIH

VIN = 2V to 5.5V, switch off

2.0

EN Input Current

IEN

VEN = 0V to 5.5V

0.01

μA

Output Leakage Current

ILEAKAGE VEN = 5V, RLOAD = 0Ω

0.5

μA

Output Turn-On Rise Time

TON_RISE 10% to 90% of VOUT rising

400

μs

Current Limit

ILIM

Current Ramp (< 0.1A/ms) on VOUT

1.6

2.5

3.2

Short Circuit Fold-Back Current

(Hysteresis)

ISC_FB

VOUT = 0V, measured prior to

thermal shutdown

1.0

FLAG Output Resistance

RFLG

ISINK = 1mA

400

FLAG Off Current

IFLG_OFF VFLG = 5V

0.01

μA

(VIN = 5V, CIN = COUT = 1

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

To be continued

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