RT9718 datasheet(3/10 Pages) RICHTEK

3 / 10 page

RT9718

DS9718-02 May 2011

www.richtek.com

Electrical Characteristics

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Power On Reset

RT9718A

6.5

RT9718B

5.5

RT9718C

5.9

Operation Voltage

RT9718D

VIN

6.9

Supply Voltage POR

Threshold

POR

VPOR Rising

2.5

2.7

2.9

Deglitch Time of POR

Under Voltage Lockout Threshold VUVLO

VUVLO Falling

2.45

2.75

Input Quiescent Current

EN = 0V

500

600

Input Shutdown Current

ISHDN

EN = 5V

μA

Protections

RT9718A

6.6

6.8

RT9718B

5.6

5.85

RT9718C

6.05

6.25

6.45

Input OVP

Threshold Voltage

RT9718D

VIN_OVP

7.2

7.4

Input OVP Hysteresis

100

Input OVP Propagation Delay

OUT = VIN x 80%

μs

Input OVP Recovery Delay

To be continued

Recommended Operating Conditions

(Note 4)

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

−40°C to 125°C

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

−40°C to 85°C

Absolute Maximum Ratings

(Note 1)

Supply Input Voltage, VIN --------------------------------------------------------------------------------------------

−0.3V to 28V

VOUT, VB ---------------------------------------------------------------------------------------------------------------

−0.3V to 7V

Other Pins ---------------------------------------------------------------------------------------------------------------

−0.3V to 6V

Power Dissipation, PD @ TA = 25

°C

WDFN-8L 2x2 ---------------------------------------------------------------------------------------------------------- 0.606W

Package Thermal Resistance (Note 2)

WDFN-8L 2x2,

θJA ----------------------------------------------------------------------------------------------------- 165°C/W

WDFN-8L 2x2,

θJC ---------------------------------------------------------------------------------------------------- 20°C/W

Junction Temperature ------------------------------------------------------------------------------------------------- 150

°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

(VIN = 5V, TA = 25

°C, unless otherwise specified)

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