RT9816 datasheet(3/10 Pages) RICHTEK

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RT9816

DS9816-06 March 2013

www.richtek.com

is a registered trademark of Richtek Technology Corporation.

Absolute Maximum Ratings

(Note 1)

Terminal Voltage (with Respect to GND)

VDD ------------------------------------------------------------------------------------------------------------------------

−0.3V to 6.0V

All Other Inputs --------------------------------------------------------------------------------------------------------

−0.3V to VDD+0.3V

Input Current, IVDD ----------------------------------------------------------------------------------------------------- 20mA

Power Dissipation, PD @ TA = 25°C

SC-82 -------------------------------------------------------------------------------------------------------------------- 0.25W

Package Thermal Resistance (Note 2)

SC-82,

θJA --------------------------------------------------------------------------------------------------------------- 400°C

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

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

−65°C to 125°C

ESD Susceptibility (Note 3)

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

Electrical Characteristics

(VDD = 3V, unless otherwise specified)

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Operating VDD (VOUT) Range

VDD

0.9

Supply Current

IDD

VTH = 3V , VDD = 4.5V TA = 27°C

μA

Reset Threshold

VTH

TA = 27°C

1.2 to 5.0

VIL

TA = 27°C, VTH > 1.2V

0.25VDD

MR Input Threshold

VIH

TA = 27°C, VTH > 1.2V

0.7VDD

MR Glitch Rejection

800

Threshold Voltage Accuracy

ΔVTH

TA = 27°C

−1.5

1.5

VDD Drop to Reset Delay

tRD

Drop = VTH -125mV

μs

RT9816A/E

RT9816B/F

RT9816C/G

143

220

297

Reset Active

Time Out Period

RT9816D/H

tRP

VDD ≥ 1.02×VTH

292

450

608

RESET Output Voltage Low

VOL

3 = VDD < VTH ISINK >3.5mA

0.4

Hysteresis Width

VHYS

0.01VTH

Recommended Operating Conditions

(Note 4)

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

−40°C to 125°C

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

−40°C to 85°C

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