RT9818D-35GV datasheet(3/14 Pages) RICHTEK

Part #	RT9818D-35GV

Description	Internally Fixed Threshold 1.2V to 5V in 0.1V Step, High Accuracy 짹1.5%

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Manufacturer	RICHTEK [Richtek Technology Corporation]

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RT9818

3

DS9818-10 May 2013

www.richtek.com

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is a registered trademark of Richtek Technology Corporation.

Absolute Maximum Ratings

(Note 1)

Terminal Voltage (with Respect to GND)

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

−0.3V to 6V

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

−0.3V to (VDD + 0.3V)

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

Power Dissipation, PD @ TA = 25

°C

SC-70 / SC-82------------------------------------------------------------------------------------------------------- 0.25W

SOT-23-3 ------------------------------------------------------------------------------------------------------------- 0.4W

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

SOT-89 ---------------------------------------------------------------------------------------------------------------- 0.55W

Package Thermal Resistance (Note 2)

SC-70 / SC-82,

θJA ------------------------------------------------------------------------------------------------- 400°C/W

SOT-23-3,

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

SOT-23-5,

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

SOT-89,

θJA ---------------------------------------------------------------------------------------------------------- 180°C/W

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

°C

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

−65°C to 150°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

--

6

V

Supply Current

IDD

VTH = 3V, VDD = 4.5V, TA = 27°C

--

3

8

μA

Reset Threshold

VTH

TA = 27°C

--

1.2 to 5

--

V

Threshold Voltage Accuracy

ΔVTH

TA = 27°C

−1.5

--

1.5

%

VDD Drop to Reset Delay

tRD

Drop = VTH −125mV

--

20

--

μs

RT9818A/E

--

0

--

RT9818B/F

35

55

75

RT9818C/G

143

220

297

Reset Active

Time Out Period

RT9818D/H

tRP

VDD ≥ 1.02 x VTH

292

450

608

ms

RESET Output Voltage Low

(Note 5)

VOL

3 = VDD < VTH ISINK > 3.5mA

--

0.4

V

Hysteresis Width

VHYS

--

0.01VTH 0.016VTH

V

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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