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RT9818D-50GX Datasheet(PDF) 3 Page - Richtek Technology Corporation

Part # RT9818D-50GX
Description  Micro-Power Voltage Detectors
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9818D-50GX Datasheet(HTML) 3 Page - Richtek Technology Corporation

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RT9818
3
DS9818-05
March 2007
www.richtek.com
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-70 / SC-82 ---------------------------------------------------------------------------------------------------------- 0.25W
SOT-23-3 ---------------------------------------------------------------------------------------------------------------- 0.4W
SOT-23-5 ---------------------------------------------------------------------------------------------------------------- 0.4W
SOT-89 ------------------------------------------------------------------------------------------------------------------- 0.55W
Package Thermal Resistance (Note 4)
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 125°C
ESD Susceptibility (Note 2)
HBM (Human Body Mode) ------------------------------------------------------------------------------------------ 2kV
MM (Machine Mode) -------------------------------------------------------------------------------------------------- 200V
Electrical Characteristics
(VDD = 3V, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
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 5.0
--
V
Threshold Voltage Accuracy
ΔVTH
TA = 27°C
−1.5
--
+1.5
%
VDD Drop to Reset Delay
tRD
Drop = VTH -125mV
--
20
--
μs
Reset Active Time
Out Period
RT9818A/E
tRP
VDD ≥ 1.02×VTH
--
0
--
ms
RT9818B/F
35
55
75
RT9818C/G
143
220
297
RT9818D/H
292
450
608
RESET Output Voltage Low (Note 5) VOL
3 = VDD < VTH ISINK >3.5mA
--
--
0.4
V
Hysteresis Width
VHYS
0.01VTH
V
Recommended Operating Conditions
(Note 3)
Junction Temperature Range ----------------------------------------------------------------------------------------
40°C to 125°C
Ambient Temperature Range ----------------------------------------------------------------------------------------
40°C to 85°C


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