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RT9818A-50PQW Datasheet(PDF) 3 Page - Richtek Technology Corporation

Part # RT9818A-50PQW
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

RT9818A-50PQW Datasheet(HTML) 3 Page - Richtek Technology Corporation

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RT9818
3
DS9818-11 August 2016
www.richtek.com
©
Copyright 2016 Richtek Technology Corporation. All rights reserved.
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 6V
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
A
Reset Threshold
VTH
TA = 27C
--
1.2 to 5
--
V
Threshold Voltage Accuracy
VTH
TA = 27C
1.5
--
1.5
%
VDD Drop to Reset Delay
tRD
Drop = VTH 125mV
--
20
--
s
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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