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RT9802_11 Datasheet, PDF (3/5 Pages) Richtek Technology Corporation – User Programmable Micro-Power Voltage Detectors
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RT9802
Absolute Maximum Ratings
z Terminal Voltage (with Respect to GND)
VDD ------------------------------------------------------------------------------------------------------------------------ −0.3V to 6.0V
All Other Inputs -------------------------------------------------------------------------------------------------------- −0.3V to VDD+0.3V
z Input Current, VDD ----------------------------------------------------------------------------------------------------- 20mA
z Continuous Power Dissipation, PD @ TA = 25°C
SOT-23-6 ---------------------------------------------------------------------------------------------------------------- 0.25W
z Operating Junction Temperature Range -------------------------------------------------------------------------- −40°C to 125°C
z Storage Temperature Range ---------------------------------------------------------------------------------------- −65°C to 125°C
z Package Thermal Resistance
SOT-23-6, θJA ----------------------------------------------------------------------------------------------------------- 250°C /W
z Lead Temperature (Soldering, 10 sec.) --------------------------------------------------------------------------- 260°C
Electrical Characteristics
(VDD = 3.0, unless specified)
Parameter
Operating VDD (VOUT) Range
Supply Current
Reset Threshold
Threshold Voltage Accuracy
VCC Drop to Reset Delay
Symbol
Test Conditions
VDD
IDD
VDD = 1.5V to 3.5V, IOUT = 0
VDD = 3.5V to 5V, IOUT = 0
VTH
ΔVTH
tRD
TA = 27°C
TA = 27°C
Drop = −125mV
Min
Typ Max
0.9
--
6
--
3
3.3
--
Note1
--
--
3
--
--
20
Reset Active Time Out Period tRP
VDD ≥ 1.02×VTH, Programmable --
200
--
VSET Pin Input Threshold
RESET Output Voltage
VIL
TA = 27°C
VIH
TA = 27°C
VOL
VDD < VTH, ISINK = 3.5mA
--
0.2VDD
--
-- 0.85VDD --
--
0.4
--
Units
V
uA
V
%
us
ms
V
V
DS9802-09 April 2011
www.richtek.com
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