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RT9817H-49PY Datasheet(PDF) 3 Page - Richtek Technology Corporation

Part # RT9817H-49PY
Description  Micro-Power Voltage Detectors with Manual Reset
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9817H-49PY Datasheet(HTML) 3 Page - Richtek Technology Corporation

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RT9817
3
DS9817-07
August 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-82 -------------------------------------------------------------------------------------------------------------------- 0.25W
SOT-143 ----------------------------------------------------------------------------------------------------------------- 0.285W
Package Thermal Resistance (Note 4)
SC-82,
θJA --------------------------------------------------------------------------------------------------------------- 400°C
SOT-143,
θJA------------------------------------------------------------------------------------------------------------ 350°C
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, TA = 25
°C, unless otherwise specified)
Recommended Operating Conditions
(Note 3)
Junction Temperature Range ----------------------------------------------------------------------------------------
40°C to 125°C
Ambient Temperature Range ----------------------------------------------------------------------------------------
40°C to 85°C
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
Operating VDD (VOUT) Range
VDD
RT9817A/B/C/D
0.9
--
6
V
RT9817E/F/G/H
1.1
--
6
Supply Current
IDD
VTH = 3V , VDD = 4.5V
--
3
8
μA
R eset Threshold
VTH
--
1.2 to 5.0
--
V
Threshold Voltage Accuracy
ΔVTH
−1.5
--
+1.5
%
Threshold Voltage Hysteresis
VHYS
--
0.01 VTH
--
V
VDD Drop to Reset Delay
tRD
Drop = VTH −125mV
--
20
--
μs
Reset Active
Time Out Period
RT9817A/E
tRP
VDD ≥ 1.02 × VTH
--
0
--
ms
RT9817B/F
35
55
75
ms
RT9817C/G
143
220
297
ms
RT9817D/H
292
450
608
ms
RESET Output Voltage Low
VOL
VDD < VTH(MIN) ,ISINK = 3.5mA,
VTH ≥ 3V
--
--
0.4
V
VDD < VTH(MIN) ,ISINK = 1.2mA,
VTH ≥ 1.8V
--
--
0.3
VTH(MIN) > VDD > 1V,
ISINK = 0.5mA
--
--
0.3
To be continued


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