RT9811-50CB Ver la hoja de datos (PDF) - Richtek Technology
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RT9811-50CB Datasheet PDF : 6 Pages
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Preliminary
Absolute Maximum Ratings
z Terminal Voltage (with Respect to GND)
VDD
All Other Inputs
z Input Current, VDD
z MR
z Output Current, RESET
z Power Dissipation, PD @ TA = 25°C
SOT-25
z Operating Junction Temperature Range
z Storage Temperature Range
z Package Thermal Resistance
SOT-25, θJA
z Lead Temperature (Soldering, 5sec.)
Electrical Characteristics
(VDD = 3.0, unless specified)
Parameter
Symbol
Test Conditions
Operating VDD (VOUT) Range
Supply Current
Reset Threshold
Threshold Voltage Accuracy
VDD
IDD
VTH
∆VTH
VCC Drop to Reset Delay
tRD
Reset Active Time Out Period tRP
MR Minimum Pulse Width
tMR
MR to Reset Delay
tMD
MR Glitch Immunity
VDD = 1.5V ~ 5V, IOUT = 0
TA = 27°C
TA = 27°C
VDD = 5V, Drop = -20mV
VDD = 1.5V, Drop = -20mV
VDD ≥ 1.02×VTH
Determined by tRP
MR Input Threshold
VIH
VDD = 3.3V
VIL
RESET Output Voltage
VOH
VOL
VDD > VTH, ISOURCE > 1mA
VDD < VTH, ISINK > 3.5mA
Note1: 1.5V ~ 5V, step 0.1V
RT9811
-0.3V to 6.0V
-0.3V to VDD+0.3V
20mA
1mA
20mA
0.25W
-40°C ~ 125°C
-65°C ~ 125°C
250°C /W
260°C
Min Typ Max Units
0.9
--
6
V
--
2.5
--
µA
--
Note1
--
V
--
--
2
%
--
25
--
--
5
--
µS
--
400
--
mS
--
400
--
mS
--
0.8
--
µS
--
100
--
nS
-- 0.85VDD --
V
--
0.2VDD
--
--
0.8VDD
--
V
--
0.2VDD
--
DS9811-00 June 2001
www.richtek-ic.com.tw
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