lp3809 Lowpower Semiconductor inc, lp3809 Datasheet - Page 2

• Manufacturer Part Number: lp3809
• Description: Micro-power Voltage Detectors, Reset Of Mcu With Delay Time
• Manufacturer: Lowpower Semiconductor inc

Electrical Characteristics
Quiescent Current
Reset Threshold
Threshold Voltage Accuracy
VDD Drop to Reset Delay
Reset Active Time
RESET Output Voltage Low
Thermal Shutdown
Temperature
Functional Pin Description
Pin Name Pin Function
GND
RESET
VDD
Function Block Diagram
Absolute Maximum Ratings
Supply Input Voltage---------------------------------------------------------------------------------------------------6V
Power Dissipation, PD @ TA = 25°C
SOT-23 --------------------------------------------------------------------------------------------------------------------400mW
Package Thermal Resistance
SOT-23, θJA -------------------------------------------------------------------------------------------------------------250°C/W
ESD Susceptibility
HBM (Human Body Mode) ---------------------------------------------------------------------------------------------2kV
MM(Machine-Mode)-----------------------------------------------------------------------------------------------------200V
Recommended Operating Conditions
Supply Input Voltage-----------------------------------------------------------------------------0.3V to 6V
Operation Ambient Temperature Range------------------------------------------------−40°C to 85°C
LP3809-datasheet Oct.-2004
Parameter
Ground
Active Low Open-Drain Reset Output
Power Pin
ΔVTH
LP3809A/B VDD ≥ 1.02×VTH
TSD
Symbol
IQ
VTH
Trd
VOL
0mA
TA = 27°C
Drop = VTH -125mV
3 = VDD < VTH ISINK
>3.5mA
VEN ≥ 1.2V, IOUT =
Test Conditions
2-2
1.2
-1.5
Min
Typ
210
165
0.4
20
3
Max
1.5
1.5
LP3809
Units
μA
°C
mS
uS
%
V
V