AAT3500/AAT3501
MicroPowerä
ää
ä 3-Pin Microprocessor Reset
Advanced Analogic Technologies, Inc.
1250 Oakmead Pkwy, Suite 310, Sunnyvale, CA 94086
(408)524-9684 Fax (408)524-9689
Absolute Maximum Ratings (TA=25°C unless otherwise noted)
Symbol Description Value Units
VIN Input Voltage 6 V
TJ Operating Junction Temperature Range -40 to 150 °C
ΘJA Maximum Thermal Resistance (SOT-23-3) 260 °C/W
PD Maximum Power Dissipation (SOT-23-3) 380 mW
TLEAD Maximum Soldering Temperature (at leads, 10 sec) 300 °C
Note: Stresses above those listed in Absolute Maximum Ratings may cause permanent damage to the device. Functional operation at
conditions other than the operating conditions specified is not implied. Only one Absolute Maximum rating should be applied at any one
time.
Electrical Characteristics (TJ=25°C unless otherwise noted)
Symbol Description Conditions Min Typ Max Units
VRANGE Input Voltage Range 1 5.5 V
IDD Supply Current VDD = 3.0V 3 µA
ISD Shutdown Current VIN = 5V, EN = low 1 µA
VTH Reset Threshold Voltage VTHNOM
-1.5% VTHNOM
+1.5% mV
VDD = 1.6V 200 Ω
RDSON(UP) Pull-up Internal Resistance VDD = 5.0V 100 Ω
VDD = 1.6V 200 Ω
RDSON(DN) Pull-down Internal Resistance VDD = 5.0V 100 Ω
TDELAY VDD to Reset Delay 100mV overdrive 40 µs
TRESET Reset Active Period TRNOM
-35% TRNOM
+35% s
TSD Over Temp Shutdown Threshold AAT3501 only 80 °C
THYS Over Temp Shutdown Hysteresis AAT3501 only 20 °C
TC Reference Voltage Temp Coeff 0°C < TA < 70°C ±100 ppm/°C
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