User Manual

APX803/D
3-PIN MICROPROCESSOR RESET CIRCUIT
APX803
Document number: DS32132 Rev. 2 - 2
4 of 11
www.diodes.com
September 2010
© Diodes Incorporated
Electrical Characteristics (T
A
= 25°C)
T
A
= -40 to 85
°
C unless otherwise note. Typical values are at T
A
=+25 °C.
Symbol Parameter Test Conditions Min Typ. Max Unit
I
CC
Supply Current V
TH
+ 0.2V 30 40 μA
V
TH
Reset Threshold
APX803-23
T
A
= 25
o
C
2.21 2.25 2.30
V
APX803-26 2.59 2.63 2.66
APX803-29 2.89 2.93 2.96
APX803D-29 2.89 2.93 2.96
APX803-31 3.04 3.08 3.13
APX803-40 3.94 4.00 4.06
APX803-44 4.31 4.38 4.45
APX803-46 4.56 4.63 4.70
Reset Threshold hysteresis V
TH-H
– V
TH-L
40 mV
Reset Threshold Tempco 30 ppm/°C
t
S
V
CC
to RESET delay V
CC
= V
TH
to (V
TH
– 100mV) 20 µs
t
DELAY
Reset Active
Timeout Period
APX803-XX
T
A
= 0
o
C to +85
o
C
140 200 280
ms
APX803D-29 1 3.3
V
OL
TRESE Output Voltage Low
V
CC
= V
TH
-0.2, I
SINK
= 1.2mA 0.3
V V
CC
= V
TH
-0.2, I
SINK
= 3.5mA 0.4
V
CC
> 1.0V, I
SINK
= 50uA 0.3
I
OH
TRESE Output High leakage
current
V
CC
> V
TH
+0.2 1 µA
θ
JA
Thermal Resistance Junction-to-
Ambient
SOT23/SOT23R (Note 2) 201 °C/W
θ
JC
T
hermal Resistance
Junction-to-Case
SOT23/SOT23R (Note 2) 56 °C/W
Notes: 2. Test condition for SOT23 and SOT23R: Devices mounted on FR-4 substrate PC board, 2oz copper, with minimum
recommended pad layout.
3. Final datasheet limits to be determined by characterization and correlation.