AAT3526/7/8
MicroPower™ Supervisory Circuit
with Manual Reset
Electrical Characteristics
V
IN
= 5V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are T
A
= 25°C, V
CC
= 5V for 4.63/4.38V ver-
sions, V
CC
= 3.3V for 3.08/2.93V versions, V
CC
= 3.0V for 2.63V versions, and V
CC
= 2.5V for 2.32/2.2V versions.
Symbol
V
CC
I
Q
V
TH
∆V
TH
/°C
t
P
t
RDY
t
MR
MRGI
t
MD
V
IH
V
IL
R
MR
V
OL
Description
Operation Voltage
Quiescent Current
RESET Threshold
1
Conditions
T
A
= 0°C to +70°C
T
A
= -40°C to +85°C
V
CC
= 5.5V
V
CC
= 3V
T
A
= 25°C
T
A
= -40°C to +85°C
Min
1.0
1.2
Typ
Max
Units
V
OH
V
OL
V
OH
I
DOFF
RESET Threshold Tempco
RESET Propagation Delay
V
CC
= V
TH
to (V
TH
- 100mV)
RESET Active Timeout Period
MR Minimum Pulse Width
MR Glitch Immunity
MR to Reset Propagation Delay
V
CC
= V
TH(MAX)
, V
TH
≥
4.38V
MR Input Threshold (High)
V
CC
= V
TH(MAX)
, V
TH
<
4.38V
V
CC
= V
TH(MAX)
, V
TH
≥
4.38V
MR Input Threshold (Low)
V
CC
= V
TH(MAX)
, V
TH
<
4.38V
MR Pull-Up Resistance
I
SINK
= 1.2mA, V
CC
= V
TH(min)
,
RESET Low Output Voltage
V
TH
≤
3.08V, RESET Asserted
AAT3526, AAT3528
I
SINK
= 3.2mA, V
CC
= V
TH(min)
,
V
TH
>
3.08V, RESET Asserted
I
SOURCE
= 800µA, V
TH
> 3.08V,
RESET High Output Voltage
V
CC
> V
TH (max)
AAT3526
I
SOURCE
= 500µA, V
TH
≤
3.08V,
V
CC
>
V
TH (max)
I
SINK
= 1.2mA, V
CC
> V
TH (max)
RESET Low Output Voltage
V
TH
≤
3.08V, RESET Not Asserted
AAT3527
I
SINK
= 3.2mA, V
CC
> V
TH (max)
V
TH
>
3.08V, RESET Not Asserted
I
SOURCE
= 500µA, V
CC
> 2.1V,
RESET High Output Voltage
RESET Asserted
AAT3527
I
SOURCE
= 50µA, V
CC
> 1.2V,
RESET Asserted
RESET Leakage Current,
V
CC
> V
TH
AAT3528
5.5
V
5.5
1.05
3
µA
0.85
2
V
TH
- 1.5% V
TH
V
TH
+ 1.5%
V
V
TH
- 2.5% V
TH
V
TH
+ 2.5%
40
ppm/°C
15
µs
150
250
400
ms
10
µs
100
ns
0.5
µs
2.3
V
0.7
×
V
CC
0.8
V
0.25
×
V
CC
30
65
90
kΩ
0.3
V
0.4
V
CC
- 1.5
V
0.8 V
CC
0.3
V
0.4
0.8V
CC
V
0.8V
CC
1
µA
1. See Ordering Information for factory-trimmed reset thresholds.
4
3526.2006.03.1.6
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
