ACE302
Technology
Description
Low Voltage Detector with Built-in Delay Circuit
ACE302 is a series of high precision voltage detector with ultra low current consumption (500nA typ. at
Vdd=3.0V) and a built-in delay circuit. It can work at very low voltage, which makes it perfect for system
reset.
ACE302 is composed of high precision voltage reference, comparator, delay circuit, output driver and
resistor array. Internally preset detect voltage has a low temperature drift and requires no external
trimming.
Two type of output, CMOS and N-channel open-drain are available.
ACE302 is available in SOT-23-3 which is Pb free.
Features
•
•
•
•
•
•
•
•
•
•
•
High-precision detection Voltage：±2%
Detection Voltage：0.9V~6.0V (in 0.1V steps)
Built-in Power on Reset Delay Time circuit::Refer to Selection Guide
Operating Voltage range：0.7V~10V
Ultra-low current consumption：500nA typ. (at VDD＝3.0V)
Two Output forms
：CMOS
and N-channel open-drain (Active Low)
Application
Power monitor for portable equipment such as PDA,DSC,Mobile phone,Notebook,MP3
CPU and Logic Circuit Reset
Battery Checker
Battery Back-up Circuit
Power Failure Detector
Absolute Maximum Ratings
Parameter
Input Voltage
Output Voltage
Output Current
Power Dissipation
Ambient temperature
Storage temperature
Symbol
Max
-0.3~12
-0.3~12
70
150
-40~85
-40~125
Unit
V
V
mA
mW
℃
℃
VER 1.3
1
ACE302
Technology
Packaging Type
SOT-23-3
3
Low Voltage Detector with Built-in Delay Circuit
1
2
Pin No Symbol
Description
1
V
SS
GND Pin
2
V
OUT
Voltage detection output pin
3
V
DD
Voltage input Pin
Ordering information
Selection Guide
ACE302 X XXX X XX
+
H
Halogen - free
Pb - free
Package type
BM: SOT-23-3
Delay time: A:50ms / B:100ms / C:150ms / D:200ms /
E:250ms / F:300ms / G:400ms
Detector Voltage:
090…0.9V / 100…1.0V / 263…2.63V / 300…3.0V /
465…4.65V…..600…6.0V (In 0.1V step)
Output type:
N: Nch
C: CMOS
Recommended Work Conditions
Item
Input Voltage (Vin)
Ambient Temperature (T
J
)
Min
0.7
-40
Typ.
25
Max
10
85
Unit
V
℃
VER 1.3
2
ACE302
Technology
Block diagram
Low Voltage Detector with Built-in Delay Circuit
N channel open-drain
CMOS output
Electrical Characteristics
ACE302N090DBM+ (0.9V)
Symbol
-V
DET
I
SS
V
DDH
V
DDL
(Topt=25℃, Unless otherwise specified)
Parameter
Detector Threshold
Current consumption
Maximum operating voltage
Minimum Operating voltage
Conditions
V
DD
=2.9V
Reference data
Unit
Min. Typ. Max.
0.882 0.9 0.918
V
1
1.5
uA
10
V
0.5
V
0.01
0.05
1.0
0.05
0.50
2.0
mA
mA
I
OUT
Output current
Nch
V
DS
=0.05V，V
DD
=0.7V
V
DS
=0.50V，V
DD
=0.8V
Pch
V
DS
=-2.1V，V
DD
=4.50V
ACE302N270DBM+ (2.7V)
Symbol
-V
DET
I
SS
V
DDH
V
DDL
(Topt=25℃, Unless otherwise specified)
Parameter
Conditions
V
DD
=4.7V
Reference data
Unit
Min. Typ. Max.
2.646 2.7 2.754
V
0.5
1
uA
10
V
0.5
V
0.01
1.0
0.05
2.0
mA
mA
Detector Threshold
Current consumption
Maximum operating voltage
Minimum Operating voltage
I
OUT
Output current
Nch
V
DS
=0.05V，V
DD
=0.7V
Pch
V
DS
=-2.1V，V
DD
=4.50V
VER 1.3
3
ACE302
Technology
ACE302N300DBM+ (3.0V)
Symbol
-V
DET
I
SS
V
DDH
V
DDL
Low Voltage Detector with Built-in Delay Circuit
(Topt=25℃, Unless otherwise specified)
Parameter
Conditions
V
DD
=5.0V
Reference data
Unit
Min. Typ. Max.
2.94 3.0 3.06
V
0.5
1
uA
10
V
0.5
V
0.01
1.0
0.05
2.0
mA
mA
Detector Threshold
Current consumption
Maximum operating voltage
Minimum Operating voltage
I
OUT
Output current
Nch
V
DS
=0.05V，V
DD
=0.7V
Pch
V
DS
=-2.1V，V
DD
=4.50V
ACE302N340DBM+ (3.4V)
Symbol
-V
DET
I
SS
V
DDH
V
DDL
(Topt=25℃, Unless otherwise specified)
Parameter
Conditions
V
DD
=5.0V
Reference data
Unit
Min. Typ. Max.
3.332 3.4 3.468
V
0.5
1
uA
10
V
0.5
V
0.01
1.0
0.05
2.0
mA
mA
Detector Threshold
Current consumption
Maximum operating voltage
Minimum Operating voltage
I
OUT
Output current
Nch
V
DS
=0.05V，V
DD
=0.7V
Pch
V
DS
=-2.1V，V
DD
=4.50V
ACE302N440DBM+ (4.4V)
Symbol
-V
DET
I
SS
V
DDH
V
DDL
(Topt=25℃, Unless otherwise specified)
Parameter
Conditions
V
DD
=6.4V
Reference data
Unit
Min. Typ. Max.
4.312 4.4 4.488
V
0.5
1
uA
10
V
0.5
V
0.01
1.5
0.05
3.0
mA
mA
Detector Threshold
Current consumption
Maximum operating voltage
Minimum Operating voltage
I
OUT
Output current
Nch
V
DS
=0.05V，V
DD
=0.7V
Pch
V
DS
=-2.1V，V
DD
=8.0V
VER 1.3
4
ACE302
Technology
Low Voltage Detector with Built-in Delay Circuit
Electrical Characteristics By Detector Threshold
Detector Threshold
Part Number
Min
ACE302X090XXX+
ACE302X100XXX+
ACE302X110XXX+
ACE302X120XXX+
ACE302X130XXX+
ACE302X140XXX+
ACE302X150XXX+
ACE302X160XXX+
ACE302X170XXX+
ACE302X180XXX+
ACE302X190XXX+
ACE302X200XXX+
ACE302X210XXX+
ACE302X220XXX+
ACE302X230XXX+
ACE302X240XXX+
ACE302X250XXX+
ACE302X260XXX+
ACE302X270XXX+
ACE302X280XXX+
ACE302X290XXX+
ACE302X300XXX+
ACE302X310XXX+
ACE302X320XXX+
ACE302X330XXX+
ACE302X340XXX+
ACE302X350XXX+
ACE302X360XXX+
ACE302X370XXX+
ACE302X380XXX+
ACE302X390XXX+
ACE302X400XXX+
ACE302X410XXX+
ACE302X420XXX+
0.882
0.980
1.078
1.176
1.274
1.372
1.470
1.568
1.666
1.764
1.862
1.960
2.058
2.156
2.254
2.352
2.450
2.548
2.646
2.744
2.842
2.940
3.038
3.136
3.234
3.332
3.430
3.528
3.626
3.724
3.822
3.920
4.018
4.116
-Vdet[V]
Typ
0.900
1.000
1.100
1.200
1.300
1.400
1.500
1.600
1.700
1.800
1.900
2.000
2.100
2.200
2.300
2.400
2.500
2.600
2.700
2.800
2.900
3.000
3.100
3.200
3.300
3.400
3.500
3.600
3.700
3.800
3.900
4.000
4.100
4.200
Max
0.918
1.020
1.122
1.224
1.326
1.428
1.530
1.632
1.734
1.836
1.938
2.040
2.142
2.244
2.346
2.448
2.550
2.652
2.754
2.856
2.958
3.060
3.162
3.264
3.366
3.468
3.570
3.672
3.774
3.876
3.978
4.080
4.182
4.284
VER 1.3
5
0.5
1.0
1.0
1.5
Supply Current1
Iss1[uA]
Condition
Vdd=
(-Vdet)
+0.1V
Typ
0.5
Max
1.0
Supply Current2
Iss2[uA]
Condition
Vdd=
(-Vdet)
+2V
Typ
Max
