ACE302N090BBM+H 概述
Low Voltage Detector with Built-in Delay Circuit 低电压检测器具有内置延迟电路
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Technology
Low Voltage Detector with Built-in Delay Circuit
Description
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
Symbol
Max
-0.3~12
-0.3~12
70
Unit
V
Input Voltage
Output Voltage
V
Output Current
mA
mW
℃
Power Dissipation
Ambient temperature
Storage temperature
150
-40~70
-40~125
℃
VER 1.2
1
ACE302
Technology Low Voltage Detector with Built-in Delay Circuit
Packaging Type
SOT-23-3
3
Pin No Symbol
Description
GND Pin
1
2
3
VSS
VOUT
VDD
Voltage detection output pin
Voltage input Pin
1
2
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
Min
Typ.
Max
10
Unit
V
Input Voltage (Vin)
Ambient Temperature (TJ)
0.7
-40
25
70
℃
VER 1.2
2
ACE302
Technology Low Voltage Detector with Built-in Delay Circuit
Block diagram
N channel open-drain
CMOS output
Electrical Characteristics
ACE302N090DBM+ (0.9V)
(Topt=25℃, Unless otherwise specified)
Reference data
Symbol
Parameter
Conditions
Unit
Min. Typ. Max.
-VDET
ISS
Detector Threshold
Current consumption
0.882 0.9 0.918
V
uA
V
VDD=2.9V
1
1.5
10
VDDH
VDDL
Maximum operating voltage
Minimum Operating voltage
0.5
V
Nch
0.01 0.05
0.05 0.50
VDS=0.05V,VDD=0.7V
VDS=0.50V,VDD=0.8V
Pch
mA
mA
IOUT
Output current
1.0
2.0
VDS=-2.1V,VDD=4.50V
ACE302N270DBM+ (2.7V)
(Topt=25℃, Unless otherwise specified)
Reference data
Min. Typ. Max.
2.646 2.7 2.754
Symbol
Parameter
Conditions
Unit
-VDET
ISS
Detector Threshold
V
uA
V
Current consumption
Maximum operating voltage
Minimum Operating voltage
VDD=4.7V
0.5
1
VDDH
VDDL
10
0.5
V
Nch
0.01 0.05
mA
mA
VDS=0.05V,VDD=0.7V
IOUT
Output current
Pch
1.0
2.0
VDS=-2.1V,VDD=4.50V
VER 1.2
3
ACE302
Technology Low Voltage Detector with Built-in Delay Circuit
ACE302N300DBM+ (3.0V)
(Topt=25℃, Unless otherwise specified)
Reference data
Symbol
Parameter
Conditions
Unit
Min. Typ. Max.
-VDET
ISS
Detector Threshold
Current consumption
2.94 3.0 3.06
V
uA
V
VDD=5.0V
0.5
1
VDDH
VDDL
Maximum operating voltage
Minimum Operating voltage
10
0.5
V
Nch
0.01 0.05
mA
mA
VDS=0.05V,VDD=0.7V
IOUT
Output current
Pch
1.0
2.0
VDS=-2.1V,VDD=4.50V
ACE302N340DBM+ (3.4V)
(Topt=25℃, Unless otherwise specified)
Reference data
Min. Typ. Max.
3.332 3.4 3.468
Symbol
Parameter
Conditions
Unit
-VDET
ISS
Detector Threshold
V
uA
V
Current consumption
Maximum operating voltage
Minimum Operating voltage
VDD=5.0V
0.5
1
VDDH
VDDL
10
0.5
V
Nch
0.01 0.05
mA
mA
VDS=0.05V,VDD=0.7V
IOUT
Output current
Pch
1.0
2.0
VDS=-2.1V,VDD=4.50V
ACE302N440DBM+ (4.4V)
(Topt=25℃, Unless otherwise specified)
Reference data
Min. Typ. Max.
4.312 4.4 4.488
Symbol
Parameter
Conditions
Unit
-VDET
ISS
Detector Threshold
Current consumption
V
uA
V
VDD=6.4V
0.5
1
VDDH
VDDL
Maximum operating voltage
Minimum Operating voltage
10
0.5
V
Nch
0.01 0.05
mA
mA
VDS=0.05V,VDD=0.7V
IOUT
Output current
Pch
1.5
3.0
VDS=-2.1V,VDD=8.0V
VER 1.2
4
ACE302
Technology Low Voltage Detector with Built-in Delay Circuit
Electrical Characteristics By Detector Threshold
Detector Threshold
Supply Current1
Iss1[uA]
Supply Current2
Iss2[uA]
Part Number
-Vdet[V]
Typ
Min
Max
Condition
Typ Max
0.5 1.0
Condition
Typ Max
Vdd=
(-Vdet)
+0.1V
Vdd=
(-Vdet)
+2V
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
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
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
1.0
1.5
0.5
1.0
VER 1.2
5
ACE302
Technology Low Voltage Detector with Built-in Delay Circuit
ACE302X430XXX+
ACE302X440XXX+
ACE302X450XXX+
ACE302X460XXX+
ACE302X470XXX+
ACE302X480XXX+
ACE302X490XXX+
ACE302X500XXX+
ACE302X510XXX+
ACE302X520XXX+
ACE302X530XXX+
ACE302X540XXX+
ACE302X550XXX+
ACE302X560XXX+
ACE302X570XXX+
ACE302X580XXX+
ACE302X590XXX+
ACE302X600XXX+
4.214
4.312
4.410
4.508
4.606
4.704
4.802
4.900
4.998
5.096
5.194
5.292
5.390
5.488
5.586
5.684
5.782
5.880
4.300
4.400
4.500
4.600
4.700
4.800
4.900
5.000
5.100
5.200
5.300
5.400
5.500
5.600
5.700
5.800
5.900
6.000
4.386
4.488
4.590
4.692
4.794
4.896
4.998
5.100
5.202
5.304
5.406
5.508
5.610
5.712
5.814
5.916
6.018
6.120
Minimum
Operating
Detector Threshold
Output Current1
Iout1[mA]
Output Current2
Iout2[mA]
Temperature Coefficient
Voltage
VDDL[V]
ꢀ-VDET/ꢀTppm/°C
Condition
Min. Typ. Condition
Min. Typ. Typ. Max.
Condition
Typ.
VDD=0.85V 0.1 0.5
VDD=1.0V 0.2 1.0
VDD=1.5V 1.0 2.0
NCH,
0.01 0.05 NCH,VDS=0.5V
0.5
0.7
-40℃ Topt 85℃ 100
VDS=0.05V,VDD=0.7V
Electrical Characteristics By Output Delay Time
Output Delay Time
Unit
ꢀ
Part Number
Test Condition
Min
Typ
50
Max
ACE302XXXXAXX+
ACE302XXXXBXX+
ACE302XXXXCXX+
ACE302XXXXDXX+
ACE302XXXXEXX+
ACE302XXXXFXX+
ACE302XXXXGXX+
45
55
90
100
150
200
250
300
400
110
165
220
275
330
440
135
180
225
270
360
VDD=1.0V to Vdet+1.0V
ms
VER 1.2
6
ACE302
Technology Low Voltage Detector with Built-in Delay Circuit
Function description
High precision low temperature co-efficiency reference voltage is applied to the negative input of a
comparator. Input voltage, divided by resistor array of Ra and Rb, is applied to the positive input of the
comparator. Output of the comparator passes a delay circuit and a series of buffer to drive the output
CMOS pair.
VDET =VREF*(1+Ra/Rb)
No
I
Operation status
VDD>Vdet
Output status
Output voltage is equal to the supply voltage
Output voltage equals to GND level
II
VDD drops below Vdet
VDD drops further below
VDDL
III
Output voltage is undefined
IV
V
VDD rises above VDDL
VDD rises above Vdet
Output voltage equals to GND level
Output voltage equals to supply voltage after Tdelay
VER 1.2
7
ACE302
Technology Low Voltage Detector with Built-in Delay Circuit
Typical Circuits
(1) Supply current test circuit
(2) Detector threshold test circuit
ACE302
ACE302
(3) NCHply current test circuit
(2) Detector threshold test circuit
AC302
ACE302
Typical Performance Characteristics
1. Supply current VS. Input Voltage
Detector threshold=0.9V
Detector threshold=2.7V
Input voltage (V)
Input Voltage (V)
VER 1.2
8
ACE302
Technology Low Voltage Detector with Built-in Delay Circuit
Detector threshold=3.0V
Detector threshold=4.4V
Input voltage (V)
Input Voltage (V)
2. Detector Threshold VS. Temperature
Detector threshold=0.9V
Detector threshold=2.7V
Temperature (℃)
Temperature (℃)
Detector threshold=3.0V
Detector threshold=4.4V
Temperature (℃)
Temperature (℃)
VER 1.2
9
ACE302
Technology Low Voltage Detector with Built-in Delay Circuit
3. Nch Driver Output Current VS. VDS
ACE302X090XXX+
ACE302X270XXX+
VDS (V)
VDS (V)
ACE302X300XXX+
ACE302X440XXX+
VDS (V)
VDS (V)
4. Nch Driver Output Current VS. Input Voltage
Detector threshold=2.7V
Detector threshold=3.0V
Input Voltage Vin (V)
Input Voltage Vin (V)
VER 1.2 10
ACE302
Technology Low Voltage Detector with Built-in Delay Circuit
5. PCH Driver Output Current VS. Input Current
Detector threshold=0.9V
Detector threshold=2.7V
Input Voltage Vin (V)
Input Voltage Vin (V)
Detector threshold=4.4V
Input Voltage Vin (V)
Typical Applications
ACE302
Note:
1. R0 is unnecessary for CMOS output products.
2. The value of R0 need to be selected in different application, Typical value is 470kΩ
VER 1.2 11
ACE302
Technology Low Voltage Detector with Built-in Delay Circuit
Packing Information
SOT-23-3
VER 1.2 12
ACE302
Technology Low Voltage Detector with Built-in Delay Circuit
Notes
ACE does not assume any responsibility for use as critical components in life support devices or systems
without the express written approval of the president and general counsel of ACE Electronics Co., LTD.
As sued herein:
1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant
into the body, or (b) support or sustain life, and shoes failure to perform when properly used in
accordance with instructions for use provided in the labeling, can be reasonably expected to result in
a significant injury to the user.
2. A critical component is any component of a life support device or system whose failure to perform can
be reasonably expected to cause the failure of the life support device or system, or to affect its safety
or effectiveness.
ACE Technology Co., LTD.
http://www.ace-ele.com/
VER 1.2 13
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