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UNISONIC TECHNOLOGIES CO., LTD
81CXX/81NXX
VOLTAGE DETECTORS WITH
BUILT-IN DELAY TIME
CMOS IC
DESCRIPTION
The UTC 81CXX and 81NXX series are good performance
voltage detector and manufactured by CMOS technologies with
highly accurate, low power consumption. A delay circuit is built-in
to each detector, therefore, peripherals are unnecessary and high
density mounting is possible. Detect voltage is extremely accurate
with minimal temperature drift. Both CMOS and N-channel open
drain output configurations are available.
FEATURES
* Highly Accurate:
Detect voltage ± 2%
* Built-In Delay time :
1ms ~ 50ms
50ms ~ 200ms
200ms ~ 400ms
* Detect Voltage Temperature
Characteristics:
TYP± 100ppm/°C
* Wide Operating Voltage Range : 0.7V ~ 10.0V
* Low Current Consumption :
TYP 1.0μA (VIN=2.0V)
ORDERING INFORMATION
CMOS:
Ordering Number
Lead Free
Halogen Free
- 81CXXG--AA3-B-R
- 81CXXG--AB3-E-R
- 81CXXG--AE3-3-R
- 81CXXG--AE3-5-R
- 81CXXG--AE3-2-R
81CXXL--T92-D-B 81CXXG--T92-D-B
81CXXL--T92-E-B 81CXXG--T92-E-B
81CXXL--T92-D-K 81CXXG--T92-D-K
81CXXL--T92-E-K 81CXXG--T92-E-K
:Delay Time
Duration Code
1~50 ms
50~200 ms
200~400 ms
P
Q
R
Package
SOT-223
SOT-89
SOT-23
SOT-23
SOT-23
TO-92
TO-92
TO-92
TO-92
Pin Assignment
123
OG I
OIG
OG I
GO I
I OG
I GO
OIG
I GO
OIG
Packing
Tape Reel
Tape Reel
Tape Reel
Tape Reel
Tape Reel
Tape Box
Tape Box
Bulk
Bulk
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81CXX/81NXX
CMOS IC
ORDERING INFORMATION(Cont.)
N-Channel:
Ordering Number
:Delay Time
Lead Free
Halogen Free
Duration Code
- 81NXXG--AA3-B-R
- 81NXXG--AB3-E-R
- 81NXXG--AE3-3-R
- 81NXXG--AE3-5-R 1~50 ms H
- 81NXXG--AE3-2-R 50~200 ms J
81NXXL--T92-D-B 81NXXG--T92-D-B 200~400 ms K
81NXXL--T92-E-B 81NXXG--T92-E-B
81NXXL--T92-D-K 81NXXG--T92-D-K
81NXXL--T92-E-K 81NXXG--T92-E-K
Note: 1. Pin assignment: I:VIN O:VOUT G:VSS
2. XX: Output Voltage, refer to Marking Information.
Package
SOT-223
SOT-89
SOT-23
SOT-23
SOT-23
TO-92
TO-92
TO-92
TO-92
Pin Assignment
123
OG I
OIG
OG I
GO I
I OG
I GO
OIG
I GO
OIG
Packing
Tape Reel
Tape Reel
Tape Reel
Tape Reel
Tape Reel
Tape Box
Tape Box
Bulk
Bulk
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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81CXX/81NXX
MARKING INFORMATION
PACKAGE
VOLTAGE CODE
MARKING
CMOS IC
SOT-223
SOT-89
TO-92
10:1.0V
11:1.1V
12:1.2V
13:1.3V
14:1.4V
15:1.5V
16:1.6V
17:1.7V
18:1.8V
19:1.9V
20:2.0V
21:2.1V
22:2.2V
23:2.3V
24:2.4V
25:2.5V
26:2.6V
27:2.7V
28:2.8V
29:2.9V
30:3.0V
31:3.1V
32:3.2V
33:3.3V
34:3.4V
35:3.5V
36:3.6V
37:3.7V
38:3.8V
39:3.9V
40:4.0V
41:4.1V
42:4.2V
43:4.3V
44:4.4V
45:4.5V
46:4.6V
47:4.7V
48:4.8V
49:4.9V
50:5.0V
C: CMOS
N: N-Channel
Pin Code
UTC
81XXX
123
L: Lead Free
G: Halogen Free
Voltage Code
Date Code
PACKAGE
INTEGER
(Note 1)
CODE
DECIMAL
(Note 2)
CODE
1. 1 .0 A
2. 2 .1 B
3. 3 .2 C
4. 4 .3 D
SOT-23
5.
6.
5
6
.4
.5
E
F
C: CMOS
N: N-Channel
Voltage Code
.6 G
.7 H
.8 J
.9 K
Notes: 1. Represents the integer of the Detect Voltage
2. Represents the decimal number of the Detect Voltage
MARKING
3
XX G
21
Pin Code
EXAMPLE:
C: CMOS
Voltage Code
81C27
3
2HC G
21
Pin Code
G: Halogen Free
N: N-Channel
Voltage Code
81N27
3
2HN G
21
Pin Code
G: Halogen Free
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www.unisonic.com.tw
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81CXX/81NXX
BLOCK DIAGRAM
CMOS IC
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81CXX/81NXX
CMOS IC
ABSOLUTE MAXIMUM RATINGS (TA=25°C)
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage
VIN 10 V
Output Current
Output Voltage
CMOS
N-Ch open drain
SOT-223
IOUT
VOUT
50
VSS-0.3 ~ VIN+0.3
VSS-0.3 ~ 9
800
mA
V
V
Power Dissipation
SOT-23
SOT-89
PD
150
500
mW
TO-92
300
Operating Temperature
TOPR
-30 ~ +85
°C
Storage Temperature
TSTG
-40 ~ +125
°C
Note Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
THERMAL DATA
PARAMETER
SOT-223
Junction to Case
SOT-23
SOT-89
TO-92
SYMBOL
θJC
RATINGS
20
200
45
100
UNIT
°C/W
ELECTRICAL CHARACTERISTICS (TA=25°C)
Detection voltage (1.0V ~ 1.9V)
PARAMETER
SYMBOL CIRCUIT
Detect Voltage
VDF 1
TEST CONDITIONS
Hysteresis Range
Operating Voltage
Supply Current
N-Channel
Output Current P- Channel
VDF
Temperature Characteristics
Transient Delay Time
(VDR VOUT inversion)
VHYS
VIN
ISS
IOUT
VDF
TOPR × VDF
tDLY *
1
1 VDF=1.6V ~ 6.0V
2
VIN=1.5V
VIN=5.0
3 VDS=0.5V, VIN =1.0V
4
VDS=2.1V, VIN=8.0V
(CMOS output)
5
VIN changes from
0.6V ~ 10V
MIN
VDF (T)
×0.98
VDF
×0.02
0.7
TYP MAX
VDF (T)
VDF (T)
×1.02
VDF
VDF
×0.05 ×0.08
10.0
0.9 2.6
2.0 4.2
2.2
UNIT
V
V
V
μA
μA
mA
-15.4
mA
±100
ppm/°C
50 200 ms
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www.unisonic.com.tw
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