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UNISONIC TECHNOLOGIES CO., LTD 81XX
POWER RESET IC
DESCRIPTION
The function of UTC 81XX is to accurately reset system after detecting the supply voltage at the time of switching power on and instantaneous power off in various CPU and other logic systems. Further, this IC, with its super low consumption current and high precision voltage detection capacity, is most suited as a voltage check circuit for a number of products which use batteries.
LINEAR INTEGRATED CIRCUIT
3 1
2
1
SOT-23
TO-92
1
3
2
1
5 4
FEATURES
*High precision voltage detection. (VSS3% max) *low current consumption. (ICCH=15A typ. ICCL=10A typ.) *Low operating threshold voltage (0.65V typ.) *Hystresis voltage is provided as a detect voltage. (50mV typ.) *Large output current at the time ON (15mA typ.) *The detect voltage can be selected at your discretion at 0.1V step within the range of 1.9V to 4.6V by the following stipulation method.
SOT-25
SOT-89
*Pb-free plating product number: 81XX L
ORDERING INFORMATION
Order Number Package Normal Lead Free Plating 81XX-AB3-D-R 81XXL-AB3-D-R SOT-89 81XX-AE3-2-R 81XXL-AE3-2-R SOT-23 81XX-AE3-3-R 81XXL-AE3-3-R SOT-23 81XX-AE3-5-R 81XXL-AE3-5-R SOT-23 81XX-AF5-A-R 81XXL-AF5-A-R SOT-25 81XX-AF5-B-R 81XXL-AF5-B-R SOT-25 81XX-T92-D-B 81XXL-T92-D-B TO-92 81XX-T92-D-K 81XXL-T92-D-K TO-92 81XX-T92-E-B 81XXL-T92-E-B TO-92 81XX-T92-E-K 81XXL-T92-E-K TO-92 Note: Pin Assignment: I: VCC O: VOUT G: GND XX: detected voltage value
81XXL-AB3-D-R (1)Packing Type (2)Pin Assignment (3)Package Type (4)Lead Plating (1) B: Tape Box, K: Bulk, R: Tape Reel (2) refer to Pin Assignment (3) AB3: SOT-89, AF5: SOT-25, AE3: SOT-23, T 92: TO-92 (4) L: Lead Free Plating, Blank: Pb/Sn
Pin Assignment 1 2 3 4 5 I G O I O G O G I G O I NC NC G O I O I G NC NC I G O I G O O I G O I G -
Packing Tape Reel Tape Reel Tape Reel Tape Reel Tape Reel Tape Reel Tape Box Bulk Tape Box Bulk
www.unisonic.com.tw Copyright (c) 2005 Unisonic Technologies Co., Ltd
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MARKING INFORMATION
PACKAGE MARKING
3
LINEAR INTEGRATED CIRCUIT
PACKAGE MARKING
SOT-23
VOLTAGE CODE
DATE CODE PIN CODE
SOT-89
DATE CODE
81XX 123
VOLTAGE CODE
2 3 2
1 1
DATE CODE PIN CODE
SOT-25
VOLTAGE CODE
TO-92
UTC 81XX
PIN CODE DATE CODE
4
5
1
2
3
BLOCK DIAGRAM
VCC
C01 + -
OP1 + -
OUT
GND
The Pin2 this product is SUB, so connect the pin to Ground.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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ABSOLUTE MAXIMUM RATINGS
LINEAR INTEGRATED CIRCUIT
PARAMETER SYMBOL RATINGS UNIT Power supply voltage VCC -0.3~+10 V Operating temperature TOPR -20~+75 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.
ELECTRICAL CHARACTERISTICS
(Ta=25C, The unit of resistance is unless otherwise indicated.) PARAMETER SYMBOL (*1) TEST CONDITIONS UTC 8150 UTC 8146 UTC 8145 UTC 8144 UTC 8143 UTC 8142 UTC 8141 UTC 8140 UTC 8139 UTC 8138 UTC 8137 UTC 8136 UTC 8135 UTC 8134 RL=470 UTC 8133 VCC=H->L Detection Voltage VSS 1 UTC 8132 VOUT=VCC UTC 8131 UTC 8130 UTC 8129 UTC 8128 UTC 8127 UTC 8126 UTC 8125 UTC 8124 UTC 8123 UTC 8122 UTC 8121 UTC 8120 UTC 8119 UTC 8118 RL=470, VCC=L->H->L, Hysteresis Voltage VSS 1 VOUT=VCC RL=470, Ta=-20~+75C Detection Voltage Temperature VSS/T 1 Coefficient VOUT=VCC VCC=VSS min.-0.05V, Low Level Output Voltage VOL 1 RL=470 Output Leakage Current IOH 2 VCC=10V , VOUT=VCC Circuit Current at ON Time ICCL 3 VCC=VSS min.-0.05V, RL= Circuit Current at OFF Time ICCH 3 VCC=VSS typ./0.85, RL= MIN 4.850 4.462 4.365 4.268 4.171 4.074 3.977 3.880 3.783 3.686 3.589 3.492 3.395 3.298 3.201 3.104 3.007 2.910 2.813 2.716 2.619 2.522 2.425 2.328 2.231 2.134 2.037 1.940 1.843 1.746 30 TYP 5.000 4.600 4.500 4.400 4.300 4.200 4.100 4.000 3.900 3.800 3.700 3.600 3.500 3.400 3.300 3.200 3.100 3.000 2.900 2.800 2.700 2.600 2.500 2.400 2.300 2.200 2.100 2.000 1.900 1.800 50 0.01 0.2 3 3 0.4 0.1 5 5 MAX 5.150 4.738 4.635 4.532 4.429 4.326 4.223 4.120 4.017 3.914 3.811 3.708 3.605 3.502 3.399 3.296 3.193 3.090 2.987 2.884 2.781 2.678 2.575 2.472 2.369 2.266 2.163 2.060 1.957 1.854 100 UNIT
V
mV %/C V A A A
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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ELECTRICAL CHARACTERISTICS(Cont.)
PARAMETER "H" Transmission Delay Time "L" Transmission Delay Time Operating Threshold Voltage Output current at ON Time 1 Output current at ON Time 2 SYMBOL TpLH (*2) TpHL (*3) VOPL IOL1 IOL2 (*1) 4 4 1 2 2
LINEAR INTEGRATED CIRCUIT
TEST CONDITIONS CL=100pF, RL=4.7K CL=100pF, RL=4.7k RL=4.7k, VOL0.4V RL=0, VCC=Vs min.-0.05V, VOUT=0.4V Ta=-20~+75C RL=0, VCC=VSS min.-0.15V VOUT=0.4V
MIN
TYP 20 20 0.65
MAX 60 60 0.85
UNIT S S V mA mA
5 3
Note: (*1) MEASUREMENT CIRCUIT (*2) TpLH: VCC=(VSS Typ. -0.4V) -> (VSS Typ. +0.4V) (*3) TpHL: VCC=(VSS Typ. +0.4V) -> (VSS Typ. -0.4V)
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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MEASURING CIRCUITS
1 RL
LINEAR INTEGRATED CIRCUIT
2
V CC
UTC 81XX
GND
V OUT
V CC
UTC 81XX
GND
V OUT
A
VCC
V1
+ 10F
/10V
VCC
V2
V1
+ 10F
/10V
V2
VOUT
3
A
UTC VCC 81XX VOUT
V CC
V
+ 10F
/10V
GND
4)
RL = 4.7K INPUT PULSE
0.2UF VCC
UTC VOUT 81XX
GND
10F /10V
+
5.0V
CL
CRT
NOTE: 1.) A: DC AMMETER 2.) INPUT PULSE
V: DC VOLTMETER
CRT: OSCILLOSCOPE
VsTyp. +0.4V VsTyp. -0.4V 0V
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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LINEAR INTEGRATED CIRCUIT
UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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