UIC813L-E-AE3-3-R [UTC]
Power Supply Support Circuit,;型号: | UIC813L-E-AE3-3-R |
厂家: | Unisonic Technologies |
描述: | Power Supply Support Circuit, |
文件: | 总5页 (文件大小:206K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
UNISONIC TECHNOLOGIES CO., LTD
UIC813
Preliminary
CMOS IC
3-PIN MICROPROCESSOR
RESET CIRCUITS
DESCRIPTION
The UTC UIC813 series are resetting circuits which can monitor
power supplies especially in microprocessor based systems.
In normal operation, the UTC UIC813 series can assert a reset
under any of the following situation: the power supply drops below
a designated reset threshold level (which is available for 3V or 3.3V
or 5V system).
There is an internal active high RESET output which has
already been guaranteed to remain asserted for at 140ms least
while VCC rises above the designed threshold level.
FEATURES
* Voltage monitor for 3V or 3.3V or 5V power supplies
* Valid RESET remains with VCC as low as 1V
* Typical supply current: 10µA
* Fixed 140ms minimum reset pulse width
* Push-Pull Reset Active High Optput.
ORDERING INFORMATION
Ordering Number
Pin Assignment
Package
Packing
Lead Free
Halogen Free
1
2
3
4
-
UIC813L-x-AE3-3-R
UIC813L-x-AE3-5-R
UIC813L-x-AD4-R
UIC813G-x-AE3-3-R
UIC813G-x-AE3-5-R
UIC813G-x-AD4-R
SOT-23
SOT-23
SOT-143
GND RESET
RESET GND
GND RESET
VCC
VCC
MR
Tape Reel
Tape Reel
Tape Reel
-
VCC
Note: x: Output Voltage, refer to Marking Information.
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UIC813
Preliminary
CMOS IC
MARKING INFORMATION
PACKAGE
VOLTAGE CODE
MARKING
3
3V
SOT23
Voltage Code
Pin Code
A: 2.63V
B: 2.93V
C: 3.08V
D: 4.00V
E: 4.38V
F: 4.63V
1
2
SOT-143
PIN CONFIGURATION
SOT-23
SOT-143
AE3-3
AE3-5
PIN DESCRIPTION
PIN NAME
DESCRIPTION
GND
RESET
VCC
Ground
Reset Output Pin
Input of power supply
No Connection
NC
BLOCK DIAGRAM
Driver
Delay Circuit
RESET
VREF
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UIC813
Preliminary
CMOS IC
FUNCTIONAL DIAGRAM
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UIC813
Preliminary
CMOS IC
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
VCC
RATINGS
-0.3~+6.0
-0.3~(VCC+0.3)
20
UNIT
V
Supply Voltage
RESET (push-pull)
Input Current, VCC
VRESET
ICC
V
mA
mA
V/µs
mW
mW
°C
Output Current, RESET
IOUT
20
Rate of Rise
VCC(RR)
100
Continuous Power Dissipation (TA=+70°C), SOT-23
360
PD
De-rate 4mW/°C Above +70°C
Operating Junction Temperature Range
Storage Temperature Range
SOT-143
320
TOPR
TSTG
-40 ~ +105
-65 ~ +150
°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=-40~85°C unless otherwise note. Typical values are at TA=+25°C) (Note 1)
PARAMETER
VCC Range
SYMBOL
VCC
TEST CONDITIONS
TA=0°C~+70°C
MIN
1.0
TYP
MAX
5.5
UNIT
V
Supply Current
ICC
VTH+0.2V
VCC=3V
10
30
μA
UIC813-A
UIC813-B
UIC813-C
UIC813-D
UIC813-E
UIC813-F
2.59
2.88
3.02
3.93
4.31
4.54
2.63
2.93
3.08
4.00
4.38
4.63
30
2.69
3.00
3.15
4.08
4.47
4.72
VCC=3.3V
Reset Threshold
VTH
V
VCC=5V
Reset Threshold Tempco
Set-up Time
VTH
TS
ppm/°C
μs
VCC=VTH~(VTH-100mV)
TA=0°C~+85°C
20
Reset Active Timeout Period
tRST
140
320
560
0.3
0.4
ms
VCC=VTH+0.2, ISINK=1.2mA
CC=VTH+0.2, ISINK=3.2mA
1.8V<VCC<VTH-0.2, ISOURCE=150uA 0.8×VCC
RESET Output Voltage-Low
VOL
V
V
V
RESET Output Voltage-High
VOH
Notes: 1. Production testing done at TA=+25°C; limits over temperature guaranteed by design.
2. Devices mounted on FR-4 substrate PC board, 2oz copper, with minimum recommended pad layout.
UNISONIC TECHNOLOGIES CO., LTD
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UIC813
Preliminary
CMOS IC
TYPICAL APPLICATION 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. UTC reserves the right to
make changes to information published in this document, including without limitation specifications and
product descriptions, at any time and without notice. This document supersedes and replaces all
information supplied prior to the publication hereof.
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