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UU4793 の電気的特性と機能

UU4793のメーカーはUnisonic Technologiesです、この部品の機能は「OVERLOAD MONITORING」です。


製品の詳細 ( Datasheet PDF )

部品番号 UU4793
部品説明 OVERLOAD MONITORING
メーカ Unisonic Technologies
ロゴ Unisonic Technologies ロゴ 




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UU4793 Datasheet, UU4793 PDF,ピン配置, 機能
UNISONIC TECHNOLOGIES CO., LTD
UU4793
Preliminary
LINEAR INTEGRATED CIRCUIT
OVERLOAD MONITORING
WITH RESISTIVE LOAD,
VT = 44.5 mV
„ DESCRIPTION
The UTC UU4793 is a bipolar integrated circuit designed for
monitoring over loading or short circuit in automotive or industrial
applications. The threshold VT is 44.5 mV and V4, 6=VS-VT. VT is not
dependent of the power supply voltage VS. If the voltage
developed across shunt resistor RSH exceeds VT, IC turns on the
output, or else turns off the output.
The output is turned off when input switch Pin 8 is open or there
is a lack of power supply voltage. The output breakdown voltage is
decided by the Z-diodes Z3 and Z5 which have a typical value of
VZ = 22 V.
A not used of the comparator input have to be connected to
Pin 7.
„ FEATURES
* Two common reference comparators
* Tight threshold tolerance
* Constant threshold
* Output with NPN
* 8 kV - ESD protection
* Protection of reverse polarity
* Load-dump protection
„ ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
UU4793L-S08-R
UU4793G-S08-R
UU4793L-S08-T
UU4793G-S08-T
Package
SOP-8
SOP-8
Packing
Tape Reel
Tube
www.unisonic.com.tw
Copyright © 2012 Unisonic Technologies Co., Ltd
1 of 5
QW-R121-022.a

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UU4793 pdf, ピン配列
UU4793
Preliminary
LINEAR INTEGRATED CIRCUIT
„ ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
Current Consumption
(t =2ms, measured at Pin 1 (GND))
Pin 2, 7
Pin 1
VS
I1
16.5 V
1.5 A
Output Current
Pin 3, 5
I3,5
20 mA
Input Voltage (reference point Pin 7) Pin 4, 6
-V4, 6
6V
Power Dissipation
TA= 95°C
TA= 60 °C
PD
360
560
mW
Ambient Temperature
TA
-40 ~ +95
°C
Junction Temperature
TJ 150 °C
Storage Temperature
TSTG
-55 ~ +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
Junction to Ambient
SYMBOL
θJA
RATINGS
160
UNIT
K/W
„ ELECTRICAL CHARACTERISTICS (VS = 9~15 V, TA = -40~+95 °C, fig. 1, unless otherwise specified)
PARAMETER
Supply Voltage
Internal Z-Diode Z2
Current Consumption
Output Saturation Voltage
Output Z-Diodes Z3, Z5
Control Signal Threshold
Temperature Coefficient
Control Signal Threshold
Threshold Voltage
Input Currents
Delay Time
SYMBOL
TEST CONDITIONS
VS
VZ
I1
VS=12V measured at Pin 1
(GND)
VSAT VS= 9V, I3, 5=10mA, TA= 25°C
VZ
-VT I3, 5= 1mA, TA= 25°C
of TC
V8 Switch identification
II
tD(ON) Switch-on High to low
tD(OFF) Switch-off Low to high
PIN
2, 7
2
1
3, 5
3, 5
4, 6
8
4, 6
8
3, 5
MIN TYP MAX UNIT
9 15 V
20 V
4.5 6 mA
0.5 V
21 V
43 44.5 46 mV
15 μV/K
0.6 VS
100
5
6
30
V
nA
μA
μs
μs
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 5
QW-R121-022.a


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共有リンク

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部品番号部品説明メーカ
UU4793

OVERLOAD MONITORING

Unisonic Technologies
Unisonic Technologies


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