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TS4268 데이터시트(HTML) 4 Page - Taiwan Semiconductor Company, Ltd

부품명 TS4268
상세내용  180mA Ultra Low Dropout Voltage Regulator with Reset & Watchdog Function
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제조사  TSC [Taiwan Semiconductor Company, Ltd]
홈페이지  http://www.taiwansemi.com
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TS4268 데이터시트(HTML) 4 Page - Taiwan Semiconductor Company, Ltd

   
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Preliminary
TS4268
180mA Ultra Low Dropout Voltage Regulator
with Reset & Watchdog Function
4/7
Version: Preliminary
Electrical Characteristics
(Vin=13.5V, -40≤ Tj ≤125
oC, unless otherwise specified.)
Parameter
Test Conditions
Min
Typ
Max
Unit
Output Voltage
5mA ≤ IL ≤ 150mA, 6V ≤ Vin ≤ 28V
4.90
5.00
5.10
V
Current Limit
Vout= 0
180
250
--
mA
Quiescent Current
Iq= 0mA
Iq= 100mA
--
--
300
13
400
20
uA
mA
Dropout Voltage (note 1)
IL=150mA
--
250
500
mV
Line Regulation
6V≤ Vin ≤28V, IL=150mA
--
10
30
mV
Load Regulation
5mA≤ IL ≤150mA
--
10
30
mV
Reset Function
Reset threshold
4.20
4.50
4.80
V
Reset adjust threshold
1.28
1.35
1.45
V
Reset low voltage
1mA external
--
0.20
0.50
V
Saturation voltage
Vout < VRT
--
0.03
0.10
V
Charging current
VRD < 1.0V
5
12
18
uA
Upper reset timing threshold
1.4
1.8
2.2
V
Reset delay time
CRD = 100nF
10
15
25
mS
Reset reaction time
CRD = 100nF
--
2
--
uS
Pull-up
With resp. to Vout
18
30
46
Lower reset timing threshold
0.20
0.40
0.55
V
Watchdog Input
Discharge current
VRD < 1.0V
1.5
3.5
5.2
uA
Charging current
VRD < 1.0V
5
12
18
uA
Upper timing threshold
1.4
1.8
2.2
V
Lower timing threshold
0.20
0.40
0.55
V
Watchdog periode
CRD = 100nF
30
55
75
mS
Watchdog trigger time
CRD = 100nF
25
40
60
mS
Activating current
Activates watchdog
2
8
15
mA
Slew rate
from 20% up to 80% Vout
5
--
--
V/us
Note 1: Drop voltage = Vin - Vout (measured when the output voltage has dropped 100 mV from the nominal value
obtained at 13.5 V input)
Note 2: The reset output is low in range from Vout = 1V to Vout,rt.


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