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SC1437 Datasheet(PDF) 7 Page - Semtech Corporation

Part # SC1437
Description  Precision Voltage Detector With Programmable Trigger Voltage & Timer Delay
PDF  8 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC1437 Datasheet(HTML) 7 Page - Semtech Corporation

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 2000 Semtech Corp.
www.semtech.com
POWER MANAGEMENT
FIGURE 5: T
FIGURE 5: T
FIGURE 5: T
FIGURE 5: T
FIGURE 5: Trip dela
rip dela
rip dela
rip dela
rip delay Se
y Se
y Se
y Se
y Set t
t t
t t
t t
t to 0mS, JP3 Shor
o 0mS, JP3 Shor
o 0mS, JP3 Shor
o 0mS, JP3 Shor
o 0mS, JP3 Shorttttted.
ed.
ed.
ed.
ed.
Bottom Trace: VTRIP, 5V/div
Top Trace: Charger Voltage, 5V/div
Timebase: 20ms/div
Applications Information Continued
SC1437
FIGURE 6: Int
FIGURE 6: Int
FIGURE 6: Int
FIGURE 6: Int
FIGURE 6: Internal T
ernal T
ernal T
ernal T
ernal Trip V
rip V
rip V
rip V
rip Voltage (4.7V) De
oltage (4.7V) De
oltage (4.7V) De
oltage (4.7V) De
oltage (4.7V) Deviation
viation
viation
viation
viation
Plo
Plo
Plo
Plo
Plott
tt
tt
tt
tted A
ed A
ed A
ed A
ed Against T
gainst T
gainst T
gainst T
gainst Tem
em
em
em
emperature.
perature.
perature.
perature.
perature.
FIGURE 7
FIGURE 7
FIGURE 7
FIGURE 7
FIGURE 7: Int
: Int
: Int
: Int
: Internal T
ernal T
ernal T
ernal T
ernal Trip V
rip V
rip V
rip V
rip Voltage (4.2V) De
oltage (4.2V) De
oltage (4.2V) De
oltage (4.2V) De
oltage (4.2V) Deviation
viation
viation
viation
viation
Plo
Plo
Plo
Plo
Plott
tt
tt
tt
tted A
ed A
ed A
ed A
ed Against T
gainst T
gainst T
gainst T
gainst Tem
em
em
em
emperature.
perature.
perature.
perature.
perature.
INTERNAL TRIP VOLTAGE DEVIATION OVER
TEMPERATURE
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
-40
-20
0
20
40
60
80
100
120
TEMPERATURE (Degrees C)
4.2V Internal
INTERNAL TRIP VOLTAGE DEVIATION OVER
TEMPERATURE
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
-40
-20
0
204060
80
100 120
TEMPERATURE (Degrees C)
4.7V Internal



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