sc1437 Semtech Corporation, sc1437 Datasheet - Page 7

• Manufacturer Part Number: sc1437
• Description: Precision Voltage Detector With Programmable Trigger Voltage & Timer Delay
• Manufacturer: Semtech Corporation

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