l4949dw ON Semiconductor, l4949dw Datasheet - Page 5

• Manufacturer Part Number: l4949dw
• Description: 5v / 100ma Ldo W/ Reset, Delay Reset And Early Warning
• Manufacturer: ON Semiconductor

6.0
5.0
4.0
3.0
2.0
1.0
6.0
5.0
4.0
3.0
2.0
1.0
0
1.0
0
4.0
Resistor 10 k
from Sense Output
to 5.0 V
T
Resistor 10 k
from Reset Output
to 5.0 V
1.05
T
J
J
4.1
= 25°C
= 25°C
Figure 10. Sense Output versus
1.1
4.2
Figure 8. Reset Output versus
Regulator Output Voltage
V
1.15
SI
Sense Input Voltage
4.3
, SENSE INPUT VOLTAGE (V)
V
out
, OUTPUT VOLTAGE (V)
1.2
4.4
1.25
4.5
TYPICAL CHARACTERIZATION CURVES
1.3
4.6
1.35
4.7
1.4
4.8
1.45
L4949, NCV4949
http://onsemi.com
4.9
1.5
5.0
5
4.66
4.62
4.58
4.54
4.46
4.42
1.38
1.36
1.34
1.32
1.28
1.26
1.24
1.22
4.7
4.5
1.4
1.3
1.2
-40
-40
-20
Upper Threshold
Lower Threshold
-20
Upper Threshold
Lower Threshold
Figure 11. Sense Thresholds versus
Figure 9. Reset Thresholds versus
T
(continued)
0
T
0
J
J
, JUNCTION TEMPERATURE (°C)
, JUNCTION TEMPERATURE (°C)
Junction Temperature
Junction Temperature
20
20
40
40
60
60
80
80
100
100
120
120