Datasheet

TPS5103
MULTIPLE MODE SYNCHRONOUS DC/DC CONTROLLER
SLVS240A – SEPTEMBER 1999 – REVISED MAY 2001
14
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 19
V
TLH
V
THL
3.85
3.80
3.75
3.70
–40 –20 25
– UVOL Threshold Voltage – V
3.90
3.95
UVLO THRESHOLD VOLTAGE
vs
JUNCTION TEMPERATURE
4
85 125
V
THL,
V
TLH
T
J
– Junction Temperature – °C
Figure 20
50
30
20
0
–40 –20 25
– UVLO Hysteresis Voltage – mV
60
70
UVLO HYSTERESIS VOLTAGE
vs
JUNCTION TEMPERATURE
80
85 125
40
10
V
hys
T
J
– Junction Temperature – °C
Figure 21
T
J
– Junction Temperature – °C
4.60
4.50
4.40
4.35
–45 –25 25
– 5 VSW Threshold Voltage – V
4.70
4.75
5 VSW THRESHOLD VOLTAGE
vs
JUNCTION TEMPERATURE
4.80
95 135
4.65
4.55
4.45
V
TLH
V
THL
V
THL,
V
TLH
Figure 22
140
80
40
0
–45 –25 25
– 5 VSW Hysteresis Voltage – mV
160
180
5 VSW HYSTERESIS VOLTAGE
vs
JUNCTION TEMPERATURE
200
95 135
120
100
60
20
V
hys
T
J
– Junction Temperature – °C