Datasheet

 
  
 
SLVS423 A− MAY 2002 − REVISED SEPTEMBER 2002
15
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 14
2
1.5
1
− UVLO Threshold Voltage − V
2.5
3
UVLO THRESHOLD VOLTAGE
vs
FREE-AIR TEMPERATURE
3.5
−25 0 25 50 75 100
V
IT(H)
V
IL(L)
V
IT(H)
V
IT(L)
T
A
− Free-Air Temperature − °C
−50
Figure 15
80
60
20
0
0
0.5
1
Duty Cycle − %
100
DUTY CYCLE
vs
DTC INPUT VOLTAGE
V
CC
= 6 V
C
T
= 120 pF
R
T
= 10 kΩ
T
A
= 25°C
V
I(DTC)
− DTC Input Voltage − V
1.5
120
40
0.25
0.75
1.25
0.5
0
04080
− Error-Amplifier Maximum Output Voltage − V
1
ERROR-AMPLIFIER MAXIMUM OUTPUT VOLTAGE
vs
SOURCE CURRENT
1.5
120
V
OM +
Source Current − µA
V
CC
= 6 V
V
ID
= 0.1 V
T
A
= 25°C
2
2.5
− Error-Amplifier Minimum Output Voltage − V
ERROR-AMPLIFIER MINIMUM OUTPUT VOLTAGE
vs
SINK CURRENT
0 0.5 1 1.5
V
OM −
V
CC
= 6 V
V
ID
= 0.1 V
Sink Current − mA
0.5
0
1
1.5
2
2.5
Figure 16 Figure 17