PRODUCT DATABOOK 1996/1997
SG1842/SG1843 Series
CURRENT-MODE PWM CONTROLLER
PRODUCTION DATA SHEET
CHARACTERISTIC CURVES
FIGURE 5. — START-UP CURRENT vs. TEMPERATURE
0.7
SG1842
0.6
0.5
0.4
0.3
SG1843
0.2
FIGURE 6. — REFERENCE VOLTAGE vs. TEMPERATURE
5.02
5.01
5.00
VCC = 15V
4.99
4.98
-75 -50 -25 0 25 50 75 100 125
Junction Temperature - (°C)
-75 -50 -25 0 25 50 75 100 125
Junction Temperature - (°C)
FIGURE 7. — START-UP VOLTAGE THRESHOLD vs.
TEMPERATURE
8.32
SG1843
8.30
8.28
8.26
8.24
8.22
8.20
8.18
-75 -50 -25 0 25 50 75 100 125
Junction Temperature - (°C)
FIGURE 8. — START-UP VOLTAGE THRESHOLD vs.
TEMPERATURE
16.08
16.06
16.04
SG1842
16.02
16.00
15.98
-75 -50 -25 0 25 50 75 100 125
Junction Temperature - (°C)
8
Copyright © 2000
Rev. 1.6 4/00