P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
SG1842/SG1843 Series
C
U R R E N T - M O D E P W M C O N T R O L L E R
P R O D U C T I O N D A T A S H E E T
CHARACTERISTIC CURVES
FIGURE 5. — START-UP CURRENT vs. TEMPERATURE
FIGURE 6. — REFERENCE VOLTAGE vs. TEMPERATURE
5.02
0.7
5.01
SG1842
VCC = 15V
0.6
5.00
4.99
4.98
0.5
0.4
0.3
SG1843
0.2
-75
-50
-25
0
25
50
75
100
125
-75
-50
-25
0
25
50
75
100
125
Junction Temperature - (°C)
Junction Temperature - (°C)
FIGURE 7. — START-UP VOLTAGE THRESHOLD vs.
FIGURE 8. — START-UP VOLTAGE THRESHOLD vs.
TEMPERATURE
TEMPERATURE
16.08
8.32
SG1843
16.06
8.30
SG1842
8.28
8.26
8.24
8.22
8.20
8.18
16.04
16.02
16.00
15.98
-75
-50
-25
0
25
50
75
100
125
-75
-50
-25
0
25
50
75
100
125
Junction Temperature - (°C)
Junction Temperature - (°C)
Copyright © 2000
Rev. 1.6 4/00
8
MICROSEMI [ Microsemi ]
