Datasheet

-40 125
T
J
- Temperature - °C
999
1079
25
F
SW(max)
- Maximum Switching Frequency - Hz
MAXIMUM SWITCHING FREQUENCY
vs
TEMPERATURE
1059
1039
1019
-40 125
T
J
- Temperature - °C
93.6
95.4
25
F
SW(nom)
- Nominal Switching Frequency - Hz
NOMINAL SWITCHING FREQUENCY
vs
TEMPERATURE
95.0
94.6
94.0
-40 125
T
J
- Temperature - °C
-0.50
0.00
25
Error Amplifier OFFSET voltage - mV
ERROR AMPLIFIER OFFSET VOLTAGE
vs
TEMPERATURE
-0.05
-0.15
-0.25
-0.45
-0.35
V
IO
= 500 mV
V
IO
= 3.6 V
V
IO
= 2.5 V
-0.10
-0.20
-0.30
-0.40
-40 125
T
J
- Temperature - °C
85
125
25
AVOL - Voltage Error Amplifier - dB
VOLTAGE ERROR AMPLIFIER
(Open Loop Gain)
vs
TEMPERATURE
115
105
95
120
110
100
90
UCC28950
www.ti.com SLUSA16B –MARCH 2010–REVISED OCTOBER 2011
TYPICAL CHARACTERISTICS (continued)
Figure 31. Figure 32.
Figure 33. Figure 34.
Copyright © 2010–2011, Texas Instruments Incorporated Submit Documentation Feedback 31
Product Folder Link(s): UCC28950