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UCC28089 Datasheet(PDF) 13 Page - Texas Instruments

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Part # UCC28089
Description  PRIMARY-SIDE PUSH-PULL OSCILLATOR WITH DEAD-TIME CONTROL
PDF  19 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

UCC28089 Datasheet(HTML) 13 Page - Texas Instruments

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UCC28089
SLUS623 − SEPTEMBER 2004
13
www.ti.com
TYPICAL CHARACTERISTICS
Figure 7
OSCILLATOR FREQUENCY
vs
TEMPERATURE
Tj − Temperature −
°C
−50
50
190
180
25
100
75
0
−25
185
195
210
200
205
215
220
RA = 110 kΩ
RB = 182 Ω
CT = 220 pF
Figure 8
Tj − Temperature −
°C
−50
50
125
98
94
25
100
75
0
−25
96
100
106
102
104
108
110
90
92
OSCILLATOR FREQUENCY
vs
TEMPERATURE
RA = 221 kΩ
RB = 3.32 Ω
CT = 220 pF
Figure 9
Tj − Temperature −
°C
−50
50
125
−1.0%
−2.0%
25
100
75
0
−25
−1.5%
−0.5%
1.0%
0.0%
0.5%
1.5%
2.0%
OSCILLATOR FREQUENCY SHIFT
vs
TEMPERATURE
RA = 110 kΩ
RB = 182 Ω
CT = 220 pF
RA = 221 kΩ
RB = 3.32 Ω
CT = 220 pF
VDD = 9 V
Figure 10
OSCILLATOR FREQUENCY SHIFT
vs
SUPPLY VOLTAGE
VDD − Supply Voltage − V
812
15
0.0%
−0.5%
11
14
13
10
9
0.5%
1.5%
1.0%
2.0%
RA = 110 kΩ
RB = 182 Ω
CT = 220 pF
RA = 221 kΩ
RB = 3.32 Ω
CT = 220 pF



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