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UCC28083 Datasheet(PDF) 13 Page - Texas Instruments

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Part # UCC28083
Description  8-PIN CURRENT MODE PUSH-PULL PWM CONTROLLERS WITH PROGRAMMABLE SLOPE COMPENSATION
PDF  19 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

UCC28083 Datasheet(HTML) 13 Page - Texas Instruments

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UCC28083, UCC28084, UCC28085, UCC28086
UCC38083, UCC38084, UCC38085, UCC38086
SLUS488B − SEPTEMBER 2002 − REVISED MAY 2003
13
www.ti.com
TYPICAL CHARACTERISTICS
10
1000
200
160
120
80
40
0
100
20
60
100
140
180
Figure 10
DEAD TIME
vs
TIMING RESISTANCE OVER VDD
VDD = 14 V
T = −40
°C
T = 25
°C
VDD = 6 V*
VDD = 10 V
VDD = 6 V*
T = 85
°C
VDD = 14 V
RT − Timing Resistance − k
Ω
* UCCx8084/6, only
Figure 11
−50
125
Temperature −
160
100
60
40
0
50
20
80
120
140
−25
0
25
75
100
DEAD TIME
vs
TEMPERATURE
°C
RT = 165 kΩ″
RF= 1 kΩ
CF = 220 kΩ
RSET = 50 kΩ
Figure 12
−50
125
Temperature −
2.0
1.6
1.2
0.8
0.4
0.0
50
0.2
0.6
1.0
1.4
1.8
−25
0
25
75
100
CONTROL TO CS OFFSET
vs
TEMPERATURE
°C
VCS = 0.40 V
VCS = 0 V
Figure 13
015
VDD − Volts
0.6
0.5
0
10
0.1
0.2
0.3
0.4
(OC Clamped)
5
RAMP HEIGHT
vs
VDD
RSET = 18 Ω
TA = 25°C
RSET = 10 Ω
RSET = 50 Ω
RSET = 100 Ω



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