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UCC28740DR Datasheet(PDF) 10 Page - Texas Instruments

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Part # UCC28740DR
Description  Constant-Voltage Constant-Current Flyback Controller Using Opto-Coupled Feedback
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

UCC28740DR Datasheet(HTML) 10 Page - Texas Instruments

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background image
0
40
80
120
160
200
240
280
320
-50
-25
0
25
50
75
100
125
T
J - Temperature
(oC)
C003
V
HV = 100 V, VVDD = 0 V
0
50
100
150
200
250
300
-50
-25
0
25
50
75
100
125
T
J - Temperature
(oC)
C004
I
VSL(run)
I
VSL(stop)
0.0001
0.001
0.01
0.1
1
10
0
5
10
15
20
25
30
35
VDD - Bias-Supply Voltage (V)
C001
HV = Open
Run State
Wait State
Start State
VDD Turn-On
VDD Turn-Off
0.0001
0.001
0.01
0.1
1
10
-50
-25
0
25
50
75
100
125
T
J - Temperature (
oC)
C002
HV = Open
I
RUN, VDD = 25 V
I
WAIT, VDD = 25 V
I
START, VDD = 18 V
UCC28740
SLUSBF3A – JULY 2013 – REVISED JULY 2013
www.ti.com
TYPICAL CHARACTERISTICS
VVDD = 25 V, TJ = 25°C, unless otherwise noted.
Figure 2. Bias-Supply Current vs. Bias-Supply Voltage
Figure 3. Bias-Supply Current vs. Temperature
Figure 4. HV Startup Current vs. Temperature
Figure 5. VS Line-Sense Currents vs. Temperature
10
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Copyright © 2013, Texas Instruments Incorporated
Product Folder Links: UCC28740


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