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UCC28701DBVR Datasheet(PDF) 5 Page - Texas Instruments

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Part # UCC28701DBVR
Description  Constant-Voltage, Constant-Current Controller With Primary-Side Regulation
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

UCC28701DBVR Datasheet(HTML) 5 Page - Texas Instruments

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UCC28700, UCC28701
UCC28702, UCC28703
www.ti.com
SLUSB41 – JULY 2012
ELECTRICAL CHARACTERISTICS (continued)
over operating free-air temperature range, VDD = 25 V, RCBC = RNTC = open, -20°C ≤ TA ≤ 125°C, TJ = TA
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Protection
VOVP
Over-voltage threshold
At VS input, TJ = 25°C
4.52
4.6
4.68
V
VOCP
Over-current threshold
At CS input
1.4
1.5
1.6
IVSL(run)
VS line-sense run current
Current out of VS pin – increasing
190
220
260
µA
IVSL(stop)
VS line-sense stop current
Current out of VS pin – decreasing
70
80
95
KVSL
VS line-sense ratio
IVSL(run) / IVSL(stop)
2.5
2.8
3.05
A/A
Thermal shut-down
TJ(stop)
Internal junction temperature
165
°C
temperature
Cable Compensation (UCC28700 only)
Cable compensation
VCBC(max)
Voltage at CBC at full load
2.8
3.0
3.4
V
maximum voltage
VCBC = open, change in VS regulating level at full
VCVS(min)
Compensation at VS
-45
-15
25
load
mV
Maximum compensation at
VCBC = 0 V, change in VS regulating level at full
VCVS(max)
275
320
365
VS
load
Cable Compensation (UCC28701/2/3 only)
Compensation at VS
VCVS
Change in VS regulating level at full load
-45
-15
25
(UCC28701)
Compensation at VS
VCVS
Change in VS regulating level at full load
100
mV
(UCC28702)
Compensation at VS
VCVS
Change in VS regulating level at full load
200
(UCC28703)
NTC Input (UCC28701/2/3 only)
VNTCTH
NTC shut-down threshold
Fault UVLO cycle when below this threshold
0.95
V
INTC
NTC pull-up current
Current out of pin
105
µA
Copyright © 2012, Texas Instruments Incorporated
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Product Folder Link(s): UCC28700, UCC28701 UCC28702, UCC28703


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