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UCC28811D 数据表(PDF) 3 Page - Texas Instruments

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部件名 UCC28811D
功能描述  A 0.9-A Constant Current Supply with PFC for 100-W LED
PDF  17 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

UCC28811D 数据表(HTML) 3 Page - Texas Instruments

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Electrical Performance Specifications
www.ti.com
Electrical Performance Specifications
Table 1. UCC28810EVM-002 Electrical Performance Specifications
SYMBOL
PARAMETER
CONDITIONS
MIN
NOM
MAX
UNITS
INPUT CHARACTERSTICS
VIN
Input voltage
90
264
VRMS
IIN
Input current
0.175
1.1
ARMS
PF
Power factor
POUT = 80 W to 100 W
0.95
0.97
OUTPUT CHARACTERSTICS
PFC Stage
VOUT
PFC output voltage
235
415
VDC
LED Driver Stage
POUT
Output power
45
80
100
W
IOUT
Output current
0.84
0.9
0.96
A
Line regulation
0.03
Frequency
60
128
kHz
SYSTEMS CHARACTERSTICS
η
Full load efficiency
90%
93%
PWM Dimming(1)
Threshold
0.72
1.3
V
Frequency range
200
1000
Hz
Duty cycle
0%
90%
(1)
The PWM dimming signal is inverted, 0% duty cycle is 100% LED current.
SLUU355A – March 2009 – Revised June 2009
A 0.9-A Constant Current Supply with PFC for 100-W LED Lighting Applications
3
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