Datasheet

www.ti.com Electrical Performance Specifications
3 Electrical Performance Specifications
Table 1. UCC285710 EVM-654 Electrical Specifications
PARAMETER MIN TYP MAX UNITS
Input Characteristics
V
IN
Input voltage 370 390 410 V
I
IN
Input current 0.275 A
OUTPUT1, OUTPUT2, OUTPUT3, OUTPUT4 Characteristics
V
LED1
, V
LED2
,V
LED3
,
Output voltage set by LED load 96 98 100 V
V
LED4
I
LED1
, I
LED2
,I
LED3
, I
LED4
Output current ripple 0.0125 A
P-P
I
LED1
, I
LED2
,I
LED3
, I
LED4
Output current 0.245 0.25 0.255
I
LED1
, I
LED2
,I
LED3
, I
LED4
Line regulation 0.245 0.25 0.255 A
I
LED1
, I
LED2
,I
LED3
, I
LED4
Load regulation 0.245 0.25 0.255
V
OVP
Single output OVP 136
V
V
UV
Single output under voltage 43
Dimming range 1% 100%
Dimming frequency 270 300 330 Hz
Current matching between strings (10% to 100% dimming) -2% 2%
Output power single output 24.5
W
Full output power 98
Systems Characteristics
F
SW
Switching frequency 84 156 kHz
η Full load efficiency 91% 93%
3
SLUU487A–March 2011–Revised March 2011 98-W Resonant LLC, 4-String LED Driver
Submit Documentation Feedback
© 2011, Texas Instruments Incorporated