Datasheet


   

SGLS121C − JULY 2002 − REVISED APRIL 2008
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
block diagram
Full Cycle
Soft Start
Logic
Power
REF
8
4
5
6
7
31
2
FB COMP CS
VCC
OUT
GND
RC
REF
OK
VCC
OK
0.5 V
4 V
SQ
R
SQ
R
1 V
SQ
R
TQ
Oscillator
PWM
Latch
13.5 V
Leading Edge
Blanking
1.5 V
Overcurrent
REF/2
UCCx801
UCCx804
UCCx805
Only
= 4 ms
AVAILABLE OPTIONS
{
TA
SOIC-8
SMALL OUTLINE
}
(D)
UCC2800QDRQ1
§
UCC2801QDRQ1
§
−40_C to 125_C
UCC2802QDRQ1
§
−40_C to 125_C
UCC2803QDRQ1
§
UCC2804QDRQ1
§
UCC2805QDRQ1
§
{ For the most current package and ordering
information, see the Package Option
Addendum at the end of this document, or see
the TI web site at http://www.ti.com.
‡
Package drawings, thermal data, and
symbolization are available at
http://www.ti.com/packaging.
§
The UCC280x−Q1 is only available taped and
reeled in quantities of 2500 devices per reel.
1
2
3
4
8
7
6
5
COMP
FB
CS
RC
REF
V
CC
OUT
GND
D PACKAGE
(TOP VIEW)