Datasheet

TL284x, TL384x
CURRENT-MODE PWM CONTROLLERS
SLVS038G − JANUARY 1989 − REVISED FEBRUARY 2008
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, V
CC
= 15 V (see
Note 4), R
T
= 10 kΩ, C
T
= 3.3 nF (unless otherwise specified) (continued)
supply voltage
PARAMETER
TEST CONDITIONS
TL284x TL384x
UNIT
PARAMETER TEST CONDITIONS
MIN TYP
†
MAX MIN TYP
†
MAX
UNIT
Start-up current 0.5 1 0.5 1 mA
Operating supply current VFB and ISENSE at 0 V 11 17 11 17 mA
Limiting voltage I
CC
= 25 mA 34 34 V
†
All typical values are at T
A
= 25°C.
NOTE 4: Adjust V
CC
above the start threshold before setting it to 15 V.