Page 45 - CNC Robotics

CNC Roboti cs

L298

EL ECTRICAL CHARACTERISTICS (conlinued)
Symbol Parameter Test Condltlons Mi n . Typ. Max . Unit
r , (VJ Source Curre ri Tum-est Delay O.5 V; loO.9I L (2);(4) 1.5 "S
T 2 (VJ Source Curreri Fall Time o.s i, to 0.1 It (2);(4) 0.2 "s
T3 (VJ Source Curreri Tum-m Delay 0.5 Vil a O.1 IL (2);(4) 2 "S
T 4 (VJ So urce Curreri Rise Time a.llt IOO.9 Il (2);(4) 0.7 "S
Ts {W Sink Currert Tum-off Delay O.5V, to O.9 It (3);(4) 0.7 "s
r, (VJ Sink Currert Fall Time a.9 1 L 100.1 It (3);(4) 0.25 "s
T7 (VJ Sink Cu rrert T um-on Delay O.5 V;to O.9 IL (3);(4) 1.6 "S
1 8 (VJ Sink Curreri Rise Time o.i i, lo O.g IL (3); (4) 0.2 "S
fc (VJ Commutati<rl Frequency Il _2A 25 40 KH'
T 1 (V..,) Source Curreri Tum-ot Delay 0.5 V ento a.9 ll (2);(4) 3 OS
T2 (V..,) Sou rce Currert Fall Time o.si, to O.llt (2);(4) 1 "s
T3 (V~ Sou rce Curreri Turn-en Del ay 0.5 V.., to c.u, (2);(4) 0.3 OS
T4 (V~ Source Currert Rise Time o.u, foO.91 L (2); (4) 0.4 "S
Ts (V~ Sink Cu rreri Tum-off Delay 0.5 V ttn to a .g ll (3); (4) 2.2 "S
f e (V. ,,) Sink Curreri Fall Time a.9 I l 100.1 I t (3); (4) 0.35 "S
T7 (Ve,,) Sink Curren Tum-on Delay 0.5V en to O.9 IL (3);(4) 0.25 "s
r, (Ven> Sink Curren Rise TIm e 0.1 1 L to O.glL (3); (4) 0.1 ,ra
1) 1}Sensilg voltage can be -1 V fort £ 50 usee; in steady stale V......min Ol! - 0.5 V.
2) See hg.2. .
3) Sea fig. 4
4) The load must be a pure resistor,

Fig ure 1 : Typical Saturation Voltage vs. Output Figu re 2 : Switching Times Test Circuits.
Current.
" · U II
V5. T
IV'
Ys =42V
"u .5V H ""IIT ,
/ L
l.D OOT
V":V
,NAllL£ IlL
....-:I/" U .1O
1.2
...
• 4

o 0.4 0.8 1.2 U 2.0 2.4 10(.\) . Note : ForINPUT s ..itcting, set EN '" H
For ENABlES wil.clJing.seliN ooH

4/13

36

1- - - - - - - - - - - - - - - - - - - - - - - - - - - -