
Page 8
May, 1997 TOKO, Inc.
TK113xxB
DEFINITION AND EXPLANATION OF TECHNICAL TERMS (CONT.)
CONTROL FUNCTION
SOT-23L
1
4
5
6
2
3
CNP
V
IN
SW
R c
If the control function is not used, connect the control terminal to ground
.
When the control function is used, the
control current can be reduced by inserting a series resistor (Rc) between the control terminal and V
IN
. The value of
this resitor should be determined from the graph below.
1
4
6
2
3
CNP
V
IN
SW
R c
SOT-89-5
CONTROL PIN VOLTAGE vs.
CURRENT
0
1
2
3
VCONT (V)
0
IC
10
20
30
40
50
4
5
VOUT
RC = 0
RC =100k