TK115xx
TYPICAL PERFORMANCE CHARACTERISTICS
COMMON CHARACTERISTICS
RIPPLE REJECTION vs
FREQUENCY
0
V
IN
= V +1.5 V
O
T
A
= 25
°C
unless otherwise specified
TEST CIRCUIT 2
IN
4.5V
TK115xx
S
RIPPLE REJECTION (dB)
+
OUT
4.7 mF
I
O
= 5 mA
–50
I
O
= 0 mA
TEST CIRCUIT 2
S
KT115xx • TC02
RIPPLE REJECTION TEST CIRCUIT
–100
0.100
1
10
100
FREQUENCY (kHz)
TK115xx • TPC74
LINE
TRANSIENT RESPONSE
LOAD TRANSIENT RESPONSE
V
IN
= V +1 V
O
275 µV
NOISE LEVEL vs
FEEDBACK CAPACITOR
I
O
= 60 mA
LOW PASS FIL = 100 kHz
100 mV/DIV
50 mV/DIV
V
O
200 µV
TK11580
V
O
V
NOISE
100 µV
TEST CIRCUIT 3
1 V/DIV
V
IN
50 mA/DIV
TK11520
V
IN
(OM) = V +1 V
O
5 µs/DIV
TK115xx • TPC71
I
O
5 µs/DIV
TK115xx • TPC72
0
1 pF
10 pF
100 pF 1000 pF .01 µF
C
F B
0.1 µF
TK115xx • TPC97
TURN ON
TRANSIENT RESPONSE
5
CONTROL PIN CHARACTERISTICS
+100
V
O
TEST CIRCUIT 3
V
IN
1
2
8
7
6
5
C
FB
S
S
5
I
O
= 10 mA
4
I
ON/0FF
I
O
= 100 mA
V
O
4.7mF
I
O
+
V
O
(t) (V)
V
O
(V)
3
IS=Vcont,HC
0
3
4
0
IS=Vcont2,LC
V
SW
V
SW
= V – V
ON/OFF
IN
0
1
V (t)
SW
I
ON/0FF
2
t (50 µs/DIV)
TK115xx ¥ TPC73
0
1
2
3
V
ON/OFF
; -V
ON/OFF
4
–100
5
NOISE LEVEL TEST CIRCUIT
TK115xx • TPC75
Page 12
10-15-94
February, 1995 TOKO, Inc.
TOKO [ TOKO, INC ]
