TK112xxB
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
TA = 25 °C, unless otherwise specified.
MAXIMUM OUTPUT CURRENT
LINE VOLTAGE STEP RESPONSE
V +2 V
OUTPUT VOLTAGE VARIATION
UPPER
OUT
V
= 2.7 V
OUT
V
+1 V
280
270
OUT
V
= 2 to 2.6 V
OUT
10
0
V
= 2 V
OUT
4 V
C
= 0.001 µF, C = .22 µF
L
N
260
250
240
3 V
-10
-20
-30
UNDER
V
= 1.9 V
5 V
OUT
V
= 1.3 V
50
C
= 0.01 µF, C = 2.2 µF
L
OUT
N
-50
0
100
-50
0
50
100
TIME (50 µs/DIV)
T
(°C)
T (°C)
A
A
NOISE LEVEL VS.
C
NOISE SPECTRUM
N
LOAD CURRENT STEP RESPONSE
0
250
200
150
100 mA
V
= 3 V
60 mA
OUT
I
OUT =
50 mA
C
= 2.2 µF
L
C
= 3.3µF
= 10 µF
-50
L
C
= 0.01 F, C = 2.2 µF
L
C
= 3.3 µF, C = NONE
N
N
L
C
L
100
50
0
C
= 3.3 µF, C = 0.1 µF
N
L
SPECTRUM ANALYZER BACK-
GROUND NOISE
-100
C
= 0.1 F, C = 10 µF
L
N
0
500 k
f (Hz)
1 M
1 PF 10
100 1000 .01 µF .1
TIME (50 µs/DIV)
C
N
RIPPLE REJECTION
= 30 mA
0
I
OUT
-20
-40
C
= 0.01 µF
N
C
= 0.1 µF
N
-60
-80
-100
0.01
0.1
1
10
100
f (kHz)
October 1999 TOKO, Inc.
Page 9
TOKO [ TOKO, INC ]
