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