TK712xx
TEST CIRCUIT
I
IN
V
IN
V
OUT
+
+
V
C
I
V
OUT
IN
L
OUT
NOISE
BYPASS
GND
C
N
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25 ° C, unless otherwise specified.
OUTPUT VOLTAGE VS.
INPUT VOLTAGE
GROUND CURRENT VS.
AMBIENT TEMPERATURE
DROPOUT VOLTAGE VS.
AMBIENT TEMPERATURE
500
400
5
4
50
30
I
= 60 mA
OUT
10
3
2
300
200
I
= 60 mA
OUT
I
= 30 mA
OUT
-10
-30
-50
1
0
100
0
I
= 30 mA
OUT
0
10
20
-50
0
50
100
-50
0
50
100
V
(V)
T
A
(°C)
T (°C)
A
IN
NOISE VOLTAGE VS.
BYPASS CAPACITOR
RIPPLE REJECTION VS.
FREQUENCY
NOISE SPECTRUM
= 30 mA
-50
0
C
C
= 1.0 µF
= 3.3 µF
I
= 30 mA
= 5 V
L
L
OUT
300
I
OUT
C
= 1 µF
L
V
200
150
OUT
C
N
C
L
= 0.01 µF
= 1 µF
C
= 10 µF
= 10 µF
L
-100
-150
-50
C
L
C
= 10 µF
L
100
INSTRUMENT NOISE FLOOR
V
= 2 V
OUT
50
0
-100
1 pF
100 pF
C
0.01 µF
0
500
1000
100
1 k
10 k
100 k
10 pF
1000 pF
.1 µF
FREQUENCY (kHz)
FREQUENCY (Hz)
N
January 1999 TOKO, Inc.
Page 7
TOKO [ TOKO, INC ]
