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