TK11250CM Toko America, TK11250CM Datasheet - Page 8

• Manufacturer Part Number: TK11250CM
• Description: (TK112xxCM) Voltage Regulator
• Manufacturer: Toko America

OUTPUT NOISE
TK112xxCM
Page 8
200
300
250
150
100
95
90
85
50
45
40
35
80
75
70
65
60
55
50
0
0
1
50
TK11230C I OUT vs. NOISE
CL = MLCC
CL = TANTALUM
100
10
I OUT (mA)
150
TK11230C C N vs. NOISE
CN = 10000 pF
BPF: 400 ~ 80 kHz
V IN
TYPICAL PERFORMANCE CHARACTERISTICS
200 250
100
I OUT = 30 mA
BPF:400 ~ 80 kHz
CL = 0.22 F
CL = 0.47 F
CL = 1.0 F
CL = 2.2 F
CL = 10 F
TK11230 CN vs. NOISE I
CL = MLCC
C N (pF)
V CONT
A
300
I IN
1K
C IN = 0.1 µF
T
A
95
90
85
50
45
40
35
80
75
70
65
60
55
I CONT
= 25 °C, unless otherwise specified.
A
0
10K
CL = TANTALUM
CL = 0.22 F
CL = 0.47 F
CL = 1.0 F
CL = 2.2 F
CL = 10 F
50
TK11230C I OUT vs. NOISE
TEST CIRCUIT
V IN
100
OUT
CNTL
100K
I OUT (mA)
= 30 mA BPF = 400 Hz ~ 80 kHz
150
GND
GND
CN = 10000 pF
BPF: 400 ~ 80 kHz
200 250
V OUT
CL = 0.22 F
CL = 0.47 F
CL = 1.0 F
CL = 2.2 F
CL = 10 F
BYPASS
C N = 0.1 µF
NOISE
300
C L = 0.22 µF
( C L = 1.0 µF)
0.01
0.1
10
1
10
C IN = 10 F I OUT = 10 mA
CL = 0.22 F (MLCC)
90
10
70
60
50
40
30
20
80
I OUT
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
C N = 0.1 F
100
TK112xxC V OUT vs. NOISE
NOISE LEVEL (1/f)
CL = 0.22 F (MLCC)
C N = 10000 pF
FREQUENCY (Hz)
I OUT = 30 mA
January 2002 TOKO, Inc.
BPF: 400 ~ 80 kHz
1K
V OUT (V)
C N = 0.01 F
C N = 1000 pF
10K
100K