参数资料
型号: TK11231CMCL
厂商: TOKO INC
元件分类: 固定正电压单路输出LDO稳压器
英文描述: 3.1 V FIXED POSITIVE LDO REGULATOR, 0.37 V DROPOUT, PDSO6
封装: SOT-23, 6 PIN
文件页数: 21/22页
文件大小: 542K
代理商: TK11231CMCL
TOKO Inc.
IC Data Sheet
TK112xxC
GC3-H026
GC3-H026B
B
BPage
Page
Page 8
Output noise
Increase Cnp to decrease the noise. The recommended Cnp capacitance is 6800pF(682) ~ 0.22
F(224).
The amount of noise increases with the higher output voltages.
TK11230C Cnp vs. Noise Iout=30mA BPF=400Hz 80kHz
TK11230CM
Cin=10
F Iout=10mA
TK11230C Cnp vs Noise
Cnp(pF)
Noise(
Vrms)
0
50
100
150
200
250
300
1
10
100
1000
10000
100000
CL=0.22
F
CL=0.47
F
CL=1.0
F
CL=2.2
F
CL=10
F
Iout=30mA BPF:400
80kHz
CL=Tantal
CL=MLCC
TK11230C Iout vs Noise
35
40
45
50
55
60
65
70
75
80
85
90
95
0
50
100
150
200
250
300
Iout(mA)
Noise(
Vrms)
Cnp=10000pF BPF:400
80kHz
CL=
CL=Tantal
Tantal
CL=0.22uF
CL=0.47uF
CL=1.0uF
CL=2.2uF
CL=10uF
TK11230C Iout vs. Noise
35
40
45
50
55
60
65
70
75
80
85
90
95
0
50
100
150
200
250
300
Iout(mA)
Noise(
Vrms)
Cnp=10000pF BPF:400
80kHz
CL=
CL=MLCC
MLCC
CL=0.22uF
CL=0.47uF
CL=1.0uF
CL=2.2uF
CL=10uF
Noise Level(1/f)
0.01
0.1
1
10
100
1k
10k
100k
Frequency
(Hz)
Noise(
V/√Hz)
CL=0.22
F
F((((Ceramic)
Ceramic)
Cnp=0.01
F
Cnp=0.1
F
Cnp=1000pF
Noise
(
Vrms)
TK112xxC Vout vs Noise
10
20
30
40
50
60
70
80
90
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
Vout(V)
Iout=30mA Cnp=10000pF CL=0.22
F(MLCC)
BPF:400
80kHz
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