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參數(shù)資料
| 型號： | TK11249CUCB |
| 廠商： | TOKO INC |
| 元件分類： | 固定正電壓單路輸出LDO穩(wěn)壓器 |
| 英文描述： | 4.9 V FIXED POSITIVE LDO REGULATOR, 0.37 V DROPOUT, PDSO6 |
| 封裝： | SOT-89, 6-PIN |
| 文件頁數(shù)： | 22/22頁 |
| 文件大小： | 542K |
| 代理商： | TK11249CUCB |
TOKO Inc.
IC Data Sheet
TK112xxC
GC3-H026
GC3-H026B
B
BPage
Page
Page 9
Ripple rejection
The ripple rejection characteristic depends on the characteristic and the capacitance value of the capacitor
connected to the output side. The RR characteristic of 50KHz or more varies greatly with the capacitor on the
output side and PCB pattern. If necessary, please confirm stability while operating.
CL
GND
112XX
Vout
Vin
Cnp
0.1
F
Vcont
CL=1
CL=1 uF (
uF (
uF (Tantal)
Tantal)
CL=1uF (MLCC)
CL=0.22uF (MLCC)
CL=0.22
CL=0.22 uF (
uF (
uF (Tantal)
Tantal)
A : Cref=0.1uF
B : Cref=0.001uF
Ripple Rejection vs. Iout
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
50
100
150
200
250
300
Iout(mA)
R.R(dB)
Cnp=0.01
F
CL=0.22
F（Ceramic)
Vin=5.0V
Vripple=500mVp-p
Freq=1kHz
Freq=400Hz
Ripple Rejection at Low Vin
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
Vin-Vout_Typ(V)
R.R (dB)
Cin:None
Vripple=100mVp-p
Freq:1kHz
Cnp:0.01
F CL:0.22F (Ceramic)
Vin=5.0V Vout=3.0V Iout=10mA
VR=500mVp-p f=100
1MHz Cnp=0.1uF
A : CL=10uF (
A : CL=10uF (Tantal)
Tantal)
B : CL=0.22uF (
B : CL=0.22uF (Tantal)
Tantal)
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