TK11250C Toko America, TK11250C Datasheet - Page 9

• Manufacturer Part Number: TK11250C
• Description: (TK112xxC) LDO Regulator
• Manufacturer: Toko America

TOKO Inc.
Ripple rejection
-100
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.
-10
-20
-30
-40
-50
-60
-70
-80
-90
R.R(dB)
0
0
Cnp=0.01 F
CL=0.22 F （Ceramic)
Vin=5.0V
Vripple=500mVp-p
Freq=1kHz
Freq=400Hz
50
CL=1uF (MLCC)
Ripple Rejection vs. Iout
CL=1 uF (Tantal)
CL=0.22uF (MLCC)
100
Iout(mA)
150
200
CL=0.22 uF (Tantal)
250
IC Data Sheet
GC3-H026 A
B : CL=0.22uF ( Tantal)
300
A : CL=10uF ( Tantal)
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
R.R (dB)
0
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
Vin=5.0V Vout=3.0V Iout=10mA
VR=500mVp-p f=100
Ripple Rejection at Low Vin
Vin-Vout_Typ(V)
Cin:None
Freq:1kHz
Cnp:0.01 F CL:0.22 F (Ceramic)
Vin
Vcont
GND
B : Cref=0.001uF
112XX
1MHz Cnp=0.1uF
A : Cref=0.1uF
Vripple=100mVp-p
Cnp
0.1 F
TK112xxC
Vout
Page 9
CL