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IFX1763_15 Datasheet, PDF (22/31 Pages) Infineon Technologies AG – Wide Input Range Low Noise 500mA LDO
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Output Noise Spectral Density (ADJ) versus
Frequency (COUT = 10 µF, IOUT = 50 mA1))
101
COUT = 10 µF
IOUT = 50 mA
IFX1763
Typical Performance Characteristics
Output Noise Spectral Density (ADJ) versus
Frequency (COUT = 22 µF, IOUT = 50 mA1))
101
COUT = 22 µF
IOUT = 50 mA
100
100
10−1
10−1
CByp = 0 nF; ESR(COUT)=0
CByp = 10 nF; ESR(COUT)=0
10−2
CByp = 10 nF; ESR(COUT)=250mΩ
101
102
103
104
105
f [Hz]
Output Noise Spectral Density (3.3 V) versus
Frequency (COUT = 10 µF, IOUT = 50 mA1))
CByp = 0 nF; ESR(COUT)=0
CByp = 10 nF; ESR(COUT)=0
10−2
CByp = 10 nF; ESR(COUT)=250mΩ
101
102
103
104
105
f [Hz]
Output Noise Spectral Density (3.3 V) versus
Frequency (COUT = 22µF, IOUT = 50mA1))
101
101
COUT = 10 µF
IOUT = 50 mA
COUT = 22 µF
IOUT = 50 mA
100
100
10−1
10−1
CByp = 0 nF; ESR(COUT)=0
CByp = 10 nF; ESR(COUT)=0
10−2
CByp = 10 nF; ESR(COUT)=250mΩ
101
102
103
104
105
f [Hz]
CByp = 0 nF; ESR(COUT)=0
CByp = 10 nF; ESR(COUT)=0
10−2
CByp = 10 nF; ESR(COUT)=250mΩ
101
102
103
104
105
f [Hz]
1) Load condition 50mA is representing a worst case condition with regard to output voltage noise performance.
Data Sheet
22
Rev. 1.1, 2014-10-30
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