TPS7A39
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ZHCSGP0A –JULY 2017–REVISED SEPTEMBER 2017
6.7 Typical Characteristics
at TJ = 25°C, VINP = VOUTP(nom) + 1.0 V or VIN = 3.3 V (whichever is greater), VINN = VOUTN(nom) – 1 V or –3.3 V (whichever is
less), VEN = VIN, IOUT = 1 mA, CIN = 10-μF ceramic, COUT = 10-μF ceramic, and CFFP = CFFN = CNR/SS = 10 nF (unless otherwise
noted)
100
80
60
40
20
0
100
80
60
40
20
0
VIN = 5.5 V
VIN = 5.6 V
VIN = 5.7 V
VIN = 5.8 V
VIN = 5.9 V
VIN = 6.0 V
VINN = -5.5 V
VINN = -5.6 V
VINN = -5.7 V
VINN = -5.8 V
VINN = -5.9 V
VINN = -6.0 V
10
100
1k
10k
100k
1M
10M
10
100
1k
10k
100k
1M
10M
Frequency (Hz)
Frequency (Hz)
VOUTP = 5 V, IOUTP = 150 mA, VOUTN = –5 V, IOUTN = 0 mA,
CNR/SS = CFFx = 10 nF
VOUTP = 5 V, IOUTP = 0 mA, VOUTN = –5 V, IOUTN = 150 mA,
CNR/SS = CFFx = 10 nF
图 2. Positive PSRR vs Frequency and VINP
图 3. Negative PSRR vs Frequency and VINN
100
100
80
60
40
80
60
40
IOUT = 1 mA
IOUT = 1 mA
IOUT = 10 mA
IOUT = 50 mA
IOUT = 10 mA
IOUT = 50 mA
20
20
IOUT = 100 mA
IOUT = 100 mA
IOUT = 150 mA
0
IOUT = 150 mA
0
10
100
1k
10k
100k
1M
10M
10
100
1k
10k
100k
1M
10M
Frequency (Hz)
Frequency (Hz)
VOUTP = 5 V, VINP = VEN = 6 V, VOUTN = –5 V, IOUTN = 0 mA,
CNR/SS = CFFx = 10 nF
VOUTP = 5 V, IOUTP = 0 mA, VINN = –6 V, VOUTN = –5 V,
CNR/SS = CFFx = 10 nF
图 4. Positive PSRR vs Frequency and IOUTP
图 5. Negative PSRR vs Frequency and IOUTN
100
100
80
60
80
60
40
40
COUT = 4.7 mF
COUT = 4.7 mF
20
20
COUT = 10 mF
COUT = 10 mF
COUT = 22 mF
COUT = 47 mF
COUT = 22 mF
COUT = 47 mF
0
0
10
100
1k
10k
100k
1M
10M
10
100
1k
10k
100k
1M
10M
Frequency (Hz)
Frequency (Hz)
VOUTP = 5 V, VINP = VEN = 6 V, VOUTN = –5 V, IOUTN = 0 mA,
CNR/SS = CFFx = 10 nF
VOUTP = 5 V, IOUTP = 0 mA, VINN = –6 V, VOUTN = –5 V,
CNR/SS = CFFx = 10 nF, COUTP = 10 µF
图 6. Positive PSRR vs Frequency and COUTP
图 7. Negative PSRR vs Frequency and COUTN
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