TPS7A39
ZHCSGP0A –JULY 2017–REVISED SEPTEMBER 2017
www.ti.com.cn
Typical Characteristics (接下页)
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)
2000
1600
1200
800
400
0
0
-400
-40èC
0èC
25èC
85èC
125èC
-800
-1200
-1600
-2000
-40èC
0èC
25èC
85èC
125èC
0
30
60
90
120
150
0
15
30
45
60
75
90 105 120 135 150
Output Current (mA)
Output Current (mA)
VOUTP = 1.188 V
VOUTN = –1.19 V
图 56. Positive Supply Current vs Output Current
图 57. Negative Supply Current vs Output Current
2
-40èC
0èC
25èC
85èC
125èC
1.5
1
0.5
0
-0.5
-1
-1.5
-2
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
Output Current (mA)
1
VOUTN = –1.19 V
图 58. Buffer Accuracy vs Buffer Current
18
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