AAT3190 データシートの表示（PDF） - Advanced Analogic Technologies
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AAT3190 Datasheet PDF : 16 Pages
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AAT3190
Positive/Negative Charge Pump for Voltage Bias
Typical Characteristics
Positive Output Efficiency vs. Load Current
(VIN = 5.0V)
80
VPOS = 12.3V
70
60
85°C
25°C
50
40
30
20
0
10
20
30
40
IPOS (mA)
Negative Output Efficiency vs. Load Current
(VIN = 5.0V)
80
85°C
70
25°C
60
50
40
30
VNEG = -7.3V
20
0
10
20
30
40
INEG (mA)
VPOS Load Transient
250
20
200
10
150
0
100
-10
50
-20
0
-30
-50
-40
-100
-50
-150
-60
Time (50µs/div)
VNEG Load Transient
250
20
200
10
150
0
100
-10
50
-20
0
-30
-50
-40
-100
-50
-150
-60
Time (50µs/div)
AAT3190 Power-Up Sequence
20
4
Enable
16
2
12
0
8 VPOS
-2
4
-4
0
-6
VNEG
-4
-8
-8
-10
-12
-12
Time (500µs/div)
AAT3190-1 Power-Up Sequence
20
4
Enable
16
2
12
0
8
-2
VPOS
4
-4
0
-6
-4 VNEG
-8
-8
-10
-12
-12
Time (500µs/div)
6
3190.2006.01.1.2
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