MAS9162AST1-T 查看數據表（PDF） - Micro Analog systems
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MAS9162AST1-T Datasheet PDF : 10 Pages
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DA9162.003
13 March 2003
TYPICAL PERFORMANCE CHARACTERISTICS
DUT = MAS9162AST2, VIN = 3.8 V, TA = +27°C, IOUT = 50 mA, CIN = 1.0 µF, CL = 1.0 µF, VCTRL = 2 V, unless otherwise specified.
MAS9162 Dropout voltage vs. load current
160
140
120
100
80
60
40
20
0
0
10
20
30
40
50
60
70
80
Load current (mA)
T = +85°C
T = +25°C
T= -40°C
Figure 2. Dropout voltage vs. load current and temperature.
MAS9162 PSRR vs. frequency
65
60
55
50
45
40
100
1000
10000
100000
Frequency (Hz)
Cload = 1 µF
Cload = 470 nF
1000000
Figure 3. PSRR vs. frequency. Signal source used:
CIN = 0 µF, RSOURCE = 50 Ω.
MAS9162 Noise spectral density
1400
1200
1000
800
600
400
200
0
100
1000
10000
Frequency (Hz)
100000
Figure 4. Output noise spectral density.
1000000
MAS9162 Line transient response
6
10
4
9
2
8
0
7
-2
6
-4
5
-6
4
-8
3
Time (50 µs/div)
∆Vout
Vin
Figure 5. Line transient response. Signal source used:
CIN = 0 µF, RSOURCE = 50 Ω, VIN = 3.8 V…4.8 V in 2 µs.
MAS9162 Start-up
3.2
2.8
2.4
2
1.6
1.2
0.8
0.4
0
Time (2 µs/div)
Vout
CTRL
Figure 6. Start-up.
MAS9162 Load transient response
10
200
0
160
-10
120
-20
80
-30
40
-40
0
Time (10 µs/div)
∆Vout
Iout
Figure 7. Load transient response. IOUT = 0…50 mA in 2 µs.
5 (10)
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