MAS9123 データシートの表示（PDF） - Micro Analog systems
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MAS9123 Datasheet PDF : 12 Pages
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DA9123.007
3 May 2004
TYPICAL PERFORMANCE CHARACTERISTICS
TA = +27°C, VIN = VOUT(NOM) + 1.0 V, IOUT = 50 mA, CIN = 1.0 µF, CL = 1.0 µF, CBYPASS = 10 nF, VCTRL = 2.0 V, unless otherwise specified.
MAS9123 Load regulation transient,
CL = 1 µF, VOUT = 2.8 V
15
10
5
0
-5
-10
-15
-20
-25
-30
Time (200 µs/div)
Figure 6. Typical load regulation transient. CL = 1 µF,
IOUT = 0.5 mA … 50 mA in 2 µs.
MAS9123 Load regulation transient,
CL = 470 nF, VOUT = 2.8 V
15
10
5
0
-5
-10
-15
-20
-25
-30
Time (200 µs/div)
Figure 7. Typical load regulation transient. CL = 470 nF,
IOUT = 0.5 mA … 50 mA in 2 µs.
MAS9123 Line transient response, VOUT = 2.8 V
0.8
8.8
0.4
7.8
0
6.8
-0.4
5.8
-0.8
4.8
-1.2
3.8
Time (10 µs/div)
∆Vout Vin
Figure 8. Line transient response. CL = 1 µF, IOUT = 10 mA.
75
70
65
60
55
50
45
40
0.1
MAS9123 PSRR vs. frequency
1
10
100
Frequency (kHz)
Cload = 1 µF Cload = 470 nF
1000
Figure 9. PSRR vs. frequency.
MAS9123 Noise spectral density
350
300
250
200
150
100
50
0
0.1
1
10
100
Frequency (kHz)
Figure 10. Noise spectral density vs. frequency.
MAS9123 Dropout voltage vs. load current
200
150
100
50
0
0
10
20
30
40
50
60
70
80
Load current (mA)
T = +27°C T = -40°C T = +85°C
Figure 11. Dropout voltage vs. load current.
7 (12)
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