ADM666AAN Просмотр технического описания (PDF) - Analog Devices
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ADM666AAN Datasheet PDF : 9 Pages
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+85°C. The resistor value is calculated as R = 4/0.1 = 40 Ω. A
resistor power rating of 400 mW or greater may be used.
Bypass Capacitors
The high frequency performance of the ADM663A/ADM666A
may be improved by decoupling the ouput using a filter capaci-
tor. A capacitor of 0.1 µF is suitable.
ADM663A/ADM666A
An input capacitor helps reduce noise, improves dynamic per-
formance and reduces the input dV/dt at the regulator input. A
suitable input capacitor is 0.1 µF or greater.
Typical Performance Characteristics
80
VINDC = +9V
VIN p-p = +2V
VOUTDC = +5V
60
TA = +25°C
40
20
0
0.01
0.1
1
10
100
FREQUENCY – Hz
1000 10000
Figure 10. Power Supply Rejection Ratio vs. Frequency
2.0
1.8
VIN = +2V
TA = +25°C
1.6
1.4
1.2
1.0
0.8
0.6
VIN = +9V
0.4
VIN = +15V
0.2
0
0 2 4 6 8 10 12 14 16 18 20
IOUT1 – mA
Figure 11. VOUT1 Input-Output Differential vs.
Output Current
12
TA = +25°C
10
8
VOUT = +5V
6
VOUT = +3.3V
4
2
0
2
4
6
8
10
12
14
16
VIN – Volts
Figure 12. Quiescent Current vs. Input Voltage
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
VIN = +2V
VIN = +15V
VIN = +9V
10
20
30
IOUT2 – mA
TA = +25°C
40
50
Figure 13. VOUT2 Input-Output Differential vs.
Output Current
REV. 0
–7–
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