ADM8828 查看數據表（PDF） - Analog Devices
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ADM8828 Datasheet PDF : 6 Pages
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Typical Performance Characteristics–ADM8828/ADM8829
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
SUPPLY VOLTAGE – V
Figure 2. Power Supply Current vs. Voltage
60
IL = 5mA
50
OUTPUT VOLTAGE RIPPLE
@ VIN = 4.75V
40
30
OUTPUT VOLTAGE RIPPLE
@ VIN = 1.9V
20
OUTPUT VOLTAGE RIPPLE
10
@ VIN = 3.15V
0
0.47
1
2.2
3.3
CAPACITANCE – F
Figure 5. Output Voltage Ripple vs. Capacitance
35
30
25
20
15
10
5
0
1.5
2
2.5
3
3.5
4
4.5
5
5.5
SUPPLY VOLTAGE – V
Figure 3. Output Source Resistance vs. Supply Voltage
350
300
OUTPUT VOLTAGE RIPPLE
@ VIN = 4.75V, VOUT = –4.0V
250
200
OUTPUT VOLTAGE RIPPLE
@ VIN = 3.15V, VOUT = –2.5V
150
100
50
OUTPUT VOLTAGE RIPPLE
@ VIN = 1.9V, VOUT = –1.5V
0
0.47
1
2.2
3.3
CAPACITANCE – F
Figure 6. Output Voltage Ripple vs. Capacitance
20
18
OUTPUT CURRENT @ VIN = 4.75V
16
14
12
OUTPUT CURRENT @ VIN = 3.15V
10
8
6
OUTPUT CURRENT @ VIN = 1.9V
4
2
0
0.47
1
2.2
3.3
CAPACITANCE – F
Figure 4. Output Current vs. Capacitance
0
–0.5
–1
OUTPUT VOLTAGE @ VIN = 2.0V
–1.5
–2
–2.5
OUTPUT VOLTAGE @ VIN = 3.3V
–3
–3.5
–4
–4.5
OUTPUT VOLTAGE @ VIN = 5.0V
–5
0
5 10 15 20 25 30 35 40 45
OUTPUT CURRENT – mA
Figure 7. Output Voltage vs. Output Current
REV. A
–3–
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