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ADP1864 Datasheet(PDF) 6 Page - Analog Devices

No. de Pieza. ADP1864
Descripción  Constant Frequency Current-Mode Step-Down DC/DC Controller in TSOT
Descarga  16 Pages
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Fabricante  AD [Analog Devices]
Página de inicio  http://www.analog.com
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ADP1864 Datasheet(HTML) 6 Page - Analog Devices

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ADP1864
Rev. 0 | Page 6 of 16
TYPICAL PERFORMANCE CHARACTERISTICS
0.81
0.805
0.80
0.795
0.79
–40
–20
0
20
40
60
100
80
120
TEMPERATURE (
°C)
VIN = 5V
Figure 4. Reference Voltage vs. Temperature
600
590
580
570
550
560
–40
–20
0
20
40
60
100
80
120
TEMPERATURE (
°C)
VIN = 5V
Figure 5. Normalized Oscillator Frequency vs. Temperature
3.1
2.7
–40
–20
0
20
40
60
100
80
120
TEMPERATURE (
°C)
3.05
3.0
2.95
2.9
2.85
2.8
2.75
UVLO FALL
UVLO RISE
Figure 6. UVLO Voltage vs. Temperature (VIN Rising and VIN Falling)
0.8
0
–40
–20
0
20
40
60
100
80
120
TEMPERATURE (
°C)
0.7
0.6
0.5
0.4
0.3
0.2
0.1
COMP FALLING
COMP RISING
Figure 7. COMP Shutdown Threshold vs. Temperature
2.52
2.40
0
3.5
LOAD (A)
2.50
2.48
2.46
2.44
2.42
0.5
1.0
1.5
2.0
2.5
3.0
Figure 8. Typical Load Regulation (VIN = 5 V; See Figure 1)
2.52
2.50
2.505
2.51
2.515
3
5
7
9
11
13
VIN (V)
Figure 9. Typical Line Regulation vs. VIN (ILOAD = 1 A; See Figure 19)


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