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ADP5071 Fiches technique(PDF) 7 Page - Analog Devices

No de pièce ADP5071
Description  800 mA, DC-to-DC Inverting Regulator
PDF  19 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

ADP5071 Fiches technique(HTML) 7 Page - Analog Devices

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Data Sheet
ADP5075
Rev. B | Page 7 of 19
TYPICAL PERFORMANCE CHARACTERISTICS
Typical performance characteristics are generated using the standard bill of materials for each input/output combination listed in Table 9.
0
50
100
150
200
250
300
350
400
450
500
–40
–35
–30
–25
–20
–15
–10
–5
0
VOUT (V)
VIN = 3.3V, L = 6.8µH, DIODE = DFLS240L
VIN = 3.3V, L = 10µH, DIODE = DFLS240
VIN = 5.0V, L = 10µH, DIODE = DFLS240
VIN = 5.0V, L = 15µH, DIODE = DFLS240
VIN = 12.0V, L = 15µH, DIODE = DFLS240L
VIN = 12.0V, L = 22µH, DIODE = DFLS240
VIN = 15.0V, L = 22µH, DIODE = DFLS240L
VIN = 15.0V, L = 22µH, DIODE = DFLS240
Figure 3. Maximum Output Current, fSW = 1.2 MHz, TA = 25°C, Based on
Target of 70% ILIM
0
50
100
150
200
250
300
350
400
450
500
–40
–35
–30
–25
–20
–15
–10
–5
0
VOUT (V)
VIN = 3.3V, L = 3.3µH, DIODE = DFLS240L
VIN = 3.3V, L = 5.6µH, DIODE = DFLS240
VIN = 5.0V, L = 4.7µH, DIODE = DFLS240L
VIN = 5.0V, L = 6.8µH, DIODE = DFLS240
VIN = 12.0V, L = 8.2µH, DIODE = DFLS240L
VIN = 12.0V, L = 15.0µH, DIODE = DFLS240
VIN = 15.0V, L = 10.0µH, DIODE = DFLS240L
VIN = 15.0V, L = 15.0µH, DIODE = DFLS240
Figure 4. Maximum Output Current, fSW = 2.4 MHz, TA = 25°C, Based on
Target of 70% ILIM
0
10
20
30
40
50
60
70
80
90
0.001
0.01
0.1
1
CURRENT LOAD (A)
1.2MHz
2.4MHz
Figure 5. Efficiency vs. Current Load, VIN = 3.3 V, VNEG = −3.3 V, TA = 25°C
0
10
20
30
40
50
60
70
80
90
0.001
0.01
0.1
1
CURRENT LOAD (A)
VIN = 3.3V, 1.2MHz
VIN = 3.3V, 2.4MHz
VIN = 12.0V, 1.2MHz
VIN = 12.3V, 2.4MHz
Figure 6. Efficiency vs. Current Load, VNEG = −5 V, TA = 25°C
0
10
20
30
40
50
60
70
80
100
90
0.001
0.01
0.1
1
CURRENT LOAD (A)
1.2MHz
2.4MHz
Figure 7. Efficiency vs. Current Load, VIN = 12 V, VNEG = −15 V, TA = 25°C
0
10
20
30
40
50
60
70
80
0.001
0.01
0.1
CURRENT LOAD (A)
1.2MHz
2.4MHz
Figure 8. Efficiency vs. Current Load, VIN = 5 V, VNEG = −30 V, TA = 25°C



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