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IRF7811 Fiches technique(PDF) 7 Page - Analog Devices

No de pièce IRF7811
Description  Synchronous Buck Controller
Download  40 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

IRF7811 Fiches technique(HTML) 7 Page - Analog Devices

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Data Sheet
ADP1878/ADP1879
Rev. A | Page 7 of 40
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 4. Efficiency—300 kHz, VOUT = 0.8 V
Figure 5. Efficiency—300 kHz, VOUT = 1.8 V
Figure 6. Efficiency—300 kHz, VOUT = 7 V
Figure 7. Efficiency—600 kHz, VOUT = 0.8 V
Figure 8. Efficiency—600 kHz, VOUT = 1.8 V
Figure 9. Efficiency—600 kHz, VOUT = 5 V
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LOAD CURRENT (mA)
TA = 25°C
VOUT = 0.8V
fSW = 300kHz
WÜRTH INDUCTOR:
744325072, L = 0.72µH, DCR = 1.3mΩ
INFINEON FETs:
BSC042N03MS G (UPPER/LOWER)
VIN = 13V (PSM)
VIN = 16.5V (PSM)
VIN = 13V
VIN = 16.5V
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LOAD CURRENT (mA)
TA = 25°C
VOUT = 1.8V
fSW = 300kHz
WÜRTH INDUCTOR:
744325120, L = 1.2µH, DCR = 1.8mΩ
INFINEON FETs:
BSC042N03MS G (UPPER/LOWER)
VIN = 5V (PSM)
VIN = 13V (PSM)
VIN = 16.5V (PSM)
VIN = 13V
VIN = 16.5V
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100
1k
10k
100k
LOAD CURRENT (mA)
TA = 25°C
VOUT = 7V
fSW = 300kHz
WÜRTH INDUCTOR:
7443551200, L = 2.0µH, DCR = 2.6mΩ
INFINEON FETs:
BSC042N03MS G (UPPER/LOWER)
VIN = 13V (PSM)
VIN = 16.5V (PSM)
VIN = 13V
VIN = 16.5V
100
95
90
85
80
75
70
65
60
55
50
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40
35
30
25
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15
10
5
0
10
100
1k
10k
100k
LOAD CURRENT (mA)
TA = 25°C
VOUT = 0.8V
fSW = 600kHz
WÜRTH INDUCTOR:
744355147, L = 0.47µH, DCR = 0.67mΩ
INFINEON FETs:
BSC042N03MS G (UPPER/LOWER)
VIN = 13V (PSM)
VIN = 16.5V
(PSM)
VIN = 13V
VIN = 16.5V
100
95
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
5
0
10
100
1k
10k
100k
LOAD CURRENT (mA)
TA = 25°C
VOUT = 1.8V
fSW = 600kHz
WÜRTH INDUCTOR:
744325072, L = 0.72µH, DCR = 1.3mΩ
INFINEON FETs:
BSC042N03MS G (UPPER/LOWER)
VIN = 13V (PSM)
VIN = 16.5V (PSM)
VIN = 13V
VIN = 16.5V
100
95
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
5
0
10
100
1k
10k
100k
LOAD CURRENT (mA)
TA = 25°C
VOUT = 5V
fSW = 600kHz
WÜRTH INDUCTOR:
744318180, L = 1.4µH, DCR = 3.2mΩ
INFINEON FETs:
BSC042N03MS G (UPPER/LOWER)
VIN = 20V (PSM)
VIN = 13V (PSM)
VIN = 16.5V (PSM)
VIN = 20V
VIN = 16.5V


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