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ADP1883 Datasheet(PDF) 7 Page - Analog Devices

No. de pieza ADP1883
Descripción Electrónicos  Synchronous Current-Mode with Constant On-Time,PWM Buck Controller
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ADP1883 Datasheet(HTML) 7 Page - Analog Devices

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ADP1882/ADP1883
Rev. 0 | Page 7 of 40
TYPICAL PERFORMANCE CHARACTERISTICS
WURTH IND: 744355147, L = 0.47 µH, DCR: 0.80M
Ω
INFENION FETs: BSC042N03MS G (UPPER/LOWER)
TA = 25°C
30
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100
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100k
10k
1k
LOAD CURRENT (mA)
100
1k
10k
100k
LOAD CURRENT (mA)
VDD = 3.6V, VIN = 5.5V (PSM)
VDD = 5.5V, VIN = 5.5V (PSM)
VDD = 5.5V, VIN = 13V (PSM)
VDD = 3.6V, VIN = 16.5V (PSM)
VDD = 5.5V, VIN = 5.5V
VDD = 5.5V, VIN = 16.5V (PSM)
VDD = 5.5V,
VIN = 13V
(PSM)
VDD = 3.6V,
VIN = 13V
(PSM)
VDD = 5.5V, VIN = 5.5V (PSM)
VDD = 5.5V,
VIN = 13V (PSM)
VDD = 5.5V, VIN = 5.5V
VDD = 5.5V, VIN = 13V
VDD = 5.5V, VIN = 16.5V (PSM)
VDD = 5.5V, VIN = 16.5V
VDD = 3.6V, VIN = 5.5V
WURTH INDUCTOR: 744355072, L = 0.72µH, DCR: 1.65m
Ω
INFINEON FETS: BSC042N03MS G (UPPER/LOWER)
RON: 5.4mΩ
TA = 25°C
Figure 4. Efficiency—300 kHz, VOUT = 0.8 V
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
Figure 7. Efficiency—600 kHz, VOUT = 0.8 V
25
30
35
40
45
50
55
60
65
70
75
80
85
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95
100
100
1k
10k
100k
LOAD CURRENT (mA)
100
1k
10k
100k
LOAD CURRENT (mA)
WURTH INDUCTOR: 7443252100, L = 1.0µH, DCR: 3.3m
Ω
INFINEON MOSFETS: BSC042N03MS G (UPPER/LOWER)
RON: 5.4mΩ
TA = 25°C
VDD = 5.5V, VIN = 5.5V (PSM)
VDD = 5.5V, VIN = 5.5V
VDD = 5.5V, VIN = 16.5V (PSM)
VDD = 5.5V, VIN = 16.5V
VDD = 5.5V,
VIN = 13V
VDD = 5.5V, VIN = 13V (PSM)
VDD = 3.6V, VIN = 5.5V
Figure 5. Efficiency—300 kHz, VOUT = 1.8 V
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
VDD = 5.5V, VIN = 5.5V
VDD = 3.6V, VIN = 5.5V
VDD = 5.5V, VIN = 5.5V (PSM)
VDD = 5.5V, VIN = 16.5V (PSM)
VDD = 5.5V, VIN = 13V (PSM)
VDD = 5.5V, VIN = 16.5V
VDD = 5.5V, VIN = 13V
WURTH INDUCTOR: 744325072, L = 0.72µH, DCR: 1.65m
Ω
INFINEON FETS: BSC042N03MS G (UPPER/LOWER)
RON: 5.4mΩ
TA = 25°C
Figure 8. Efficiency—600 kHz, VOUT = 1.8 V
100
1k
10k
100k
LOAD CURRENT (mA)
TA = 25°C
VOUT = 1.8V
FSW = 300kHz
WURTH INDUCTOR:
744355200, L = 2µH, DCR: 2.5m
Ω
INFINEON MOSFETS:
BSC042N03MS G (UPPER/LOWER)
VDD = 5.5V, VIN = 16.5V (PSM)
VDD = 2.7V, VIN = 16.5V (PSM)
VDD = 5.5V, VIN = 16.5V
VDD = 3.6V, VIN = 16.5V
VDD = 2.7V, VIN = 13V
VDD = 3.6V, VIN = 13V
VDD = 5.5V, VIN = 13V
50
55
60
65
70
75
80
85
90
95
100
100
1k
10k
100k
VDD = 5.5V/VIN = 13V (PSM)
VDD = 5.5V/VIN = 13V
VDD = 3.6V/VIN = 13V
VDD = 5.5V/VIN = 16.5V
TA = 25°C
VOUT = 5V, VIN = 13V
FSW = 600kHz
WURTH INDUCTOR:
7443552100, L = 1.0µH, DCR: 3.3m
Ω
INFINEON MOSFETS:
BSC042N03MS G (UPPER/LOWER)
Figure 6. Efficiency—300 kHz, VOUT = 7 V
LOAD CURRENT (mA)
Figure 9. Efficiency—600 kHz, VOUT = 5 V


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