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ADP2380AREZ-R7 数据表(PDF) 7 Page - Analog Devices

部件名 ADP2380AREZ-R7
功能描述  20 V, 4 A Synchronous Step-Down Regulator with Low-Side Driver
PDF  28 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP2380AREZ-R7 数据表(HTML) 7 Page - Analog Devices

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Data Sheet
ADP2380
Rev. 0 | Page 7 of 28
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25oC, VIN = 12 V, VOUT = 3.3 V, L = 4.7 µH, COUT = 2 × 100 µF, fSW = 500 kHz, unless otherwise noted.
100
50
55
60
65
70
75
80
85
90
95
0
4.0
OUTPUT CURRENT (A)
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
VOUT = 5V
INDUCTOR: FDVE1040-3R3M
MOSFET: FDS6298
1.0
2.0
3.5
2.5
1.5
0.5
3.0
Figure 4. Efficiency at VIN = 12 V, fSW = 500 kHz
4.0
1.0
2.0
3.5
2.5
1.5
0.5
3.0
100
50
55
60
65
70
75
80
85
90
95
0
OUTPUT CURRENT (A)
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
VOUT = 5V
INDUCTOR: FDVE1040-4R7M
MOSFET: FDS6298
Figure 5. Efficiency at VIN = 18 V, fSW = 500 kHz
90
100
110
120
130
140
150
160
4
6
8
10
12
14
16
18
20
INPUT VOLTAGE (V)
TJ = –40°C
TJ = +25°C
TJ = +125°C
Figure 6. Shutdown Current vs. VIN
4.0
1.0
2.0
3.5
2.5
1.5
0.5
3.0
100
50
55
60
65
70
75
80
85
90
95
0
OUTPUT CURRENT (A)
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
VOUT = 5V
INDUCTOR: FDVE1040-6R8M
MOSFET: FDS6298
Figure 7. Efficiency at VIN = 12 V, fSW = 250 kHz
4.0
1.0
2.0
3.5
2.5
1.5
0.5
3.0
100
50
55
60
65
70
75
80
85
90
95
0
OUTPUT CURRENT (A)
VOUT = 1.0V
VOUT = 1.2V
VOUT = 1.5V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
INDUCTOR: FDVE1040-1R5M
MOSFET: FDS6298
Figure 8. Efficiency at VIN = 5 V, fSW = 500 kHz
1.8
2.0
2.2
2.4
2.6
2.8
3.0
3.2
4
6
8
10
12
14
16
18
20
INPUT VOLTAGE (V)
TJ = –40°C
TJ = +25°C
TJ = +125°C
Figure 9. Quiescent Current vs. VIN



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