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ADP2389ACPZ-R7 数据表(PDF) 8 Page - Analog Devices

部件名 ADP2389ACPZ-R7
功能描述  18 V, 12 A Step-Down Regulator with Programmable Current Limit
PDF  23 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP2389ACPZ-R7 数据表(HTML) 8 Page - Analog Devices

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ADP2389/ADP2390
Data Sheet
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, VPVIN = VVIN = 12 V, VOUT = 1.8 V, L = 1 µH, COUT = 5 × 100 µF, fSW = 500 kHz, unless otherwise noted.
Figure 5. ADP2389 Efficiency at VPVIN = 12 V, fSW = 600 kHz
Figure 6. ADP2390 Efficiency at VPVIN = 12 V, fSW = 600 kHz
Figure 7. Shutdown Current (ISHDN) vs. Input Voltage
Figure 8. ADP2389 Efficiency at VPVIN = 12 V, fSW = 300 kHz
Figure 9. ADP2390 Efficiency at VPVIN = 12 V, fSW = 300 kHz
Figure 10. Quiescent Current (IQ) vs. Input Voltage
100
60
65
70
75
80
85
90
95
0
1
2
3
4
5
6
7
8
9
10
11
12
OUTPUT CURRENT (A)
VOUT = 1.0V
VOUT = 1.2V
VOUT = 1.5V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
VOUT = 5.0V
INDUCTOR:
744 333 0100
100
60
65
70
75
80
85
90
95
0.1
1
10
OUTPUT CURRENT (A)
VOUT = 1.2V
VOUT = 1.5V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
VOUT = 5.0V
INDUCTOR:
744 333 0100
16
0
2
4
6
8
10
12
14
4
6
8
10
12
14
16
18
INPUT VOLTAGE (V)
TJ = –40°C
TJ = +25°C
TJ = +125°C
100
60
65
70
75
80
85
90
95
0
1
2
3
4
5
6
7
8
9
10
11
12
OUTPUT CURRENT (A)
VOUT = 1.2V
VOUT = 1.0V
VOUT = 1.5V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
VOUT = 5.0V
INDUCTOR:
744 333 0220
100
60
65
70
75
80
85
90
95
0.1
1
10
OUTPUT CURRENT (A)
VOUT = 1.2V
VOUT = 1.0V
VOUT = 1.5V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
VOUT = 5.0V
INDUCTOR:
744 333 0220
1.25
1.00
1.05
1.10
1.15
1.20
4
6
8
10
12
14
16
18
INPUT VOLTAGE (V)
TJ = –40°C
TJ = +25°C
TJ = +125°C
Rev. 0 | Page 8 of 23



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