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ADP1851ACPZ-R7 数据表(PDF) 9 Page - Analog Devices

部件名 ADP1851ACPZ-R7
功能描述  Wide Range Input, Synchronous, Step-Down DC-to-DC Controller
PDF  24 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

ADP1851ACPZ-R7 数据表(HTML) 9 Page - Analog Devices

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Data Sheet
ADP1851
Rev. B | Page 9 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
LOAD (A)
PULSE SKIP
FORCED PWM
Figure 4. Efficiency Plot
12 VIN to 1.8 VOUT, 600 kHz (see Figure 34 for Circuit)
M 100µs 50MS/s
20ns/pt
A CH4
13.4A
B
W
B
W
2
4
CH2 100mV
CH4 10A
LOAD CURRENT
VOUT_AC
Ω
Figure 5. 10 A to 20 A Load Step,
12 VIN to 1.8 VOUT, 600 kHz, Current Mode
CH1 5V
M 100µs 125MS/s
8.0ns/pt
A CH1
11.3V
2
1
CH2 100mV
B
W
B
W
VIN
VOUT_AC
Figure 6. 9 V to 15 V Line Step,
1.8 VOUT, 20 A Load, Current Mode
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
LOAD (A)
PULSE SKIP
FORCED PWM
Figure 7. Efficiency Plot
12 VIN to 3.3 VOUT, 300 kHz (see Figure 35 for Circuit)
CH2 200mV
M 100µs 5.0MS/s
200ns/pt
A CH4
14.2A
4
2
CH4 10A
Ω BW
B
W
LOAD
CURRENT
VOUT_AC
Figure 8. 10 A to 20 A Load Step,
12 VIN to 3.3 VOUT, 300 kHz, Voltage Mode
M 100µs 250MS/s
4ns/pt
A CH1
11.3V
B
W
2
CH1 5V
CH2 200mV
B
W
VIN
VOUT_AC
DL
1
Figure 9. 9 V to 15 V Line Step,
3.3 VOUT, 15 A Load, Voltage Mode



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