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ADP1850ACPZ-R7 数据表(PDF) 10 Page - Analog Devices

部件名 ADP1850ACPZ-R7
功能描述  Wide Range Input, Dual/Two-Phase, DC-to-DC Synchronous Buck Controller
PDF  32 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

ADP1850ACPZ-R7 数据表(HTML) 10 Page - Analog Devices

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ADP1850
Data Sheet
Rev. C | Page 10 of 32
CH1 20mV
B
W
CH4 5A Ω
M200µs
A CH4
11.5A
1
4
VIN = 12V
VOUT = 3.3V
8A TO 13A STEP LOAD
OUTPUT RESPONSE
Figure 10. Step Load Transient of Figure 44
2
CH3 1V
CH2 5V
CH1 5V
CH4 1A
Ω
M1ms
A CH1
2.4V
VIN = 12V
VOUT = 1.8V
OUTPUT PRECHARGED TO 1V
DH1
DL1
VOUT1
IL1
1
3
4
Figure 11. Soft Start into Precharged Output
CH3 1V
CH2 2V
CH1 10V
CH4 1V
M10ms
A CH2
1.52V
CSS = 100nF
VOUT (CH3)
SS (CH4)
EN
SW
1
2
3
4
Figure 12. Enable Start-Up Function
CH3 2V
CH2 2V
CH1 10V
CH4 2V
Ω
M10ms
A CH2
3.76V
SW1
PGOOD1
VCCO (CH3)
VOUT, PRELOADED (CH4)
1
2
3
4
Figure 13. Thermal Shutdown Waveform
–2.5
–2.0
–1.5
–1.0
–0.5
0
0.5
3
5
7
9
11
13
15
17
19
21
VIN (V)
REFERENCED AT VIN = 2.75V
600kHz
300kHz
850kHz
Figure 14. Change in fSW vs. VIN
–2.5
–2.0
–1.5
–1.0
–0.5
0
0.5
1.0
1.5
2.0
–40
–15
10
35
60
85
110
135
TEMPERATURE (°C)
VIN = 12V; REFERENCED AT 25°C
Figure 15. fSW vs. Temperature



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