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DC2641A 数据表(PDF) 5 Page - Analog Devices

部件名 DC2641A
功能描述  High Input Voltage Synchronous Buck Converter
PDF  10 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

DC2641A 数据表(HTML) 5 Page - Analog Devices

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dc2641af
DEMO MANUAL DC2641A
EXTVCC BIAS SUPPLY
By default, the DC2641A EXTVCC turret is tied to the 12V
VOUT.
To power the EXTVCC from on-board bias supply:
1. Leave the JP7 OPEN. This step disconnects the EXTVCC
from VOUT.
2. Keep the JP8 at the “ON” position. The on-board BIAS
supply output voltage is 12V.
Alternatively, EXTVCC can also be powered by an external
power supply:
1. Leave the JP7 OPEN.
2. Keep the JP8 at the “OFF” position.
3. Apply a DC voltage (<14V) between the EXTVCC and
GND turret, after the input voltage is established.
Ensure that EXTVCC ≤ VIN.
60
65
70
75
80
85
90
95
100
0
1
2
3
4
5
6
7
8
9
10
IOUT (A)
DC2641A F03
VIN = 100V
VIN = 72V
VIN = 48V
VIN = 16V
Figure 3. DC2641A VOUT Typical Efficiency vs Load Current



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