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AGQ200B-48S3V3B-6L

P1-P3P4-P6P7-P9P10-P12P13-P14
AGQ200B-48S3V3 DC-DC Converter 7/14
http://www.emersonnetworkpower.com.cn
Figure 9 Output voltage startup by remote ON,
(5ms/div), see Figure 11 for test configuration;
CH1-remote ON (5V/div); CH2-output voltage (1V/div)
Figure 10 Output voltage shutdown by remote OFF,
(5ms/div), see Figure 11 for test configuration;
CH1-remote OFF voltage (5V/div); CH2-output voltage
(1V/div)
AGQ200B-48S3V3 DC-DC Converter 8/14
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Application Note
Typical Application
AGQ200
EMI Filter
Fuse
Vdc
In+
In-
Out+
Out-
C1 C2
Vin+
CNT
Vin-
Vo+
S+
Trim
S-
Vo-
C3 C4
Load
Figure 11 Typical application
C1: 100µF/100V electrolytic capacitor, P/N: UVZ2A101MPD (Nichicon) or equivalent caps
C2: 1µF/100V X7R ceramic capacitor
C3: 1µF/25V X7R ceramic capacitor
C4: 470µF/25V electrolytic capacitor, P/N: UPM1E471MPD (Nichicon) or equivalent caps
External fast blow fuse with a rating of 15A should be used in the application.
If the load is far from the unit, connect S+ and S- to the terminal of the load respectively to
compensate the voltage drop on the transmission line.
Remote ON/OFF
Either positive or negative remote ON/OFF logic is available in AGQ200B-48S3V3.
The following figure is the detailed internal circuit and reference in AGQ200B-48S3V3.
PWM
controller
PWM
controller
UVLO
12V
19.7k
4.7k
Remote
ON/OFF
Negative logic Positive logic
12V +Vin
15k 85.6k
6.8k
15k
Remote
ON/OFF
Figure 12 Remote ON/OFF internal diagram
AGQ200B-48S3V3 DC-DC Converter 9/14
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Trim Characteristics
Connecting an external resistor between Trim pin and V
o
- pin will decrease the output voltage.
While connecting it between Trim and V
o
+ will increase the output voltage. The following equations
determine the external resistance to obtain the trimmed output voltage.
)(2.10
510
Ω−
∆
=
−
kR
downtrim
(
)
)(2.10
510
225
.
1
1001.5
Ω−
∆
−
∆×
∆+××
=
−
k
V
R
nom
uptrim
△=(V
o
-V
nom
)×100/V
nom
nom
V
: Nominal output voltage
For example, to get 3.63V output, the trimming resistor is
(
)
)(9.892.10
3.3/100)3.363.3(
510
3.3/100)3.363.3(225.1
3.3/100)3.363.3(1003.31.5
Ω=−
×−
−
×−×
×
−
+
×
×
=
−
kR
uptrim
The output voltage can also be trimmed by potential applied at the Trim pin.
65.1347.1 +=
trimo
VV
Where
trim
V
is the potential applied at the Trim pin, and
o
V
is the desired output voltage.
When trimming up, the output current should be decreased accordingly so as not to exceed the
maximum output power.
Load
Cout
R
trim_up
Vo+
S+
Trim
S-
Vo-
Load
Vo+
S+
Trim
S-
Vo-
Cout
R
trim_down
Figure 13 Trim up Figure 14 Trim down
P1-P3P4-P6P7-P9P10-P12P13-P14

AGQ200B-48S3V3B-6L

Mfr. #:
Buy AGQ200B-48S3V3B-6L
Manufacturer:
Artesyn Embedded Technologies
Description:
Isolated DC/DC Converters 132W 3.3V@40A QtrBrk BP POS/PIN LEN 3.8mm
Lifecycle:
New from this manufacturer.
Delivery:
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