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參數(shù)資料
| 型號(hào)： | F48P24A-V12-19 |
| 廠商： | Vicor Corporation |
| 元件分類： | DC/DC變換器 |
| 英文描述： | FPA Evaluation Board |
| 中文描述： | 焦平面評(píng)估板 |
| 文件頁數(shù)： | 2/4頁 |
| 文件大?。?/td> | 268K |
| 代理商： | F48P24A-V12-19 |
Vicor Corporation Tel: 800-735-6200 vicorpower.com
VI Chip Evaluation Board
Rev. 1.1
Page 2 - 4
Specifications
B1
B2
B3
Figure 2
— EVAL Board Layout — Top side
3.0 Hook Up
An external power supply (1.1) should be used to provide power.
3.1 Connect Positive input lead to Eval Board +IN and
external supply +Out.
3.2 Connect Negative input lead to Eval Board -IN and
external supply -Out.
An external load (1.2) should be connected to the output
terminals with leads and lugs having adequate current capacity.
3.4 Connect Positive output lead to Eval Board +OUT
and external load +In.
3.5 Connect Negative output lead to Eval Board -OUT
and external load -In.
!! As the output current of the Eval Board can achieve
100 Amperes, connections must be tight and properly sized
in order to minimize losses due to contact resistance !!
4.0 Verify Connections
5.0 Test Sequence
5.1 Assure DC supply is set to 0 Vdc prior to turning unit on
and set supply current to 8 Aminimum.
5.2 Turn on DC supply.
5.3 Make sure DC load is set to 0 Aprior to turning onload.
5.4 Turn on DC load.
5.5 Connect DMM or scope probe to the test points
provided to monitor output voltage (Vout). Vf View and
Vo View (J1 and J2) are provided to make accurate
measurements of the Factorized Bus (Vf) andVout.
Various types of scope probes may be directly connected
to these points if the probe is equipped with a removable
plastic sheath. Be careful to avoid creating ground loops
when making measurements of Vf and Vin.
It is recommended that these measurements be made
separately since shorting –IN to –OUT of the PRM disables
current limit.
5.6 Turn-on fan (Use of an external fan is recommended.)
5.7 Slowly raise the DC input voltage to 48 Vdc (Output
voltage should be present at 36 Vdc input).
5.8 Verify no load operation by raising and lowering the input
voltage through the entire 36 – 75 Vdc range. Output
voltage should remain constant.
5.9 Re-establish 48 Vdc input.
5.10 Slowly increase the load current to full load while
monitoring the output voltage. The output voltage should
remain within the limits specified in the appropriate PRM
/ VTM data sheets.
5.11 Return the load current to 0 Aand decrease the input
voltage to 36 Vdc.
5.12 Repeat step 5.10 – depending upon the external supply
source and the source impedance it may be necessary to
adjust the supply’s voltage to keep the input voltage to the
PRM at 36Vdc.
5.13 Return the load current to 0 Aand increase the input
voltage to 75 Vdc.
5.14 Repeat step 5.10
FPA board output voltage
F
48
P24A
—
V12
—
19
Factorized
Power
Eval Board
Input voltage
designator for
PRM
Factory installed PRM
output power ÷10 (e.g. 240W)
Adaptive Loop
max output current available from
PRM / VTM Chip Set
Part Numbering
PRELIMINARY
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