參數(shù)資料
型號: V24B28E250S3
元件分類: 電源模塊
英文描述: 1-OUTPUT 250 W DC-DC REG PWR SUPPLY MODULE
封裝: MODULE-9
文件頁數(shù): 13/13頁
文件大?。?/td> 582K
代理商: V24B28E250S3
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
24V Mini Family
Rev. 3.6
Page 9 of 13
Set your site on VICOR at vicorpower.com
Output Voltage Programming
The output voltage of the converter can be adjusted or
programmed via fixed resistors, potentiometers or voltage
DACs. See Figures 7 and 8.
Figure 8 — Output voltage trim up circuit.
Figure 7 — Output voltage trim down circuit.
RD (ohms) =
1,000 Vout
Vnom - Vout
RU
Trim Up
Load
+Out
+S
SC
–S
–Out
Error
Amp
1k
Ω
1.23V
0.033
μF
RD
Trim Down
Load
+Out
+S
SC
–S
–Out
Error
Amp
1k
Ω
1.23V
0.033
μF
Trim Down
1. This converter is not a constant power device – it has a
constant current limit. Hence, available output power is
reduced by the same percentage that output voltage is
trimmed down. Do not exceed maximum rated output current.
2. The trim down resistor must be connected to the –Sense pin.
Trim Up
1. The converter is rated for a maximum delivered power. To
ensure that maximum rated power is not exceeded, reduce
maximum output current by the same percentage increase in
output voltage.
2. The trim up resistor must be connected to the +Sense pin.
3. Do not trim the converter above maximum trim range
(typically +10%) or the output over voltage protection
circuitry may be activated.
RU (ohms) =
1,000 (Vout-1.23) Vnom
–1,000
1.23 (Vout-Vnom)
CONTROL FUNCTIONS - SC PIN
Trim resistor values calculated automatically:
On-line calculators for trim resistor values are available
on the vicor website at: vicorpower.com/tools.
Resistor values can be calculated for fixed trim up,
fixed trim down and for variable trim up or down.
In addition to trimming information, the web site and
the Applications Manual also include design tips,
applications circuits, EMC suggestions, thermal design
guidelines and PDF data sheets for all available Vicor
products.
相關(guān)PDF資料
PDF描述
V24B28M150N2 1-OUTPUT 150 W DC-DC REG PWR SUPPLY MODULE
V24B36E150G3 1-OUTPUT 150 W DC-DC REG PWR SUPPLY MODULE
V24B36E2003 1-OUTPUT 200 W DC-DC REG PWR SUPPLY MODULE
V24B36M150L2 1-OUTPUT 150 W DC-DC REG PWR SUPPLY MODULE
V24B36M200G2 1-OUTPUT 200 W DC-DC REG PWR SUPPLY MODULE
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