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參數(shù)資料
| 型號(hào)： | PTEA415050N2AD |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源模塊 |
| 英文描述： | DC-DC REG PWR SUPPLY MODULE |
| 封裝： | LEAD FREE, PLASTIC, MODULE-8 |
| 文件頁(yè)數(shù)： | 2/14頁(yè) |
| 文件大?。?/td> | 360K |
| 代理商： | PTEA415050N2AD |
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R1 +
5.11 V
O (100 ) D%)
1.225 D%
*
511
D%
* 10.22 (kW)
(R2) + 5.11
100
D%
* 10.22
(kW)
I
O(max) +
V
O
I
O(rated)
V
A
1
3
2
4
8
6
5
7
Sense(+)
Adjust
–V
O
Remote
On/Off
PTEA415050N
Sense(–)
+V
I
–V
I
+V
O
Sense(+)
(R1)
Adjust
Up
+
–V
I
+V
I
L
O
A
D
+V
O
Sense(–)
–V
O
(R2)
Adjust
Down
UDG-10014
SLTS291A – JULY 2008 – REVISED FEBRUARY 2010
www.ti.com
Adjusting the Output Voltage of the PTEA415050 Isolated DC/DC Converter
The output voltage adjustment of the PTEA415050 isolated DC/DC converter follows the standard adopted by
popular 1/8-brick DC/DC converters. Adjustment is accomplished with a single external resistor that can adjust
the output voltage from –20% to +10% of the nominal set-point voltage. The placement of the resistor determines
the direction of adjustment, up or down, and the value of the magnitude of adjustment. To ensure good VO
set-point accuracy, a 1% maximum tolerance resistor is recommended.
Adjust Up: To increase the output voltage add a resistor, R1, between VO Adjust (pin 6) and Sense(+) (pin 7).
Adjust Down: Add a resistor, (R2), between VO Adjust (pin 6) and Sense(–) (pin 5).
Refer to Figure 7 for the placement of the required resistor, R1 or (R2).
The values of R1 [adjust up], and (R2) [adjust down], can be calculated using the following formulas.
(1)
(2)
Where:
Δ% = Amount of adjustment in %
VO = Original set-point voltage
Notes:
1. Use a 1% resistor for either the R1 or (R2). Place the resistor as close to the converter as possible.
2. If VO is increased, the maximum load current must be derated according to the following equation.
where
VO is the original set-point voltage
VA is the adjusted output voltage (measured between pin 8 and pin 4)
(3)
In any instance, the load current must not exceed the converter's maximum rated output current of 15 A.
3. The overvoltage threshold is fixed, and is set approximately 20% above the nominal output voltage. Adjusting
the output voltage higher reduces the voltage margin between the adjusted output voltage and the
overvoltage (OV) protection threshold. This could make the module sensitive to OV fault detection, as a
result of random noise and load transients.
Figure 7.
10
Copyright 2008–2010, Texas Instruments Incorporated
Product Folder Link(s): PTEA415050
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| PTEA415050P2AD | 功能描述:DC/DC轉(zhuǎn)換器 15A,48V In,5V Out Iso,DC/DC Converter RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| PTEA420025 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:20-A, 48-V INPUT, ISOLATED, 1/8th BRICK DC-DC CONVERTER |
| PTEA420025N2AD | 功能描述:DC/DC轉(zhuǎn)換器 20A 48Vin Iso 1/8th Brick DC/DC Cnvrtr RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| PTEA420025P2AD | 功能描述:DC/DC轉(zhuǎn)換器 20A 48V Inp Iso 1/8 Brick DC/DC Cnvrtr RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| PTEA420033N2AD | 功能描述:DC/DC轉(zhuǎn)換器 20-A 48V Input Iso 1/8th Brick RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
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