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參數(shù)資料
| 型號(hào)： | PTEA415050P2AD |
| 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 |
| 文件頁數(shù)： | 9/14頁 |
| 文件大?。?/td> | 360K |
| 代理商： | PTEA415050P2AD |
Sense(+)
+VO
Adjust
Sense()
VO
PTEA415050
(Top View)
+VI
On/Off
1
2
3
VI
5
6
7
4
8
SLTS291A – JULY 2008 – REVISED FEBRUARY 2010
www.ti.com
PIN DESCRIPTIONS
+VI: The positive input for the module with respect to –VI. When powering the module from a –48-V telecom
central office supply, this input is connected to the primary system ground.
–VI: The negative input supply for the module, and the 0 VDC reference for the Remote On/Off input. When
powering the module from a +48-V supply, this input is connected to the 48-V return.
Remote On/Off: This input controls the On/Off status of the output voltage. It is either driven low (–VI potential),
or left open-circuit. For units identified with the NEN option, applying a logic low to this pin will enable the output.
And for units identified with the PEN option, the output will be disabled.
VO Adjust: Allows the output voltage to be trimmed by up or down between +10% and –20% of its nominal
value. The adjustment method uses a single external resistor. Connecting the resistor between VO Adjust and
–VO adjusts the output voltage lower, and placing it between VO Adjust and +VO adjusts the output higher. The
calculations for the resistance value follows industry standard formulas. For further information consult the
application note on output voltage adustment.
+VO: The positive power output with respect to –VO, which is DC isolated from the input supply pins. If a negative
output voltage is desired, +VO should be connected to the secondary circuit common and the output taken from
–VO.
–VO: The negative power output with respect to +VO, which is DC isolated from the input supply pins. This output
is normally connected to the secondary circuit common when a positive output voltage is desired.
Sense(+): Provides the converter with an output sense capability to regulate the set-point voltage directly at the
load. When used with Sense(-), the regulation circuitry will compensate for voltage drop between the converter
and the load. The pin may be left open circuit, but connecting it to +VO will improve load regulation. If a series
inductor is used for filtering between the module output and load, this pin must be connected directly to the
module output to ensure good control design stability.
Sense(–): Provides the converter with an output sense capability when used in conjunction with Sense(+) input.
For optimum output voltage accuracy this pin should always be connected to –VO.
4
Copyright 2008–2010, Texas Instruments Incorporated
Product Folder Link(s): PTEA415050
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| 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: |
| PTEA420033P2AD | 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: |
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