參數(shù)資料
型號(hào)： PTH08T210WAS
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源模塊
英文描述： 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
封裝： DIP-14
文件頁(yè)數(shù)： 10/31頁(yè)
文件大?。?/td> 1235K
代理商： PTH08T210WAS
ADJUSTING THE OUTPUT VOLTAGE
R
SET +
30.1 kW
0.7
V
O *
0.7
* 6.49 kW
(2)
5
9
3
4
7
8
10
11
GND
12
GND
+Sense
VO
Sense
VOAdj
Sense
RSET
1%
0.05 W
CO
PTH08T210W
SLTS262I – OCTOBER 2005 – REVISED MARCH 2009 ................................................................................................................................................... www.ti.com
The VO Adjust control (pin 12) sets the output voltage of the PTH08T210W. The adjustment range of the
PTH08T210W is 0.7V to 3.6V. The adjustment method requires the addition of a single external resistor, RSET,
that must be connected directly between the Vo Adjust and GND pins. Table 5 gives the preferred value of the
external resistor for a number of standard voltages, along with the actual output voltage that this resistance value
provides.
For other output voltages, the value of the required resistor can either be calculated using the following formula,
or simply selected from the range of values given in Table 6. Figure 18 shows the placement of the required
resistor.
Table 5. Preferred Values of RSET for Standard Output Voltages
VO (Standard) (V)
RSET (Preferred Value) ()
VO (Actual) (V)
3.3
1.62 k
3.298
2.5
5.23 k
2.498
2
9.76 k
1.997
1.8
12.7 k
1.798
1.5
19.6 k
1.508
1.2
35.7 k
1.199
1
63.4 k
1.001
0.7
Open
0.700
(1)
Use a 0.05 W resistor. The tolerance should be 1%, with temperature stability of 100 ppm/°C (or better). Place the
resistor as close to the regulator as possible. Connect the resistor directly between pins 12 and 8 using dedicated
PCB traces.
(2)
Never connect capacitors from VO Adjust to either GND or VO. Any capacitance added to the VO Adjust pin affects the
stability of the regulator.
Figure 18. VO Adjust Resistor Placement
18
Copyright 2005–2009, Texas Instruments Incorporated
Product Folder Link(s): PTH08T210W
相關(guān)PDF資料
PDF描述
PTH08T210WAD 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PTH08T210WAST 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PTH08T221WAZ 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PTH08T220WAH 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PTH08T221WAD 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PTH08T210WAST 功能描述:DC/DC轉(zhuǎn)換器 30A 5.5-14V-Inp Wide-Out Adj Pwr Mdl 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:
PTH08T210WAZ 功能描述:DC/DC轉(zhuǎn)換器 30A 5.5-14V-Inp Wide-Out Adj Pwr Mdl 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:
PTH08T210WAZT 功能描述:DC/DC轉(zhuǎn)換器 30A 5.5-14V-Inp Wide-Out Adj Pwr Mdl 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:
PTH08T212WAZ 制造商:Texas Instruments 功能描述:
PTH08T220W 制造商:TI 制造商全稱:Texas Instruments 功能描述:16-A, 4.5-V to 14-V INPUT, NON-ISOLATED, WIDE-OUTPUT, ADJUSTABLE POWER MODULE WITH TurboTrans
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