參數(shù)資料
型號(hào)： PTH05T210WAZ
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： ROHS COMPLIANT, PLASTIC, DIP-14
文件頁(yè)數(shù)： 30/31頁(yè)
文件大?。?/td> 1135K
代理商： PTH05T210WAZ
APPLICATION INFORMATION
ADJUSTING THE OUTPUT VOLTAGE
R
SET +
30.1 kW
0.7
V
O *
0.7
* 6.49 kW
(1)
5
9
3
4
7
8
10
11
GND
12
GND
+Sense
VO
Sense
VOAdj
Sense
RSET
1%
0.05 W
CO
PTH05T210W
SLTS263I – AUGUST 2007 – REVISED MARCH 2009 ...................................................................................................................................................... www.ti.com
The VO Adjust control (pin 12) sets the output voltage of the PTH05T210W. The adjustment range of the
PTH05T210W 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 1 gives the standard 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 2. Figure 6 shows the placement of the required
resistor.
Table 1. Standard Values of RSET for Standard Output Voltages
VO (Standard) (V)
RSET (Standard 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 6. VO Adjust Resistor Placement
8
Copyright 2007–2009, Texas Instruments Incorporated
Product Folder Link(s): PTH05T210W
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PTH05T210WAZT 功能描述:DC/DC轉(zhuǎn)換器 30A 4.5-5.5V-Input/ 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:
PTH08000W 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.25-A, WIDE INPUT, ADJUSTABLE SWITCHING REGULATOR
PTH08000WAH 功能描述:DC/DC轉(zhuǎn)換器 2.25A 5/12V Input WideAdj Module 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:
PTH08000WAH 制造商:Texas Instruments 功能描述:MODULE PIP .9-5.5V 2.25A HORZ TH 制造商:Texas Instruments 功能描述:MODULE PIP .9-5.5V 2.25A HORZ TH; Primary Input Voltage:14V; No. of Outputs:1; Output Voltage:5.5V; Output Current:2.25A; Voltage Regulator Case Style:Thru Hole Module; No. of Pins:6; Operating Temperature Min:-40C; Operating ;RoHS Compliant: Yes
PTH08000WAS 功能描述:DC/DC轉(zhuǎn)換器 2.25A 5/12V Input WideAdj Module 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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