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參數(shù)資料
| 型號： | PTH12050WAD |
| 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, DIP-6 |
| 文件頁數(shù)： | 25/26頁 |
| 文件大?。?/td> | 1233K |
| 代理商： | PTH12050WAD |
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APPLICATION INFORMATION
ADJUSTING THE OUTPUT VOLTAGE
VI
VO
GND
PTH12050
1
6
3
4
2
Track
VI
VO
GND
Inhibit
Adjust
* Requiredwithoutputvoltages
3.3V
>
5
C1
100 F
(Required)
m
C2*
10 F
Ceramic
m
R
,
1%
SET
C3
100 F
(Optional)
m
SLTS214H – MAY 2003 – REVISED OCTOBER 2007
The VOAdjust control (pin 5) sets the output voltage of the PTH12050 product. The adjustment range is from
1.2 V to 5.5 V for the W-suffix modules and 0.8 V to 1.8 V for L-suffix modules. The adjustment method requires
the addition of a single external resistor, RSET, that must be connected directly between the VOAdjust 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 Equation 1, or simply selected from the range of values given in
Table 3.Figure 10 shows the placement of the required resistor.
Table 1. Standard Values of RSET for Standard Output Voltages
PTH12050W
PTH12050L
VO
RSET (k)
(Required) (V)
(Actual) (V)
5
0.280
5.009
N/A
3.3
2.0
3.294
N/A
2.5
4.32
2.503
N/A
2
8.06
2.010
N/A
1.8
11.5
1.801
0.130
1.800
1.5
24.3
1.506
3.57
1.499
1.2
Open
1.200
12.1
1.201
1.1
N/A
18.7
1.101
1.0
N/A
32.4
0.999
0.9
N/A
71.5
0.901
0.8
N/A
Open
0.800
(1)
A 0.05-W rated resistor can be used. The tolerance should be 1%, with a temperature stability of 100 ppm/
°C or
better. Place the resistor as close to the regulator as possible. Connect the resistor directly between pins 5 and 1
using dedicated PCB traces.
(2)
Never connect capacitors from VOAdjust to either GND or VO. Any capacitance added to the VOAdjust pin affects the
stability of the regulator.
Figure 10. VOAdjust Resistor Placement
8
Copyright 2003–2007, Texas Instruments Incorporated
Product Folder Link(s): PTH12050W/L
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PTH12050WADT | 制造商:ARTESYN 制造商全稱:Artesyn Technologies 功能描述:DC-DC CONVERTERS POLA Non-isolated |
| PTH12050WAG | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| PTH12050WAH | 功能描述:DC/DC轉(zhuǎn)換器 1.2 to 5.5V 6A 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: |
| PTH12050WAH | 制造商:POWER TRENDS 功能描述:IC DC/DC 12VIN 6A ADJ O/P 12050 |
| PTH12050WAHT | 制造商:ARTESYN 制造商全稱:Artesyn Technologies 功能描述:DC-DC CONVERTERS POLA Non-isolated |
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