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參數(shù)資料
| 型號： | PTH05050WAH |
| 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 PACKAGE-6 |
| 文件頁數(shù)： | 21/24頁 |
| 文件大?。?/td> | 1147K |
| 代理商： | PTH05050WAH |
APPLICATION INFORMATION
ADJUSTING THE OUTPUT VOLTAGE
Rset + 10 kW
0.8 V
Vout * 0.8 V
*2.49 kW
(1)
VIN
CIN
100
F
(Required)
+
COUT
100
F
(Optional)
+
GND
VOUT
RSET
1 %
0.1 W
PTH05050W
1
6
3
4
2
Track
V IN
VO
GND
Inhibit
5
SLTS213E – MAY 2003 – REVISED MARCH 2009............................................................................................................................................................ www.ti.com
The Vo Adjust control (pin 5) sets the output voltage to value higher than 0.8 V. The adjustment range of the
PTH05050W is from 0.8 V to 3.6 V. 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 the following formula,
or simply selected from the range of values given in Table 2. Figure 5 shows the placement of the required
resistor.
Table 1. Values of RSET for Standard Output Voltages
VO (Standard) (V)
RSET (Standard Value) (k)
VO (Actual) (V)
3.3
0.698
3.309
2.5
2.21
2.502
2
4.12
2.010
1.8
5.49
1.803
1.5
8.87
1.504
1.2
17.4
1.202
1
36.5
1.005
0.8
Open
0.8
Figure 5. VO Adjust Resistor Placement
NOTES:
1. A 0.05-W resistor may be used. 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 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 will
affect the stability of the regulator.
6
Copyright 2003–2009, Texas Instruments Incorporated
Product Folder Link(s) :PTH05050W
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參數(shù)描述 |
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| PTH05050WAH | 制造商:POWER TRENDS 功能描述:IC DC/DC 5VIN 6A ADJ O/P 5050 |
| PTH05050WAHT | 制造商:ARTESYN 制造商全稱:Artesyn Technologies 功能描述:DC-DC CONVERTERS POLA Non-isolated |
| PTH05050WAS | 功能描述:DC/DC轉(zhuǎn)換器 21.6W 0.8V-3.6V 6A 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）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸: |
| PTH05050WAST | 功能描述:DC/DC轉(zhuǎn)換器 6A 5V-In Wide Adj Module w/Auto-Trk 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）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸: |
| PTH05050WAZ | 功能描述:DC/DC轉(zhuǎn)換器 6A 5V-In Wide Adj Module w/Auto-Trk 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）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸: |
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