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參數(shù)資料
| 型號(hào)： | PTN04050CAH |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類(lèi)： | 電源模塊 |
| 英文描述： | 1-OUTPUT 12 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT PACKAGE-4 |
| 文件頁(yè)數(shù)： | 17/19頁(yè) |
| 文件大?。?/td> | 640K |
| 代理商： | PTN04050CAH |
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R
=15k
SET
W
2V
V
-5V
O
-2.94kW
GND
RSET
0.01W
1%
PTN04050C
1
3
4
2
Adj
GND
VO
VI
VO
C
O
100 F
(Required)
m
C
10
I
0 F
(Required)
m
SLTS251A
– SEPTEMBER 2005 – REVISED FEBRUARY 2011
APPLICATION INFORMATION
Adjusting the Output Voltage of the PTN04050C Wide-Output Adjust Power Modules
General
A resistor must be connected between the VO Adjust control (pin 3) and GND (pin 1) to set the output voltage of
the PTN04050C product. The adjustment range is from 5 V to 15 V. If pin 3 is left open, the output voltage
defaults to the lowest value.
Table 1 gives the standard resistor value for several common voltages, along with the actual output voltage that
the value provides. For other output voltages, the value of the required resistor can be calculated using
Equation 1. Alternatively, RSET can be simply selected from the range of values given in Table 2. Figure 14
shows the placement of the required resistor.
(1)
Table 1. Standard Values of RSET for Common Output
Voltages
VO
RSET
VO
(Required)
(Standard Value)
(Actual)
5.0 V
Open
5.00 V
9.0 V
4.53 k
9.01 V
12.0 V
1.33 k
12.03 V
15.0 V
60.4
14.99 V
(1)
A 0.05-W rated resistor may 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 3 and 1
using dedicated PCB traces.
(2)
Never connect capacitors from VO Adjust to GND or VO
. Any capacitance added to the VO Adjust pin
affects the stability of the regulator.
Figure 14. PTN04050C VO Adjust Resistor Placement
2005–2011, Texas Instruments Incorporated
7
Product Folder Link(s): PTN04050C
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| PTN04050CAH | 制造商:Texas Instruments 功能描述:DC-DC CONV NON ISO POL 1 O/P 12W 5V 制造商:Texas Instruments 功能描述:DC-DC CONV, NON ISO POL, 1 O/P, 12W, 5V |
| PTN04050CAS | 功能描述:DC/DC轉(zhuǎn)換器 12W 3.3/5V In Wide Adj Out Boost Cnvtr 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(chēng)）: 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: |
| PTN04050CAST | 功能描述:DC/DC轉(zhuǎn)換器 12W 3.3/5V In Wide Adj Out Boost Cnvtr 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(chēng)）: 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: |
| PTN04050CAZ | 功能描述:DC/DC轉(zhuǎn)換器 12W 3.3/5V In Wide Adj Out Boost Cnvtr 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(chēng)）: 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: |
| PTN04050CAZT | 功能描述:DC/DC轉(zhuǎn)換器 12W 3.3/5V In Wide Adj Out Boost Cnvtr 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(chēng)）: 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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