參數(shù)資料
型號： TPS54880EVM
廠商： Texas Instruments, Inc.
英文描述： 8-Amp SWIFT Regulator Evaulation Module(8A SWIFT穩(wěn)壓器TPS54880的評估模塊)
中文描述： 8安培的SWIFT穩(wěn)壓Evaulation模塊（8A條SWIFT的穩(wěn)壓器TPS54880的評估模塊）
文件頁數(shù)： 17/44頁
文件大?。?/td> 1180K
代理商： TPS54880EVM
Modifications
1-7
Introduction
1.4
Modifications
The TPS54x80EVM-228 evaluation module is designed to demonstrate the
small size using ceramic capacitors that can be attained when designing with
the TPS54x80. Meanwhile, the solution is not limited only to these particular
output voltages and switching frequency. The following paragraphs describe
what kind of modifications can be done to meet different application
requirements.
1.4.1
Output Voltage
The 1.8-V core and 3.3-V I/O output voltage is selected for this EVM. The
output voltage of the TPS54x80 and TPS54X10 regulators can be adjusted to
any value down to 0.9 V by changing resistor R20 (for the TPS54x80) or R19
(for the TPS54x10). The location of these resistors in the schematic is shown
in Figure 4-1. The value of these resistors for a specific output voltage can be
calculated by using equation 4. Table 1-4 lists the value of resistor R19 (or
R20) for some common bus voltages.
R19, 20
10 k
0.891 V
VO
0.891 V
Table 1-4.
Output Voltage Programming
Output Voltage, (V)
R19 or R20, (k
)
1000
0.9
1.2
28.7
1.5
14.7
1.8
9.76
2.5
5.49
3.3
3.74
1.4.2
Switching Frequency
The switching frequency of TPS54x80 and TPS54x10 regulators may be
trimmed to any value between 280 kHz and 700 kHz by changing the value of
resistors R9 (for TPS54x80) or R8 (for TPS54x10). The location of these
resistors in the schematic is shown in Figure 4-1. Increasing the switching
frequency reduces the output ripple. It is not recommended to decrease the
switching frequency for the selected output filter in this EVM below 600 kHz.
The nominal switching frequencies in SLVP228 EVM are set about 20% apart
for each channel to synchronize the I/O regulator to the higher switching
frequency of the core regulator. If there is no need to synchronize channels,
and synchronization circuit parts are left open, then it is recommended to use
71.5 k
value resistor for R8, the same value as R9. A plot of the value of
resistors R8 (or R9) versus the switching frequency is given in Figure 1-2.
(4)
相關(guān)PDF資料
PDF描述
TPS54980EVM-022 9-Amp SWIFT Regulator Evaulation Module(9A SWIFT穩(wěn)壓器TPS54980的評估模塊)
TPS5602DBT DUAL, FAST, HIGH EFFICIENCY CONTROLLER FOR DSP POWER
TPS5904(中文) Opto-Isolated Feedback AMP(光電隔離反饋放大器,包括TL431和光電隔離耦合器)
TPS5910(中文) Opto-Isolated Feedback AMP(光隔離反饋放大器,包含TLV431可編程基準和光耦合器)
TPS5908(中文) Opto-Isolated Feedback AMP(光隔離反饋放大器,包含TLV431可編程基準和光耦合器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS54880PWP 功能描述:直流/直流開關(guān)調(diào)節(jié)器 5V Inp 8A Sync Buck Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54880PWPG4 功能描述:直流/直流開關(guān)調(diào)節(jié)器 5V Inp 8A Sync Buck Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54880PWPR 功能描述:直流/直流開關(guān)調(diào)節(jié)器 5V Inp 8A Sync Buck Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54880PWPRG4 功能描述:直流/直流開關(guān)調(diào)節(jié)器 5V Inp 8A Sync Buck Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS548A20EVM-737 功能描述:EVALUATION MODULE 制造商:texas instruments 系列:* 零件狀態(tài):在售 標準包裝:1
發(fā)布緊急采購，3分鐘左右您將得到回復。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*