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參數(shù)資料
| 型號： | TPS54310EVM |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 3-Amp Externally Compensated SWIFT Regulator Evaulation Module(3A外部補償SWIFT穩(wěn)壓器TPS54310的評估模塊) |
| 中文描述： | 3安培外部補償?shù)腟WIFT穩(wěn)壓Evaulation模塊（3A條外部補償?shù)腟WIFT穩(wěn)壓器TPS54310的評估模塊） |
| 文件頁數(shù)： | 15/32頁 |
| 文件大?。?/td> | 182K |
| 代理商： | TPS54310EVM |
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Loop Characterization Setup
2-3
Test Setup and Results
2.2
Loop Characterization Setup
The TPS54310 EVM contains a 49.9
resistor (R7) in the feedback path for
use in measuring the loop response. Test points on either side of R7 (TP5 and
TP7) provide connection points for network analyzer signals. By injecting a
small ac signal across R7, the loop gain and phase can be measured from one
side of R7 to the other. Because the value of R7 is small in relation to the value
of R5, it does not significantly affect the output voltage set point of the
regulator.
2.3
Efficiency
The TPS54310 EVM efficiency peaks at around 1 A of load current. At full load
this drops to around 90.5%. Figure 2
–
2 shows the typical efficiency for a 5-V
input and an ambient temperature of 25
°
C. The efficiency is lower at higher
ambient temperatures due to temperature variation in the drain-to-source
resistance of the MOSFETs. The efficiency is also slightly higher at lower
switching frequencies due to the gate and switching losses in the MOSFETs.
The total board losses are shown in Figure 2
–
3.
Figure 2
–
2.Measured Efficiency
IL
–
Load Current
–
A
80
82
84
86
88
90
92
94
96
0
0.5
1
1.5
2
2.5
3
E
–
TA = 25
°
C
VI = 5 V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS54310EVM | 制造商:Texas Instruments 功能描述:EVAL BOARD, TPS54310 ADJ 3A STEP-DOWN RE |
| TPS54310MPWPREP | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Enh 3 To 5V Inp 3A Out Synch Buck PWM 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(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS54310PWP | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 3A 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(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS54310PWP | 制造商:Texas Instruments 功能描述:BUCK PWM REG FET 3A SMD 54310 |
| TPS54310PWPG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 3A 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(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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