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參數(shù)資料
| 型號： | TPS40021EVM-001 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | High-Efficiency Synchronous Buck Converter with PWM Controller Evaluation Module(帶PWM控制器的高效率同步降壓轉(zhuǎn)換器TPS40021的評估模塊) |
| 中文描述： | 高效率同步降壓轉(zhuǎn)換器與PWM控制器評估模塊（帶脈寬調(diào)制控制器的高效率同步降壓轉(zhuǎn)換器TPS40021的評估模塊） |
| 文件頁數(shù)： | 7/13頁 |
| 文件大?。?/td> | 405K |
| 代理商： | TPS40021EVM-001 |
SLUU144A April 2003 Revised November 2003
7
TPS40021EVM001 High-Efficiency Synchronous Buck Converter with PWM Controller Evaluation Module
(HPA009)
3.2
Typical Operation Waveform
Typical operating waveforms are shown in Figure 4.
Figure 4. Switch Node Waveform
t Time 1
μ
s/div
VIN = 3.3 V
ILOAD = 20 A
VSW (2 V/div)
Figure 5. Output Ripple
t Time 1
μ
s/div
VOUTac (10 mV/div)
VIN = 3.3 V
ILOAD = 20 A
3.3
Transient Response and Output Ripple Voltage
The output ripple is about 15 mV
PP
at 20-A output which is shown in Figure 5. When the load
changes from 0 A to 13 A, the overshoot voltage is approximately 80 mV, and the undershoot is
is approximately 60 mV as shown in Figure 6. When the transient comparator is triggered, the
powergood (PG) signal goes low.
t Time 200
μ
s/div
VOUTac (100 mV/div)
IOUT (10 A/div)
VPG
(2.5 V/div)
Figure 6.
Transient Response
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| TPS40021MPWPEP | 功能描述:DC/DC 開關(guān)控制器 Enhanced Prod Synch Buck Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| TPS40021MPWPREP | 功能描述:DC/DC 開關(guān)控制器 Enhanced Prod Synch Buck Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| TPS40021PWP | 功能描述:DC/DC 開關(guān)控制器 Low Input Sync Buck Cntrlr source/sink RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| TPS40021PWPG4 | 功能描述:DC/DC 開關(guān)控制器 Low Input Sync Buck Cntrlr source/sink RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| TPS40021PWPR | 功能描述:DC/DC 開關(guān)控制器 Low Input Sync Buck Cntrlr source/sink RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
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