參數(shù)資料
型號(hào): TPS5211PWP
廠商: Texas Instruments, Inc.
英文描述: HIGH FREQUENCY PROGRAMMABLE HYSTERETIC REGULATOR CONTROLLER
中文描述: 可編程滯高頻穩(wěn)壓控制器
文件頁(yè)數(shù): 27/32頁(yè)
文件大小: 469K
代理商: TPS5211PWP
TPS5211
HIGH FREQUENCY PROGRAMMABLE HYSTERETIC
REGULATOR CONTROLLER
SLVS243 – SEPTEMBER 1999
27
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
application examples
Below are waveforms and test results measured on the EVM for a 12-V input and a 2-V, 20-A output application.
The output voltage ripple and power switches midpoints are shown in Figure 24. The converter operates at 450
kHz. The peak to peak output ripple is 9.6 mV, while the hysteresis window is set at 20 mV. Therefore, the output
ripple for converter with TPS5211 is much lower than the hysteresis window.
Output Voltage
Ripple (20 mV/div)
Low FET
Drain-Source
Voltage (5 V/div)
Figure 24. The Output Voltage Ripple ans Low FET Drain-Source Voltage Waveforms
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