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參數資料
| 型號： | TPS55383PWPRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 7 A DUAL SWITCHING CONTROLLER, 300 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | PLASTIC, HTSSOP-26 |
| 文件頁數： | 18/45頁 |
| 文件大?。?/td> | 1318K |
| 代理商： | TPS55383PWPRG4 |
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T
Time
-
Output1
Output2
PVDD1
PVDD2
Multiphase Operation
www.ti.com ......................................................................................................................................................................................... SLUS818 – SEPTEMBER 2008
Figure 28. Waveforms Resulting from Cascading PVDD1 from Output 2
In this configuration, the following conditions must be maintained:
1. Output 2 must be of a voltage high enough to maintain regulation of Output 1 under all load conditions.
2. The sum of the current drawn by Output 2 load plus the current into PVDD1 must be less than the overload
protection current level of Output 2.
3. The method of output sequencing must be such that the voltage on Output 2 is sufficient to support Output 1
before Output 1 is enabled. This requrement may be accomplished by:
a.
a delay of the enable function
b.
selecting sequential sequencing of Output 1 starting after Output 2 is in regulation
The TPS5538x may be configured to operate as a two-channel multiphase converter capable of delivering up to
6 A. Figure 29 indicates the recommended pin connections. In this configuration, FB2 must be tied to BP for the
maximum current configuration and the two output filter inductors must be the same value. Calculate RCOMP and
CCOMP as outlined for a single channel output, then use one-half the RCOMP value and two times the CCOMP value
as the compensation components. Contact the factory for further support.
Copyright 2008, Texas Instruments Incorporated
25
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| TPS55386EVM-363 | 功能描述:電源管理IC開發工具 TPS55386EVM-363 Eval Mod RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| TPS55386PWP | 功能描述:直流/直流開關調節器 3A Dual Non-Synch Buck Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS55386PWPG4 | 功能描述:直流/直流開關調節器 3A,Dual Non-Synch Buck Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS55386PWPR | 功能描述:直流/直流開關調節器 3A Dual Non-Synch Buck Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS55386PWPRG4 | 功能描述:直流/直流開關調節器 3A,Dual Non-Synch Buck Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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