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參數資料
型號: TPS40077PWPR
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩壓器
英文描述: 2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16
封裝: GREEN, PLASTIC, HTSSOP-16
文件頁數: 13/43頁
文件大小: 847K
代理商: TPS40077PWPR
6
SS
S0204-01
Shutdown
TPS40077
6
4
SS
ToSystemPowerGood
PGD
S0205-01
TPS40077
BOOST AND LVBP BYPASS CAPACITANCE
SLUS714D – JANUARY 2007 – REVISED APRIL 2009 ..................................................................................................................................................... www.ti.com
Figure 26. TPS40077 Shutdown
In a similar manner, power supplies based on the TPS40077 can be sequenced by connecting the PGD pin of
the first supply to come up to the SS pin of the second supply as shown in Figure 27.
Figure 27. TPS40077 Sequencing
The BOOST capacitance provides a local, low-impedance flying source for the high-side driver. The BOOST
capacitor should be a good-quality, high-frequency capacitor. A capacitor with a minimum value of 100-nF is
suggested.
The LVBP pin must provide energy for both the synchronous MOSFET and the high-side MOSFET (via the
BOOST capacitor). The suggested value for this capacitor is 1-
F ceramic, minimum.
20
Copyright 2007–2009, Texas Instruments Incorporated
Product Folder Link(s) :TPS40077
相關PDF資料
PDF描述
TPS40077PWPRG4 2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16
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相關代理商/技術參數
參數描述
TPS40077PWPRG4 功能描述:DC/DC 開關控制器 Hi Eff Mid-Range Inp Synch Buck Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
TPS40090 制造商:TI 制造商全稱:Texas Instruments 功能描述:HIGH FREQUENCY MULTIPHASE CONTROLLER
TPS40090EVM-001 功能描述:電源管理IC開發工具 TPS40090-001 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
TPS40090EVM-002 功能描述:電源管理IC開發工具 TPS40090-002 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
TPS40090PW 功能描述:DC/DC 開關控制器 4 Ch Multiphase Buck DC/DC Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
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