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參數(shù)資料
型號: TPS65170RHDT
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 4.2 A SWITCHING REGULATOR, 900 kHz SWITCHING FREQ-MAX, PQCC28
封裝: 5 X 5 MM, GREEN, PLASTIC, QFN-28
文件頁數(shù): 3/35頁
文件大?。?/td> 4698K
代理商: TPS65170RHDT
www.ti.com
SLVSA27 – OCTOBER 2009
DETAILED DESCRIPTION
Figure 22. Internal Block Diagram
BOOST CONVERTER
The non-synchronous boost converter uses a current mode topology and operates at a fixed frequency of
750kHz. The internal block diagram of the boost converter is shown in Figure 23 and a typical application circuit
in Figure 24. External compensation allows designers to optimize performance for individual applications, and is
easily implemented by connecting a suitable capacitor/resistor network between the COMP pin and AGND (see
the BOOST CONVERTER DESIGN PROCEDURE section for more details). The boost converter also controls a
GD pin that can be used to drive an external isolation MOSFET.
The boost converter can operate in either continuous conduction mode (CCM) or discontinuous conduction mode
(DCM), depending on the load current. At medium and high load currents, the inductor current is always greater
Copyright 2009, Texas Instruments Incorporated
11
Product Folder Link(s) :TPS65170
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相關代理商/技術參數(shù)
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TPS65171RHAR 功能描述:LCD 驅(qū)動器 Compact LCD Bias RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
TPS65175ARSHR 制造商:Texas Instruments 功能描述:LCD BIAS CHIP AND LEVEL SHIFTE 制造商:Texas Instruments 功能描述:IC BIAS PWR SUPP FOR LCD 56VQFN 制造商:Texas Instruments 功能描述:Fully Programmable LCD Bias IC
TPS65175CRSHR 功能描述:LCD TV/Monitor PMIC 56-VQFN (7x7) 制造商:texas instruments 系列:- 包裝:剪切帶(CT) 零件狀態(tài):有效 應用:LCD 電視機/監(jiān)控器 電流 - 電源:- 電壓 - 電源:8.6 V ~ 14.7 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:56-VFQFN 裸露焊盤 供應商器件封裝:56-VQFN(7x7) 標準包裝:1
TPS65175RSHR 功能描述:LCD 驅(qū)動器 Fully Programmable LCD Bias IC RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
TPS65176RHDR 功能描述:其他電源管理 LCD BIAS IC FOR TV RoHS:否 制造商:Texas Instruments 輸出電壓范圍: 輸出電流:4 mA 輸入電壓范圍:3 V to 3.6 V 輸入電流: 功率耗散: 工作溫度范圍:- 40 C to + 110 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-48 封裝:Reel
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