參數資料
型號: TPS54040DGQ
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 0.5 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO10
封裝: PLASTIC, MSOP-10
文件頁數: 13/47頁
文件大?。?/td> 2435K
代理商: TPS54040DGQ
Vout2 + deltaV
Vssoffset
R1 =
VREF
Iss
(7)
VREF
R1
R2 =
Vout2 + deltaV
VREF
-
(8)
deltaV = Vout1
Vout2
-
(9)
R1 > 2800
Vout1
180
deltaV
-
(10)
EN
VOUT1
VOUT2
EN
VOUT1
VOUT2
EN
VOUT1
VOUT2
SLVS918 – MARCH 2009................................................................................................................................................................................................... www.ti.com
DETAILED DESCRIPTION (continued)
Figure 36. Ratio-metric Startup with Tracking Resistors
Figure 37. Ratiometric Startup with Tracking Resistors
Figure 38. Simultaneous Startup With Tracking Resistor
20
Copyright 2009, Texas Instruments Incorporated
Product Folder Link(s): TPS54040
相關PDF資料
PDF描述
TPS54073PWPRG4 25 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO28
TPS54073PWPR 25 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO28
TPS54073PWP 25 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO28
TPS5410QDRQ1 SWITCHING REGULATOR, PDSO8
TPS54110PWP 3.5 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO20
相關代理商/技術參數
參數描述
TPS54040DGQ 制造商:Texas Instruments 功能描述:Power Management IC 制造商:Texas Instruments 功能描述:IC, STEP-DOWN CONVERTER, MSOP-10
TPS54040DGQR 功能描述:直流/直流開關轉換器 3.5V-42Vin,0.5A Step Down SWIFT Convrtr RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
TPS54040EVM-456 功能描述:電源管理IC開發(fā)工具 0.5A,12-42V In SWIFT Cnvrtr 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
TPS54040EVM-456 制造商:Texas Instruments 功能描述:EVALUATION MODULE FOR TPS54040 SWIFT(TM)
TPS54040-Q1 制造商:TI 制造商全稱:Texas Instruments 功能描述:0.5-A 42-V STEP-DOWN SWIFTa?¢ DC/DC CONVERTER WITH Eco-modea?¢